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What do humpback whales Megaptera novaeangliae (Cetartiodactyla: Balaenopteridae) pairs do after tagging?
Provedor de dados: 103
Autores: Andriolo,Artur; Zerbini,Alexandre N.; Moreira,Sergio; Pizzorno,José L.; Danilewicz,Daniel; Maia,Ygor G.; Mamede,Natália; Castro,Franciele R. de; Clapham,Phillip.
The social structure of humpback whales in their tropical wintering grounds is very fluid. To date, no information has been published for cases in which two whales were both satellite-tagged while in association. Here, we report the movements of four humpback whale pairs tagged together off the coast of Brazil. Fieldwork and satellite tagging of humpback whales was conducted between 2003 and 2008 along the eastern coast of Brazil, between 20°S and 8°S. Movement was monitored while whales were still in their breeding ground. A switching state space model was applied to the filtered data of each humpback whale to standardize telemetry data and allow direct comparison of each individual track. GIS was used to plot model-predicted locations and to visually...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cetacean; Large whale; Satellite telemetry; Social behavior; SSSM.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000200001

A new species of Masteria (Araneae: Dipluridae: Masteriinae) from southeastern Brazil
Provedor de dados: 103
Autores: Pedroso,Denis Rafael; Baptista,Renner Luiz Cerqueira; Bertani,Rogério.
A new species of Masteria L. Koch, 1873 from iron ore caves at Caeté and Santa Bárbara, state of Minas Gerais, Brazil, Masteria emboaba sp. nov., is described. It was collected inside caves and in the litter of nearby dry forests. It is the first masteriine species described from southeastern Brazil and the second masteriine species for the country. The new species is the only known Masteria with only two eyes. Additionally, the male of M. emboaba sp. nov. has only two regular, thin spines at the apex of tibia I, lacking the tibial apophysis found in most other Masteria species. The only other described Masteria species that has spines in the place of tibial apophysis is M. aimeae (Alayón, 1995) from Cuba; however, the last species has a longer and sinuous...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Iron ore; Lateritic cave; Minas Gerais; Mygalomorphae; Serra da Gandarela.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100059

Seasonal variability of planktonic copepods (Copepoda: Crustacea) in a tropical estuarine region in Brazil
Provedor de dados: 103
Autores: Dias,Cristina de Oliveira; Araujo,Adriana Valente de; Bonecker,Sérgio Luiz Costa.
The Caravelas River estuary and adjacent coastal region were studied during the rainy and dry seasons of 2003-2004 to assess the copepod community structure. Abiotic and biotic parameters were measured, and the total density, frequency and percentage of copepod taxa were determined for each sampling period. Copepod densities showed significant differences between sampling periods, with higher densities in the rainy seasons (Mean: 90,941.80 ind.m-3; S.D.: 26,364.79). The sampling stations located to the north and south, in the coastal region adjacent to the Caravelas River estuary presented the lowest copepod density values. The copepod assemblage was composed mainly of estuarine and estuarine/coastal copepods. The seasonal variations in temperature and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coastal region; Northeast Brazil; Seasonal variability; Tropical zone; Zooplankton.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400015

The type locality of the South American Tern, Sterna hirundinacea (Aves: Charadriiformes: Sternidae), with designation of a lectotype
Provedor de dados: 103
Autores: Carlos,Caio J.; Voisin,Jean-François.
The type locality of the South American Tern, Sterna hirundinacea, has long been considered to be the state of Santa Catarina in South Brazil. This conclusion was probably based on two syntypes, from the Muséum national d'Histoire naturelle in Paris, France, one from Laguna and the other from an unspecified locality. The latter was probably shot on the coast of Rio de Janeiro. A recent molecular study has shown that Brazilian and Patagonian populations of S. hirundinacea are not completely panmictic, though genetic differentiation between them is low. No data from the Falkland Islands and Pacific coast populations have been available for comparison. If future analysis shows that Pacific and/or Falkland/Malvinas populations are genetically isolated from the...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Brazil; Nomenclature; Seabirds; Taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300017

The use of pelvic fins for benthic locomotion during foraging behavior in Potamotrygon motoro (Chondrichthyes: Potamotrygonidae)
Provedor de dados: 103
Autores: Shibuya,Akemi; Carvalho,Marcelo R. de; Zuanon,Jansen; Tanaka,Sho.
Synchronized bipedal movements of the pelvic fins provide propulsion (punting) during displacement on the substrate in batoids with benthic locomotion. In skates (Rajidae) this mechanism is mainly generated by the crural cartilages. Although lacking these anatomical structures, some stingray species show modifications of their pelvic fins to aid in benthic locomotion. This study describes the use of the pelvic fins for locomotory performance and body re-orientation in the freshwater stingray Potamotrygon motoro (Müller &amp; Henle, 1841) during foraging. Pelvic fin movements of juvenile individuals of P. motoro were recorded in ventral view by a high-speed camera at 250-500 fields/s-1. Potamotrygon motoro presented synchronous, alternating and unilateral...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Behavior; Elasmobranchii; Locomotor adaptation; Potamotrygonid stingrays; Swimming.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000300179

New species of Blaberidae and Ectobiidae (Blattaria) from Brazil
Provedor de dados: 103
Autores: Lopes,Sonia Maria; Oliveira,Edivar Heeren de; Tarli,Vitor Dias.
We describe three new species collected from the Reserva Ducke (02°55'-03°01'S, 59°53'-59°59'W), near Manaus, state of Amazonas: one new species was included in Blaberidae (Epilamprinae): Epilampra manauara sp. nov: , which is similar to E. sagitta Rocha e Silva &amp;amp; Aguiar, 1978. It differs from that species in the generally darker coloration and the internal genitalia, which has the right phallomere hooked, developed, wide medially and distended apically, bearing an apical spine-like structure and a median sclerite with a larger prepucium, rounded and with apex more sclerotized and with better-defined apical crests. Two new species were included in Ectobiidae (Blattellinae): Chromatonotus amazoninus sp. nov: , which is similar to Chromatonotus...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Blattellinae; Epilamprinae; Litter; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000200008

Record of Argyrodiaptomus bergi (Crustacea: Copepoda: Calanoida) after 36 years and first record in Brazil
Provedor de dados: 103
Autores: Perbiche-Neves,Gilmar; Previattelli,Daniel; Nogueira,Marcos Gomes.
The first record of Argyrodiaptomus bergi (Richard, 1897) from a small roadside pool at high altitude in the southern region of Brazil is presented. This is the ninth record of this species in South America (previously known from Argentina and Uruguay) since its original description, and a new occurrence after 36 years, extending its known distribution to the northeast. The environments where this species was found differ sharply, and possible explanations include the loss of habitat, high species selectivity or deficient sampling efforts. An additional description is provided, with scanning electron microscopy (SEM) photomicrographs and line drawings. Similarly to other species of Argyrodiaptomus, such as Argyrodiaptomus falcifer (Daday, 1905),...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: New record; Rare species; Santa Catarina.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500001

Caste differences in Pseudopolybia compressa (Hymenoptera: Vespidae: Polistinae)
Provedor de dados: 103
Autores: Pizarro,Laura Chavarría; Noll,Fernando B.; Mateus,Sidnei.
Studies of morphological caste syndromes in the tribe Epiponini help us to understand the evolution of social behavior in insects. Few studies have integrated morphological syndromes of various species from the same or distinct genera. We studied morphological differences between castes from three colonies of Pseudopolybia compressa de Saussure, 1854, in order to relate their caste syndrome with those of other species in the genus. We took eight morphometric measures and females were classified in relation to ovarian development and spermathecal contents. Females of Colony 1 (C1) present a higher distinction between castes than females of Colonies 2 and 3 (C2 and C3), and, in general, queens of the three colonies are larger than workers in some measures...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Dimorphism; Epiponini; Morphological syndromes; Queen; Shape; Workers.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400006

Gonadal development and reproductive period of the characin Astyanax aff. bimaculatus (Characiformes: Characidae) in a tropical reservoir in southeastern Brazil
Provedor de dados: 103
Autores: Araújo,Francisco G.; Nascimento,Aparecida A.; Gomes,Iracema D.; Sales,Armando; Oliveira,Beatriz A. Chagas de.
ABSTRACT The gonadal development of the characin Astyanax aff. bimaculatus from Funil Reservoir, an impoundment in the middle reaches of the Paraiba do Sul River in southeastern Brazil was analysed through histological, histochemical and histometric techniques, and the spawning season was determined. Unbalanced sex ratio was found, with females outnumbering and reaching larger sizes than males. The following stages of oogenic cell development were identified for females: primary growth, pre-vitellogenic (cortical alveolar) and vitellogenic. In males, the following stages were determined: spermatogonia primary and secondary, spermatocyte primary and secondary, spermatid and spermatozoa. The spawning occurs most of the year, peaking in January-February, as...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Freshwater fish; Histology; Oocyte; Spawning type; Spermatocyte.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100326

Review of the Pachyprotasis flavipes group (Hymenoptera: Tenthredinidae) from China with descriptions of two new species
Provedor de dados: 103
Autores: Zhong,Yihai; Li,Zejian; Wei,Meicai.
ABSTRACT The flavipes group of Pachyprotasis Hartig, 1837, with twenty-four species recognized in China, is reviewed. This number includes two newly described species, Pachyprotasis rufodorsata sp. nov., from Sichuan, Hubei, Ningxia, and Shaanxi provinces, and Pachyprotasis nigritarsalia sp. nov., from Hunan province. The mesopleuron and metapleuron of the two new species are reddish-brown, distinguishing them from other similar species of the P. flavipes group. Thirty-four species of this group have been recorded from China, one species (P. variegate Fallén, 1808) was found to be widespread throughout Europe and Siberia, twenty-four were originally described from the China and Burma-Yunnan frontier, eleven from India, and five from Japan. A key to the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Sawflies; Taxonomy; Tenthredininae; Tenthredinoidea.
Ano: 2021
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702021000100308

Factors determining the structure of fish assemblages in an Amazonian river near to oil and gas exploration areas in the Amazon basin (Brazil): establishing the baseline for environmental evaluation
Provedor de dados: 103
Autores: Costa,Igor David; Freitas,Carlos Edwar de Carvalho.
ABSTRACT Determining the significance of biotic and abiotic factors in the structuring of fish assemblages in freshwater environments is an important question in ecology, particularly in view of environmental changes caused by man. In this paper we sought to identify the factors responsible for the composition and abundance of fish species collected with gill nets in six locations near ports in forest clearance areas opened up for oil and natural gas exploration (Petrobras Pedro Moura Base) in the Urucu River, during drought and flood cycles. In all, 923 individuals from 23 families and 82 species were collected, totalling a biomass of 182,244 g. The most abundant species during the flood season were Bryconops alburnoides (Kner, 1858) and Dianema...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Abiotic; Floodplain; Biological organization; Hydrocarbons.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500351

Phytobia (Diptera: Agromyzidae) from Brazil: new species, new record and a key to the Neotropical species
Provedor de dados: 103
Autores: Sousa,Viviane Rodrigues de; Couri,Márcia Souto.
ABSTRACT Phytobia Lioy, 1864 flies occur in all continents. There are four recorded species of these flies in Brazil, but recent expeditions at unexplored areas in the country have revealed that the genus is far more diverse than previously known. Based on material collected in the states of Mato Grosso, Mato Grosso do Sul, and Rondônia (as part of the SISBIOTA Diptera Project), we describe fourteen new species of Phytobia. Additionally, we redescribe P. kallima (Frost), previously recorded only from Panama, and provide a key to the 32 resulting Neotropical species. All descriptions include details and illustrations of the male and female terminalia. The speciemens are deposited in the collections of Museu de Zoologia, Universidade de São Paulo (São Paulo,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazilian species; Leaf-mining flies; Morphology; Taxonomy; Tropical forest.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100334

Parasitismo por malófagos (Insecta) e ácaros (Acari) em Turdus leucomelas (Aves) nas estações reprodutiva e de muda de penas no Parque Estadual do Rio Preto, Minas Gerais, Brasil
Provedor de dados: 103
Autores: Enout,Alexandre M. J.; Lobato,Débora N.; Azevedo,Cristiano S. de; Antonini,Yasmine.
The rates of infestation by chewing lice and feather mites on Turdus leucomelas Vieillot, 1818 (Aves: Turdidae) were used to test the hypothesis of that parasitism either increases or decreases according to, reproductive and molting seasons, respectively. Samples were obtained at the State Park of Rio Preto, state of Minas Gerais, Brazil, in October and December of 2006 and in March of 2007. The dust-ruffling technique was used in to remove the parasites from the body of their hosts. Five species of chewing-lice were found on the birds, with Myrsidea sp. and Brueelia sp. being the most prevalent parasites, whereas Menacanthus eurysternus Burmeister, 1838 was the least prevalent. No statistically significant difference was found between the infestation...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chewing lice; Feather mites; Feather molt; Pyrethrin.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300017

The island rule in the Brazilian frog Phyllodytes luteolus (Anura: Hylidae): incipient gigantism?
Provedor de dados: 103
Autores: Mageski,Marcio; Ferreira,Rodrigo B.; Jesus,Paulo R.; Costa,Larissa C. da; Roper,James J.; Ferreira,Paulo D.
ABSTRACT The island rule suggests that, when mainland animals are isolated on islands, large animals tend to become smaller, while small animals tend to become larger. A small frog in eastern Brazil, Phyllodytes luteolus (Wied-Neuwied, 1824), is widely distributed in association with bromeliads. At the end of the last glaciation, parts of the mainland became islands due to rising sea levels, thereby isolating frog populations on these islands. If the island rule holds, we predicted that frogs on islands would tend to be larger than frogs on the mainland. We compared sizes (weight and length) of 30 randomly selected male frogs from the mainland with 30 from an island in the state of Espírito Santo, Brazil. We also sampled population density on the island...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bromeliad; Amphibian; Anuran; Bromeligenous.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500329

The relevance of age and nutritional status on the mating competitiveness of medfly males (Diptera: Teprhitidae)
Provedor de dados: 103
Autores: Roriz,Alzira Kelly Passos; Joachim-Bravo,Iara Sordi.
Results of previous investigations trying to ascertain which physiological factors are more important to the mating success of medfly males are controversial. In part, this controversy owes to the fact that each factor was evaluated by an independent study using different experimental designs and populations. In the present study we compare the roles of age and nutritional status (immature and adult phases) on the mating competitiveness of Ceratitis capitata (Wiedemann, 1824) males. Three parameters were used to evaluate the male mating success: calling behavior (pheromone emission), lek participation and copulation (ability to be chosen by a female). Females gave preference to the males that were given a high protein diet in the larval phase. By contrast,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ageing; Ceratitis capitata; Fruit fly; Nutrition; Sexual behavior.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000500006

Sex-dependent foraging effort and vigilance in coal-crested finches, Charitospiza eucosma (Aves: Emberizidae) during the breeding season: evidence of female-biased predation?
Provedor de dados: 103
Autores: Diniz,Pedro.
Sexual dimorphism in birds is often attributed to sexual selection, but another interpretation suggests the evolution of this phenomenon by natural selection. Predation may be an important selective pressure, acting mainly on females. In this study, I tested the latter hypothesis on the coal-crested finch (Charitospiza eucosma Oberholser, 1905) in a neotropical savanna of the Central Brazil (Cerrado). I used capture methods for ascertaining the sex ratio in the population, and focal observations to gather behavioral data. My results show that the sex ratio is skewed toward males (1:1.39). Males were more vigilant, vocalized for longer periods of time, and used higher perches than females. Females foraged more, spent more time on parental care and remained...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Birds; Foraging behavior; Predation risk; Sex ratio; Sexual dimorphism.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200003

Length-weight relationships and prediction equations of body composition of farm raised Astyanax aff. Fasciatus (Actinopterygii: Characiformes: Characidae)
Provedor de dados: 103
Autores: Furuya,Valéria R.B.; Michelato,Mariana; Cruz,Thais P. da; Furuya,Wilson M.
This study ascertains the length-weight relationship and predicts body composition equations in cultivated Astyanax aff. fasciatus. A total of 300 fish were distributed in five groups according to body weight: 1.19 ± 0.18, 3.7 ± 0.70, 7.55 ± 0.97, 12.28 ± 2.32 and 22.16 ± 2.64 g. The length-weight relationship was elaborated using linear (y i = b0 + b1x i) or second-order (y i = b0 + b1x i + b1x i²) regression analysis. The value of the b slope in the length-weight relationship was 3.6971 and the intercept was 0.0031. The prediction equations obtained for body moisture, crude protein, crude lipid and ash were, y = 71.680 - 0.404BW, y = 17.140 - 0.095BW, y = 8.432 +0.364BW and y = 3.720 - 0.032BW, respectively, where BW is the body weight of fish (g). The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aquaculture; Fish; Growth; Mathematical modeling; Regression analysis.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000600001

Behavioral responses of humpback whales, Megaptera novaeangliae (Cetacea: Balaenopteridae), to satellite transmitter deployment procedures
Provedor de dados: 103
Autores: Alves,Luiz Cláudio P. de S.; Moreira,Sérgio; Simões-Lopes,Paulo C.; Andriolo,Artur.
Tagging whales with implantable satellite transmitters creates the possibility of disturbing the animals. Between 2003 and 2005, behavioral observations of humpback whales during tag deployment operations were conducted off the coast of Brazil from the flying bridge of a speedboat. The speed achieved by each whale during pursuit was registered by GPS receivers onboard two inflatable zodiac boats. Respiratory frequencies were significantly lower (n = 15, p &lt; 0.05) before (mean = 0.89 ± 0.06 blows/min) compared with after (1.39 ± 0.15) tagging. The same effect was observed for the speed of each animal (mean = 10.96 ± 0.44 km/h and 12.54 ± 0.57 km/h; n = 13, p &lt; 0.05). Both variables were positively correlated with the duration of the pursuit (n = 21, r...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Behavior; Respiratory frequency; Satellite telemetry.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100001

New synonymies and a revalidation in the spider genera Eustala and Micrathena (Araneae: Araneidae)
Provedor de dados: 103
Autores: Levi,Herbert W.; Santos,Adalberto J.
In this study, 10 nominal species of Eustala Simon, 1895 are synonymized with other species of the genus, mostly based on matching males and females erroneously described as different species. Parawixia rimosa (Keyserling, 1892) is considered a senior synonym of Eustala decemtuberculata Caporiacco, 1955. Eustala isosceles Mello-Leitão, 1939 is transferred to Kapogea Levi, 1997 and considered a senior synonym of Kapogea alayoi (Archer, 1958) based on abdomen shape and coloration. Micrathena beta Caporiacco, 1947 is redescribed, illustrated and transferred from Linyphiidae back to Araneidae. This species can be easily distinguished from other members of the genus by the male palpus with an enlarged and modified paracymbium and a narrower hook as a conductor....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Kapogea; Neotropical region; Parawixia; Taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200013

Rediscovered after 77 years: Odontodiaptomus thomseni - a rare species of calanoid (Crustacea: Copepoda) from South America
Provedor de dados: 103
Autores: Perbiche-Neves,Gilmar; Boxshall,Geoff A.; Rocha,Carlos E. F. da; Nogueira,Marcos G.
The freshwater copepod Odontodiaptomus thomseni (Brehm, 1933) (Calanoida: Diaptomidae) is a rare species that has been reported only once - in its original description (BREHM 1933). The lack of subsequent records led to its inclusion in the Red List of threatened species (IUCN). Here we present a new record for O.thomseni. It was discovered in Salto Grande reservoir, which is located in the lower stretches of the Uruguay River, between Uruguay and Argentina, at the River Plate basin. In January 2010, three specimens (two males and one female) were found, and these were studied in detail using scanning electron microscopy (SEM). We only had material of Odontodiaptomus paulistanus (Wright, 1936) for comparison, but the position of the lateral spine in right...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Copepod; Rare; Red list; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000200010

Estrutura populacional de Aegla schmitti (Crustacea: Anomura: Aeglidae) nos reservatórios dos Mananciais da Serra, Piraquara, Paraná, Brasil
Provedor de dados: 103
Autores: Teodósio,Érico A. O.; Masunari,Setuko.
A study on population structure of Aegla schmitti Hobbs III, 1979 was carried out at Mananciais da Serra, in the municipality of Piraquara, state of Paraná, Brazil (25º29'S, 48º58'W). The following aspects were treated: temporal fluctuation in abundance, sex ratio, reproductive period and size composition based on carapace length. The animals were colleted with traps, nets, measured and returned to the reservoirs. This population was sampled monthly, in two reservoirs (Carvalho and Carvalhinho) constructed in the headwater streams with swift current and steep gradient, located on west side of Serra do Mar mountains, from November, 2004 to January, 2006. The water temperature varied from 11.0 (July, 2005) to 18.2ºC (March, 2007), dissolved oxygen from 7.0...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aeglid crab; Sex ratio; Temporal distribution.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100004

Blood metabolites as predictors to evaluate the body condition of Neopelma pallescens (Passeriformes: Pipridae) in northeastern Brazil
Provedor de dados: 103
Autores: Azeredo,Luane M.M.; Oliveira,Talita C.; Lopez,Luiz C.S.
ABSTRACT Body condition is an important ecological attribute that can provide a measure of the energy stored by an animal or population. Body condition is traditionally ascertained with morphometric body condition indices (BCIs), but some researchers have used various physiological and biochemical parameters as predictors of body condition. This study aimed to test reliable biochemical predictors of body condition in individuals of Neopelma pallescens (Lafresnaye, 1853), found in an Atlantic forest patch. For this purpose we examined the relationship between body condition and the concentrations of blood glucose and ketones. We also verified correlations between blood metabolite concentrations and ecological variables, including time of day, seasons,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Birds; Ectoparasitism; Glucose; Incubation; Ketones.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000600901

Revision of the South American Fonckia (Opiliones: Gonyleptidae: Pachylinae) with the description of two new species
Provedor de dados: 103
Autores: Silva,Marília Pessoa; Hara,Marcos Ryotaro; Pinto-da-Rocha,Ricardo.
Fonckia Roewer, 1913 is revised and two new species are described in it: Fonckia contulmo sp. nov., from Monumento Nacional Contulmo, Araucanía, Chile, diagnosed mainly by the enlarged tubercles on the lateral margins of the dorsal scutum, between the median region of scutal area II and the posterior margin of the scutal area III; and Fonckia sosia sp. nov., from Parque Nacional Conguillio, Malleco, Chile, distinguished mainly by the absence of a dorso-basal apophysis on femur IV of the male and a spiniform, enlarged retroapical tubercle on tibia IV of the male. We propose the generic synonymy of Diconospelta Canals, 1934 under Fonckia Roewer, 1913, and the specific synonymy of D. vazferreirae Mello-Leitão, 1946 under F. processigera (Sørensen, 1902). We...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chile; Harvestmen; Neotropics; Systematic; Taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200014

Spatial diversity patterns of birds in a vegetation mosaic of the Pantanal, Mato Grosso, Brazil
Provedor de dados: 103
Autores: Signor,Cleiton Adriano; Pinho,João Batista.
In this contribution we characterize the spatial diversity of bird populations in a heterogeneous landscape with respect to vegetation in the northern Pantanal region of Brazil. The method of additive partitioning of species diversity (γ = &amp;#945; + β) was used. Samples were collected in a grid with 30 sampling plots within a 25 km² area (5 x 5 km). A total of 163 bird species were found, comprising 114 resident species and 49 regional migrants. Most species were restricted spatially, with 58% found in a maximum of five sampling plots, while 15% were found in only one plot. The beta diversity comprised 77% of total diversity and was lower for residents than for regional migrants (66% and 88%, respectively). This suggests greater spatial heterogeneity in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Additive diversity; Beta diversity; Flood plains; Regional migration.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600005

A new species of Tyrannoseira (Collembola: Entomobryidae: Seirini) from the Brazilian coastal region
Provedor de dados: 103
Autores: Bellini,Bruno Cavalcante; Godeiro,Nerivania Nunes.
A new species of Tyrannoseira Bellini &amp;amp; Zeppelini, 2011 (Entomobryidae) is described and illustrated. Specimens of T. diabolica sp. nov. were collected in Barreira do Inferno, state of Rio Grande do Norte, Brazil. This is the fourth described species in the genus. All males of Tyrannoseira have the femora of the first pair of legs enlarged and slender tibiotarsi, both bearing several spine-like setae. Probably the closest species to T. diabolica sp. nov. is T. sex Bellini &amp;amp; Zeppelini, 2011. They share many similarities in their color pattern and dorsal chaetotaxy.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazilian collembolan diversity; Edaphic mesofauna; Entomobryomorpha; Seirinae; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100010

Effects of moonlight on the capturability of frugivorous phyllostomid bats (Chiroptera: Phyllostomidae) at different time scales
Provedor de dados: 103
Autores: Mello,Marco A. R.; Kalko,Elisabeth K. V.; Silva,Wesley R.
Some bat species seem to be lunar phobic, i.e., they avoid flying in bright areas or during bright periods of the night; however, the evidence is still controversial. We think that part of this controversy comes from pooling data on bat captures and moonlight intensity according to broad categories, such as moon phases, which conceal the high variability among nights. Therefore, we used detailed, long-term field data on three phyllostomid bat species, in order to test the hypothesis of lunar phobia at two different time scales: 1) among nights, by pooling data of different nights according to moon phases and testing for differences in the distribution of captures; and 2) within a night, by analyzing the relationship between capturability and moonlight...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Activity; Behavior; Foraging; Lunar phobia; Mist netting.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400005

Mammal occurrence and roadkill in two adjacent ecoregions (Atlantic Forest and Cerrado) in south-western Brazil
Provedor de dados: 103
Autores: Cáceres,Nilton C.; Hannibal,Wellington; Freitas,Dirceu R.; Silva,Edson L.; Roman,Cassiano; Casella,Janaina.
This paper examines the frequencies of mammal roadkill in two adjacent biogeographic ecoregions (Atlantic Forest and Cerrado) of Brazil. Mammals were recorded during a seven-year period and over 3,900 km of roads, in order to obtain data for frequencies of species in habitats (sites) and frequencies of species killed by cars on roads. Sites (n = 80) within ecoregions (Cerrado, n = 57; Atlantic Forest, n = 23) were searched for records of mammals. Species surveyed in the entire region totaled 33, belonging to nine orders and 16 families. In the Cerrado, 31 species were recorded in habitats; of these, 25 were found dead on roads. In the Atlantic Forest ecoregions, however, we found 21 species in habitats, 16 of which were also found dead on roads. There was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anteaters; Caviomorph rodents; Road mortality; Highway; Transitional vegetation.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500007

Errata for ZOOLOGIA volumes 29(2) and 31(2)
Provedor de dados: 103
Tipo: Info:eu-repo/semantics/other
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000600011

Description of the males of Lincus singularis and Lincus incisus (Hemiptera: Pentatomidae: Discocephalinae)
Provedor de dados: 103
Autores: Maciel,Aline S.; Garbelotto,Thereza de A.; Winter,Ingrid C.; Roell,Talita; Campos,Luiz A.
The Neotropical Lincus Stål, 1867 includes 35 species, thirteen of which are known only from females. Several species are vectors of Phytomonas staheli McGhee &amp; McGhee, 1979, a trypanosomatid parasitic in palm-trees in South America that causes hart-rot, sudden and slow wilt diseases. The hitherto unknown males of L. singularis Rolston, 1983 ("swollen head" species group found in the oil palm Elaeis guineensis Jacq.), and L. incisus Rolston, 1983 ("hatchet-lobed" species group; found in the coconut tree Cocos nucifera L.), are described with emphasis on the morphology of the genitalia, and taxonomic remarks are provided. Males of L. singularis can be distinguished from other species included in "swollen head" group by their pronotal lobes with anterior...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Genitalia; Morphology; Ochlerini; Stink bugs; Taxonomy.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000200157

First report of Temnocephala haswelli (Platyhelminthes: Temnocephalida) in Pomacea canaliculata (Mollusca: Ampullariidae) from Brazil: description update based on specimens from the state of Rio Grande do Sul, Brazil
Provedor de dados: 103
Autores: Seixas,Samantha A.; Amato,José F. R.; Amato,Suzana B.
The impact of the discovery of Temnocephala haswelli Ponce de Léon, 1989, described as ectosymbionts of ampullariid apple snails outside of Uruguay, motivated us to collect a large number of specimens of Pomacea canaliculata (Lamarck, 1822) from several localities in the southern portion of the state of Rio Grande do Sul. This species was recorded three times after its description: in a study of chromosomes, in a study about the ultrastructure of the collar receptor cells, and in a study of the Haswell glands, all conducted in Uruguay. A total of 301 specimens of P. canaliculata were collected from 1999 to 2007. Temnocephalans found in the pallial cavity were identified as T. haswelli, which occurred in single infestations or concurrently with Temnocephala...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ectocommensals; Mollusks; Neotropical Region; South America; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300020

Bird diversity in the Serra do Aracá region, northwestern Brazilian Amazon: preliminary check-list with considerations on biogeography and conservation
Provedor de dados: 103
Autores: Borges,Sérgio Henrique; Whittaker,Andrew; Almeida,Ricardo Afonso Machado de.
We inventoried the birds from Serra do Aracá region, state of Amazonas. The region encompasses a high diversity of vegetation types, including white sand forests and campinas, terra firme and flooded forests, montane forests and tepuis. We recorded 416 bird taxa in 69 families through captures with mist nets, tape recording of bird voices, and collection of voucher specimens. A large proportion of them (61%) were recorded in a single vegetation type. Qualitative estimates suggest that approximately 580 bird species occur in the region. The avifauna of the Aracá region has a mixed biogeographic composition, with species typical of both margins of the Rio Negro occurring sympatrically. Additionally, species whose distributions are restricted to three areas...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon biodiversity; Amazonas; Rio Branco; Rio Negro; Tepuis; White sand campinas.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400006

A new species of Sickesia (Laniatores: Stygnidae: Opiliones) and new records for the State of Piauí, Brazil
Provedor de dados: 103
Autores: Pinto-da-Rocha,Ricardo; Carvalho,Leonardo S.
Sickesia tremembe sp. nov. is described from Piauí, Northeast Brazil (type-locality: Sete Cidades National Park, Brasileira and Piracuruca municipalities). It differs from S. usta and S. helmuti by the clavate male femur IV and chelicerae segment I with a pair of large tubercles on retrolateral surface. The Stygnidae Stygnus polyacanthus (Mello-Leitão, 1923); the Cosmetidae, Gryne pluriarcuata Mello-Leitão, 1936 and undetermined species of Paecilaema and Gryne and also representatives of Escadabiidae and Sclerosomatidae (Gagrellinae) are recorded from this state, for the first time.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cosmetidae; Escadabiidae; Neotropics; Sclerosomatidae; Taxonomy.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200018

Two new cave-dwelling genera of short-tailed whip-scorpions from Brazil (Arachnida: Schizomida: Hubbardiidae)
Provedor de dados: 103
Autores: Pinto-da-Rocha,Ricardo; Andrade,Renata; Moreno-González,Jairo A.
ABSTRACT Two new genera of short-tailed whip-scorpions are described based on material from Brazilian iron ore and canga caves in the Carajás region, Pará, Brazil. Naderiore gen. nov. with a single species N. carajas sp. nov. and also monotypic Cangazomus gen. nov. (type species C. xikrin sp. nov.). The relationships of the two new genera with previously described genera are discussed. Naderiore most closely resembles Adisomus Cokendolpher &amp; Reddell, 2000, Piaroa Villarreal, Tourinho &amp; Giupponi, 2008 and Calima Moreno-González &amp; Villarreal, 2012, and can be distinguished from them by Dm3 modified as macrosetae in the male flagellum. Cangazomus most closely resembles Naderiore , Adisomus Cokendolpher &amp; Reddell, 2000, and Piaroa Villarreal,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Canga cave; Cangazomus; Iron ore cave; Naderiore; Neotropics; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000203001

Autoecology of Dryadosaura nordestina (Squamata: Gymnophthalmidae) from Atlantic forest fragments in Northeastern Brazil
Provedor de dados: 103
Autores: Garda,Adrian A.; Medeiros,Pedro H.S. de; Lion,Marília B.; Brito,Marcos R.M. de; Vieira,Gustavo H.C.; Mesquita,Daniel O.
Life history parameters such as diet, reproduction, and sexual dimorphism are crucial to understand ecological and evolutionary forces shaping species traits. Nevertheless, such information is scant in the literature for most Neotropical squamates. Gymnophthalmidae contains over 242 species in 46 genera and includes small-size, mostly terrestrial species, although psamophilic, semi-aquatic, and low vegetation dwellers also occur. Dryadosaura is a monospecific genus - Dryadosaura nordestina Rodrigues et al., 2005 - , occurring in Atlantic Forest areas from Rio Grande do Norte to Northern Bahia, and little is known about its ecology and natural history. We analyzed the species' diet, reproduction, and sexual dimorphism based on 170 specimens deposited in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Ecology; Lizard; Reproduction; Sexual dimorphism.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500002

Annual male reproductive activity and stages of the seminiferous epithelium cycle of the large fruit-eating Artibeus lituratus (Chiroptera: Phyllostomidae)
Provedor de dados: 103
Autores: Notini,Alice A.; Farias,Talita O.; Talamoni,Sônia A.; Godinho,Hugo P.
The large fruit-eating phyllostomid bat, Artibeus lituratus (Olfers, 1818), forearm 69-75 mm, body mass 66-82 g, has a diversified geographic distribution in the Neotropical region. Therefore it is subjected to different climatic conditions that affect its reproduction, leading to different reproductive strategies such as continuous reproduction, seasonal monoestry or seasonal bimodal polyestry. In this study we used morphometric and histological methods to analyze the annual reproductive activity of A. lituratus males in a population living in the Atlantic Forest, Southeastern Brazil. Testis mass, epididymis mass, gonadosomatic index, seminiferous tubule diameter, and Leydig cell nucleus diameter showed no significant differences (p &gt; 0.05) in the two...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Morphometry; Neotropical bat; Seminiferous epithelium; Spermatogenesis; Reproduction.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000300195

Vocal repertory of Scinax littoreus (Anura: Hylidae) with comments on the advertisement call of the Scinax perpusillus species group
Provedor de dados: 103
Autores: Pontes,Rafael; Mattedi,Camila; Baêta,Délio.
The Scinax perpusillus species group consists of thirteen bromeligenous treefrogs, of which only six have had their acoustic parameters appropriately described. In this work, we present the vocal repertory of Scinax littoreus (Peixoto, 1988) based on recordings obtained from three different populations in the state of Rio de Janeiro, Brazil. Based on our observations we suggest that the vocal repertory of S. littoreus is composed of two distinct types of calls. The call named type A, which corresponds to a long series of multipulsed notes, is likely to have a mating function. This type of call is similar to that reported for Scinax arduous Peixoto, 2002, Scinax peixotoi Brasileiro, Haddad, Sawaya &amp;amp; Martins, 2007, and Scinax perpusillus (Lutz...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aggressive call; Bioacoustics; Bromeligenous; Geographic distribution; Territorial call.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400001

Survival of the copepod Mesocyclops longisetus during simulations of transport from hatchery to target areas for biological control of mosquito larvae
Provedor de dados: 103
Autores: Nunes-Silva,Aline; Lima-Keppe,Isabela de; Souza,Robson V. de; Perbiche-Neves,Gilmar.
ABSTRACT Copepods have been successfully used in many countries for the biological control of larvae of mosquitoes that vector diseases. In Brazil, this line of research has been focused on the use of the copepod Mesocyclops longisetus (Thiébaud, 1914) for the biological control of the mosquito Aedes aegypti (Linnaeus, 1792). The transportation of the copepods from the place where they are reared to where they will be used often involves long distances for extended periods of time. This study assesses the survivorship of M. longisetus during simulation of transport under different conditions. Different loading densities (20, 30, 40, 80, and 120 ind.L) and stirring times (30 minutes, one hour, two hours, and four hours) were tested. Survivorship was high,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aedes aegypti; Copepoda; Culicidae; Density.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100309

A new species of Fingeriana (Hemiptera: Cicadellidae: Cicadellini)
Provedor de dados: 103
Autores: Carvalho,Rachel Alexandre de; Cavichioli,Rodney Ramiro.
Fingeriana reflexa sp. nov. is described and illustrated based on specimens collected in Camacan (Bahia) and Santa Teresa (Espírito Santo), Brazil. The new species can be distinguished from F. dubia Cavichioli, 2003 by the aedeagus narrowed towards the apex, with an apical pair of small triangular projections, and with a basal process laterally flattened and bent anteriorly on the apical portion. Notes comparing Fingeriana Cavichioli, 2003 to the similar Nielsonia Young, 1977 are provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Cicadellinae; Distribution; Taxonomy; Neotropical Region.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100009

Living among thorns: herpetofaunal community (Anura and Squamata) associated to the rupicolous bromeliad Encholirium spectabile (Pitcairnioideae) in the Brazilian semi-arid Caatinga
Provedor de dados: 103
Autores: Jorge,Jaqueiuto S.; Sales,Raul F.D.; Santos,Roberto L.; Freire,Eliza M.X.
ABSTRACT Bromeliads are important habitats for reptiles and amphibians, and are constantly used as shelter, refuge, foraging or thermoregulation sites due to their foliar architecture, which allows for constant maintenance of humidity and temperature. This study aimed to identify the herpetofauna inhabiting the non-phytotelmata rupicolous bromeliad Encholirium spectabile Mart. ex Schult. &amp; Schult.f. and to analyze the microhabitat usage of these bromeliads by different species in the Caatinga of northeastern Brazil. From January 2011 to August 2012, we collected data by active search throughout three paralel transects in a rock outcrop in the municipality of Santa Maria, state of Rio Grande do Norte. We recorded four species of anuran amphibians, six...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibians; Associated fauna; Bromeliaceae; Habitat use; Reptiles.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100310

Taxonomic reassessment of the treehopper tribe Talipedini with nomenclatural changes and descriptions of new taxa (Hemiptera: Membracidae: Membracinae)
Provedor de dados: 103
Autores: Sakakibara,Albino M.
The tribe Talipedini Deitz is redefined and its boundaries are expanded with the inclusion of the following taxa: Erechtia Walker, 1858 (formerly placed in Membracini), Pseuderechtia gen. nov. (type species: Leioscyta neivai Fonseca, 1941), and Talipes Deitz, 1975 gen. reval. (formerly junior synonym of Trinarea Goding, 1926, the latter herein considered new synonym of Erechtia). Along with these taxonomic rearrangements, some nomenclatural changes are also introduced. The species treated in this paper are: Erechtia gibbosa (DeGeer, 1773), E. carinata (Funkhouser, 1922) comb. nov., E. cristalta sp. nov. (type locality: French Guyana, Saül), E. diminuta sp. nov. (type locality: Brazil, Pará, Marituba), E. elongatula sp. nov. (type locality: French Guyana,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Homoptera; Nomenclature; Taxonomy; Treehoppers.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000600008

Species composition and temporal activity of Arctiinae (Lepidoptera: Erebidae) in two cerrado vegetation types
Provedor de dados: 103
Autores: Scherrer,Scheila; Ferro,Viviane G.; Ramos,Marina N.; Diniz,Ivone R.
Arctiinae moths include nearly 11,000 species worldwide, of which approximately 700 species occur in the Brazilian Cerrado. The aim of this study was to describe the species composition of Arctiinae, as well as the variation in annual and nightly moth activity, in two Cerrado vegetation types. We sampled moths one night per month from September 2008 to June 2009, in the gallery forest and in the cerrado sensu stricto in the Jardim Botânico de Brasília. We collected 395 tiger moths belonging to 65 morphospecies; 74% of the species belonged to the tribe Arctiini and 26% to Lithosiini. Thirty-one species (47.7%) occurred only in the gallery forest, 13 (20%) occurred only in the cerrado sensu stricto, and 21 (32.3%) occurred in both vegetation types....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cerrado sensu stricto; Gallery forest; Moths; Seasonality; Time of activity.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200010

Composition of mixed-species bird flocks in forest fragments of southern Brazil
Provedor de dados: 103
Autores: Brandt,Cláudia S.; Hasenack,Heinrich; Laps,Rudi R.; Hartz,Sandra Maria.
The present study aimed to evaluate the composition of mixed-species bird flocks in a fragmented landscape of the Atlantic Forest in southern Brazil. We recorded 117 species in 218 mixed-species flocks. The correspondence analysis showed two distinct groups of fragments according to degree of connectivity with other fragments. The percentage of original cover surrounding a sampled fragment area up to a ratio of 2.5 and 1 km was the variable that presented highest correlation with the formation of different composition of mixed-species bird flocks, followed by altitude. Based on these results, we concluded that, in landscapes with low levels of fragmentation, the composition of mixed flocks reflects the local species pool. Thus, future studies comparing...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Bird community; Ecological interactions; Fragmentation; Mixed-species flocks.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300013

The biology and functional morphology of Macoma biota (Bivalvia: Tellinidae: Macominae)
Provedor de dados: 103
Autores: Piffer,Pedro Ribeiro; Arruda,Eliane Pintor de; Passos,Flávio Dias.
Macoma biota Arruda &amp;amp; Domaneschi, 2005, is a recently described species known only from the intertidal zone of Praia da Cidade, Caraguatatuba Bay, in the state of São Paulo, southeastern Brazil. The main purpose of the present paper is to describe the biology of M. biota, beginning with a detailed analysis of its anatomy and functional morphology and how these attributes are correlated with its habitat and life history. The morphology of the organs in the pallial cavity and their sorting devices indicate that this species has efficient mechanisms to process large amounts of particles that enter this cavity via the inhalant current. M. biota can rapidly select the material suitable for ingestion and direct the undesired excess to the rejection...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anatomy; Behavior; Deposit-feeder; Mode of life; Mollusca.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300006

Do natural disturbances have significant effects on sandy beach macrofauna of Southeastern Brazil?
Provedor de dados: 103
Autores: Costa,Leonardo Lopes; Machado,Phillipe Mota; Zalmon,Ilana Rosental.
ABSTRACT The role of morphodynamic features such as grain size, swash climate and wave action on the macrofauna of beaches are well-known. However, few studies have investigated natural disturbances as potential drivers of temporal community variations. In southeastern Brazil, we sampled the intertidal macrofauna of two sandy beaches to test whether seasonal disturbances as the frequency of storm wave events (SWE) and rainfall have significant influence on their composition and abundance. The macrofauna assemblage differed significantly between the rainy and the dry seasons, but rainfall was not the main driver of community changes, although both beaches are in the vicinity of extensive river plumes. Actually, SWE explained most macrofauna richness...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Community structure; Benthic community; Intertidal; Morphodynamics; Seasonality.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100321

Avicularia rickwesti sp. nov., a remarkable new species of Avicularia (Theraphosidae: Aviculariinae) from Dominican Republic
Provedor de dados: 103
Autores: Bertani,Rogério; Huff,Jeremy.
A remarkable new species of Avicularia Lamarck, 1818, Avicularia rickwesti sp. nov., is described from Dominican Republic. Female specimens of the new species are unusual by having two very short and broad spermathecae with distal half strongly sclerotized, a feature not found in any other aviculariine. Additionally, it has the leg coxae with spiniform setae, smaller on leg I and prolateral leg II, larger, black on retrolateral leg II, prolateral and retrolateral leg III and prolateral leg IV. Males are unknown. The new species is known only from two localities, in southwestern Dominican Republic. This is the first record for the subfamily on Hispañola which is close to the northern boundary for the Aviculariinae distribution.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caribbean; Tarantula; Taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300012

Minaselates, a new genus and new species of Epiphragmophoridae from Brazil (Gastropoda: Stylommatophora: Helicoidea)
Provedor de dados: 103
Autores: Cuezzo,Maria Gabriela; Pena,Meire Silva.
ABSTRACT We describe a new genus and a new species in the family Epiphragmophoridae, Minaselates paradoxa sp. n. The new species was found at the National Park Cavernas do Peruaçu, in northern portion of the state of Minas Gerais, Brazil. Minaselates paradoxa sp. n. is classified in Epiphragmophoridae based on the fact that it shares the following diagnostic features of the family: a dart apparatus with a single dart sac, and two unequal mucous glands at the terminal genitalia. Minaselates gen. n. differs from Epiphragmophora Doering, 1874 by having a granulose protoconch, shell spire with blunt apex, complex microsculpture on the teleoconch and closed umbilicus fused with the shell wall. Also, significant differences between the two genera are the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cerrado; Pleurodontidae; Pulmonata; South America; Taxonomy.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100307

What are the main local drivers determining richness and fishery yields in tropical coastal fish assemblages?
Provedor de dados: 103
Autores: Souza,Cynthia D.; Batista,Vandick S.; Fabré,Nidia N.
ABSTRACT Seasonal ecological effects caused by temperature and photoperiod are typically considered minimal in the tropics. Nevertheless, annual climate cycles may still influence the distribution and abundance of tropical species. Here, we investigate whether seasonal patterns of precipitation and wind speed influence the structure of coastal fish assemblages and fishing yields in northeast Brazil. Research trips were conducted during the rainy and dry seasons using commercial boats and gear to sample the fish community. Diversity was analyzed using abundance Whittaker curves, diversity profiles and the Shannon index. Principal Component Analysis (PCA) was used to analyze associations between the abundance of species and various environmental variables...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Artisanal fishing; Fishes; Wind; Precipitation; Seasonality; Gillnet.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100304

Sexual and reproductive traits of the pearl oyster shrimp Pontonia margarita (Decapoda: Palemonidae), symbiotically inhabiting the mantle cavity of the rugose pen shell Pinna rugosa (Bivalvia: Pinnidae)
Provedor de dados: 103
Autores: García-Ulloa,Diego; Landa-Jaime,Víctor; Góngora-Gómez,Andrés Martín; García-Ulloa,Manuel; Hernández-Sepúlveda,Juan Antonio.
ABSTRACT Symbiosis between decapods and mollusks provides a unique opportunity to examine some of the evolutionary strategies employed by marine invertebrates. We describe the sexual and reproductive traits of the pearl oyster shrimp, Pontonia margarita Verril, 1869, found symbiotically inhabiting the mantle cavity of the rugose pen shell, Pinna rugosa Sowerby, 1835. Solitary males and females (ovigerous and non-ovigerous) and heterosexual pairs (with ovigerous and non-ovigerous females) were found in a total of 47 rugose pen shells collected from a sandy area with seagrass meadows on the southeastern coast of the Gulf of California, Mexico. The body length (BL) of female P. margarita was correlated with the shell volume of their rugose pen shell host. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Monogamy; Promiscuity; Reproduction; Sex ratio; Shrimp-pen shell association.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100312

Descrição de nove espécies novas de Phenacogaster (Ostariophysi: Characiformes: Characidae) e comentários sobre as demais espécies do gênero
Provedor de dados: 103
Autores: Lucena,Zilda Margarete Seixas de; Malabarba,Luiz Roberto.
Nine new species of Phenacogaster Eigenmann, 1907 are described: Phenacogaster capitulatus sp. nov. from the Neshuya River system, Ucayali River basin; Phenacogaster maculoblongus sp. nov. from the upper Cuyuni River, and tributaries of the lower Orinoco River; Phenacogaster napoatilis sp. nov. from the Napo River system, upper Amazon River basin; Phenacogaster ojitatus sp. nov. from the Xingu River system; Phenacogaster prolatus sp. nov. from the Orinoco River, canal Casiquiare and upper and middle Negro River; Phenacogaster retropinnus sp. nov. from the Negro, Madeira and Xingu river systems; Phenacogaster simulatus sp. nov. from the Potaro River, Essequibo drainage; Phenacogaster wayampi sp. nov. from the Oiapoque River, and Phenacogaster wayana sp....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Neotropical fish; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200014

Factors influencing the selection of communal roost sites by the Black Vulture Coragyps atratus (Aves: Cathartidae) in an urban area in Central Amazon
Provedor de dados: 103
Autores: Novaes,Weber G.; Cintra,Renato.
Increasing populations of the Black Vulture, Coragyps atratus (Bechstein, 1793) and the capacity this bird has to live near humans has resulted in vulture-human conflicts. These conflicts increase the need for the effective management of vultures. Improved understanding of communal roosting dynamics is a key aspect of vulture biology that provides information for effective management that can mitigate conflicts. Here we investigated factors influencing roosting site selection by Black Vultures in Manaus. We monitored 40 native vegetation remnants (VR), visiting each VR twice (two independent observers) between 5:00 p.m. and 6:00 p.m. once every two-three months from June to November 2011. Using maximum-likelihood analysis and information-theoretic...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aircraft; Bird strikes; Vulture-human conflicts.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600004

Anatomy of the digestive tube of sea turtles (Reptilia: Testudines)
Provedor de dados: 103
Autores: Magalhães,Marcela dos S.; Santos,Armando J. Barsante; Silva,Naisandra B. da; Moura,Carlos E. B. de.
This study characterized the morphology of the digestive tube of five species of sea turtles. We used specimens found dead along the coast of the state Rio Grande do Norte, as well as specimens accidentally killed as a result of pelagic longline fishing. Nineteen animals of the following species were analyzed: Chelonia mydas (Linnaeus, 1758) (n = 9), Lepidochelys olivacea (Eschscholtz, 1829) (n = 6), Caretta caretta (Linnaeus, 1758) (n = 2), Eretmochelys imbricata (Linnaeus, 1766) (n = 1) and Dermochelys coriacea (Vandelli, 1761) (n = 1). After opening the plastron, we removed the digestive organs and described the external and internal morphology of each organ. The esophagus of all species had pointed papillae on the mucosa. The stomach varied in shape...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anatomy; Digestive system; Morphology.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100008

Parental care behavior in the Guiana dolphin, Sotalia guianensis (Cetacea: Delphinidae), in Ilha Grande Bay, southeastern Brazil
Provedor de dados: 103
Autores: Tardin,Rodrigo H. O.; Espécie,Mariana A.; Lodi,Liliane; Simão,Sheila M.
Parental care is any form of parental behavior that increases offspring fitness. To the authors' knowledge, this study is the first to analyze the intensity of parental care in the Guiana dolphin, Sotalia guianensis (van Bénéden, 1864). The objectives of this study are as follows: 1) to quantify the degree of parental care in S. guianensis in Ilha Grande Bay, Rio de Janeiro; 2) to investigate the influence of behavioral state and group size on the degree of parental care; and 3) to evaluate the differences between the intensity of parental care provided to calves and juveniles. Our results indicate that the intensity of parental care is high in S. guianensis and that care is more intense in larger groups. It is possible that these differences serve to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Adult-offspring relationship; Parent-offspring conflict.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100002

A key and checklist to the Neotropical forensically important "Little House Flies" (Diptera: Fanniidae)
Provedor de dados: 103
Autores: Grisales,Diana; Lecheta,Melise C.; Aballay,Fernando H.; Carvalho,Claudio J.B. de.
ABSTRACT Fanniidae (Insecta: Diptera) is a relatively small family (ca. 350 spp.) with five genera, of which Fannia Robineau-Desvoidy, 1830 and Euryomma Stein, 1899 have Neotropical distributions. Some of these species are almost always found in forensic studies. Forensically relevant species have been neglected, despite recent forensic studies that suggest their importance for estimating post-mortem interval (PMI). Thus, current and updated keys to identify adults or larvae on carcasses are unavailable for the most important species. While immature stages are important in estimating PMI, evidence suggests that adults (Fanniidae as well as other families) may also be useful for this purpose. Here we provide a key to males of the species of Fanniidae (found...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fannia; Euryomma; Forensic entomology; PMI.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000603001

A re-evaluation of the Aricoris constantius group with the recognition of three species (Lepidoptera: Riodinidae)
Provedor de dados: 103
Autores: Callaghan,Curtis J.
Material currently classified under the name Aricoris constantius (Fabricius, 1793) is examined and found to consist of three distinct species inhabiting southeastern and central Brazil, from the Brazilian state of Bahia to Paraguay. They are A. constantius, A. tutana (Godart, [1824]), reinstated status and A. monotona (Stichel, 1910), reinstated status, the latter two removed from synonymy. Besides significant morphological differences in wing pattern and genitalia, their status as separate species is supported by their overlapping ranges where each phenotype is sympatric with at least one other, with no evidence of hybridization. Notes are provided on the habitat in open formations, range and distribution in south eastern Brasil, and biology, including...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Biology; Distribution; Paraguay; Planalto Central.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300011

Mortality of primates due to roads and power lines in two forest patches in Bangladesh
Provedor de dados: 103
Autores: Al-Razi,Hassan; Maria,Marjan; Muzaffar,Sabir Bin.
ABSTRACT Primates are in imminent risk of extinction due to different types of anthropogenic activities. Mortality due to road accidents and electrocution from power lines are among the major direct anthropogenic threats to the survival of primates. We collected primate mortality data from 2015 to 2017 at Lawachara National Park and Satchari National Park in northeastern Bangladesh. We recorded 27 fatalities in five species of primates caused by road accidents (n = 15) and electrocution (n = 12). Most mortality records were for Trachypithecus phayrei (Blyth, 1847) (n = 8) while the lowest recorded mortality was for Macaca mulatta (Zimmermann, 1780) (n = 3). Ninety percent of primates in Bangladesh are threatened and populations are gradually declining. Our...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Bengal slow loris; Conservation; Electrocution; Fragmentation; Road accident; Phayre’s langur.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100504

A new species of the orb-weaving spider Mangora from Brazil (Araneae: Araneidae)
Provedor de dados: 103
Autores: Santos,Karina P.; Santos,Adalberto J.
A new species, Mangora ouropreto sp.nov., is described and illustrated based on male and female specimens from Ouro Preto, state of Minas Gerais, Brazil. Males of the new species can be distinguished by an anterior projection on the terminal apophysis, which is wider apically and has a serrated edge. Females resemble those of M. chiguaza Levi, 2007 in the shape of epigynum, but differ in the smaller and posteriorly directed scape.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Taxonomy; Itacolomi; Neotropical region.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200015

Two new Brazilian species of Chelodesmidae of the genera Iguazus and Tessarithys (Diplopoda: Polydesmida)
Provedor de dados: 103
Autores: Bouzan,Rodrigo S.; Pena-Barbosa,João Paulo P.; Brescovit,Antonio D.
ABSTRACT Two new species of Chelodesmidae from the Brazilian northeast are described, Iguazus robustus sp. nov., from the state of Paraíba, and Tessarithys exacuminatus sp. nov., from the states of Pernambuco and Sergipe. Iguazus robustus sp. nov. differs from other species of the genus by having a constriction in the zone of the gonopodal acropodite tip and an extra branch at the tip of the acropodite. Tessarithys exacuminatus sp. nov. differs from the other species of the genus by the large and ascending subterminal dorsal branch of the prefemoral process of the gonopod. Brief reviews of the taxonomy, geographic distribution and a key for males of the respective genera are provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Chelodesminae; Millipedes; Neotropical; Taxonomy.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100318

Revision of Lineostethus (Heteroptera: Pentatomidae: Discocephalini)
Provedor de dados: 103
Autores: Garbelotto,Thereza de Almeida; Kochenborger,Ana Paula Leite; Campos,Luiz Alexandre.
ABSTRACT Lineostethus Ruckes, 1966 has four species, L. clypeatus (Stål, 1862), L. graziae Hildebrand &amp; Becker, 1982, L. marginellus (Stål, 1872), and L. tenebricornis (Ruckes, 1957); mostly restricted to Central America, but with distribution records in the southern North America. Lineostethus is one of the discocephaline genera with discoid head. The last review of the genus, from the 1980’s, focused on the genital morphology and failed to provide updated descriptions or a key to species. We had access to material from different collections, including several specimens representing new species of Lineostethus, and males of L. marginellus which shows important variations in genital morphology. Here we update the generic description of Lineostethus and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Discocephala; Discocephalinae; Neotropical; Platycarenus; Taxonomy.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100338

A new species of Psilocymbium with the description of the male and new records of P. lineatum at South Brazil (Araneae: Linyphiidae)
Provedor de dados: 103
Autores: Rodrigues,Everton Nei Lopes; Ott,Ricardo.
The Neotropical genus Psilocymbium Millidge, 1991 can be recognized by the presence of a non-flagelliform, rigid and spiral shaped embolus, the absence of a cymbial basal excavation on the palp (males), and by having prolonged spermathecae on the epigynum and strong pedipalp setae (females). In this paper Psilocymbium antonina sp. nov., is described based on male and female specimens from the state of Paraná, southern Brazil. Psilocymbium antonina sp. nov. is diagnosed by the following combination of characters: prominent tibial apophysis with gauged distal projection, acute dorsal cymbial apex and acute cymbial proximal region of the palp (male); fertilization ducts distant from each other and the coiled copulatory ducts of the female epigynum. The male...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Erigoninae; Neotropical; Paraná; Rio Grande do Sul; Spider taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300018

Synanthropic behavior of the Neotropical palm swift Tachornis squamata (Apodiformes: Apodidae) in the Brazilian Caatinga
Provedor de dados: 103
Autores: Lunardi,Vitor O.; Oliveira-Silva,Catharina C.; Nascimento,Leandro A. do; Lunardi,Diana G.
The Neotropical palm swift, Tachornis squamata Cassin, 1853 (Apodidae), inhabits palm forests in the northern, northeastern and central regions of South America. At the Chapada do Apodi, Brazilian Caatinga, we investigated how the Neotropical palm swifts use palm trees to roost in two areas: urban and exurban. From May to November 2011 and from March to June 2012, out of the breeding season of the species, we compared the differences between the descriptive parameters of the palm-roosts and the activity levels of the swifts in urban and exurban roosting. We sampled 30 carnauba palm-roosts in exurban areas and 32 carnauba palm-roosts and 26 Chinese fan palm-roosts in urban areas for a period of 132 days, a total of 528 hours of sampling. The number of wasp...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caatinga; Carnauba palm; Chinese fan palm; Roost; Synurbization.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600015

Occurrence and distribution of larval lanternfish (Myctophidae) from the southwest Atlantic Ocean
Provedor de dados: 103
Autores: Castro,Márcia S. de; Richards,William J.; Bonecker,Ana Cristina T.
This study analyzes the occurrence and distribution of lanternfish (Myctophidae) larvae along the Brazilian coast (12-22ºS) between 200 m and the surface. Three cruises were conducted during the spring/1998, winter/1999 and autumn/2000. A total of 3,394 lanternfish larvae were identified representing 27 species and Lepidophanes guentheri (Goode &amp;amp; Bean, 1896) was the most abundant. Most of the identified taxa were in the postflexion stage. Myctophid larvae were more numerous during the winter. Most taxa were distributed widely from 12-22ºS, including some seamounts, and occurred mainly outside the 1,000 m isobath. Although there was no difference in the myctophid community among the coastal, oceanic and seamount regions it was significantly...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazilian coast; Larval mesopelagic fish; Myctophidae; Spatial variation; Tropical region.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400006

Is it possible to identify four small Neotropical felids (Carnivora: Felidae) based on hair microstructure?
Provedor de dados: 103
Autores: Rinaldi,Alcides Ricieri; Rodriguez,Flávia Heloisa; Passos,Fernando C.
The microscopic characters of the hair can be used to indirectly identify species that are either uncommon or are difficult to see, for instance small Neotropical felids of the southern Brazilian Atlantic Forests. This widely used technique, which has not yet been standardized, involves the identification of hairs collected from feces. We tested the hypothesis that this tool is effective to identify four species of small Neotropical felids: Leopardus guttulus, Puma yagouaroundi, L. wiedii and L. pardalis. To accomplish that, we used measurements of the length, width and area of the cuticular scales in the guard hairs and calculated the relationship between width and length (quotient) for each species. A multiple discriminant analysis was conducted on the...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Diet; Leopardus guttulus; Leopardus wiedii; Leopardus pardalis; Puma yagouaroundi.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100077

Description of Microvelia urucara sp. nov. and new distributional data on veliids (Insecta: Heteroptera: Veliidae): from the Amazon River floodplain, Brazil
Provedor de dados: 103
Autores: Moreira,Felipe F. F; Barbosa,Julianna F; Nessimian,Jorge L.
Based on material collected on streams and lakes from the Amazon River floodplain, Brazil, Microvelia urucara sp. nov. is described, illustrated and compared with similar species. The new species, like many other Neotropical Microvelia Westwood, 1834, does not present striking modifications on the body or appendages, but can be separated from its congeners by features of the male genitalia. Distributional data is presented for other veliids collected along the Amazon River, and Paravelia capixaba Moreira, Nessimian &amp;amp; Rúdio, 2010 and Microvelia summersi Drake &amp;amp; Harris, 1928 are recorded for the first time from the Brazilian Amazon. Rhagovelia jubata Bacon, 1948 is newly recorded from the state of Amazonas, and Microvelia mimula White, 1879,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aquatic insects; Hemiptera; Morphology; Neotropics; Taxonomy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500014

The influence of clutch and brood sizes on nesting success of the biscutate swift, Streptoprocne biscutata (Aves: Apodidae)
Provedor de dados: 103
Autores: Pichorim,Mauro.
The nesting success of three colonies of Streptoprocne biscutata (Sclater, 1866), and the influence of clutch and brood size on nesting success of species were studied. Overall, apparent nesting success was 58% and Mayfield nesting success was 53%. Nest survival during incubation (64%) was lower than during the nestling period (83%). During incubation, clutches were lost to rain, desertion, predation, egg ejection, egg damage, and egg disappearance. During the nestling period, losses occurred due to offspring disappearance, nestling death by starvation, predation and falling. During both incubation and nestling periods, predation was low, while egg ejections and nestling starvation were the main causes of nest failure. Nest survival during incubation was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Breeding success; Egg ejection; Clutch reduction; Mayfield method.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200005

Influence of the river flow on the structure of fish assemblage along the longitudinal gradient from river to reservoir
Provedor de dados: 103
Autores: Santos,Alex Braz Iacone; Terra,Bianca de Freitas; Araújo,Francisco Gerson.
Changes in fish assemblage structure along a longitudinal gradient of the Paraíba do Sul River and Funil reservoir were studied to detect distribution patterns and the seasonal influence of the inflowing river. Fish were caught by gill nets in three zones (riverine, transition and lentic) during two seasons (dry and wet). A total of 3,721 individuals were captured, comprising five orders, 14 families, 27 genera and 33 species. Five species were non-native and amounted to 17.7% of the total number of individuals. The 10 most abundant species were used to assess spatial-temporal patterns. Plagioscion squamosissimus (Heckel, 1840), Oligosarcus hepsetus (Curvier, 1829) and Metynnis maculatus (Kner, 1858) were widely distributed in both seasons. Astyanax...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Dam; Fish diversity; Paraíba do Sul River; Seasonality.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500010

A new species of Aulacigaster from Zurquí de Moravia, a Costa Rican cloud forest (Diptera: Aulacigastridae)
Provedor de dados: 103
Autores: Rung,Alessandra.
ABSTRACT A new species of Aulacigaster Macquart, 1835 A. zurqui sp. nov., is described from Costa Rica. The new species, which is classified in the plesiomorphica species group following a cladistics analysis, can be separated from all congeners by having a triangular 1st flagellomere and stout body that is uniformly dark-brown to black. An expanded diagnosis of the plesiomorphica group and a modified key to the Neotropical Aulacigaster are provided to accommodate the new species.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acalyptrate; Aulacigaster zurqui; Central America; Neotropical Region; Taxonomy.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100306

Eutaleola, a replacement name for the homonym Euteleia (Bryozoa: Pasytheidae)
Provedor de dados: 103
Autores: Vieira,Leandro M.; Gordon,Dennis P.
Eutaleola nom. nov. is proposed as a replacement name for Euteleia Marcus, 1938 (Bryozoa: Cheilostomata), a secondary homonym of Euteleia Raffray, 1904 (Arthropoda: Coleoptera). Eutaleola is a monospecific genus of Pasytheida e, found in warm shallow waters on both sides of the Atlantic and in deeper waters of the eastern Pacific. Brazilian material of Eutaleola evelinae (Marcus, 1938) comb. nov. is described and illustrated.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cheilostomata; Homonymy; New name.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400012

Population ecology of Chaetophractus vellerosus: the first report for an armadillo in South America
Provedor de dados: 103
Autores: Abba,Agustín M.; Benitez,Veronica V.; Doyle,Santiago R.
ABSTRACT The aim of this work was to obtain the first estimates of survival rates (S), capture probability (p) and life expectancy for armadillos in South America by analyzing capture-mark-recapture data obtained from a population of Chaetophractus vellerosus (Gray, 1865) located in Magdalena, Buenos Aires, Argentina. From June 2006 to June 2011, we conducted 16 field surveys that resulted in 365 capture events of 152 adult C. vellerosus. For the survival analysis we used a Cormack-Jolly-Seber (CJS) modelling framework. Interannual variation in S made an important contribution to overall variation in the survival rate of C. vellerosus. The average life expectancy for females and males after attaining sexual maturity was estimated at 1.70 and 1.65 years...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Argentina; Capture probability; CMR; Screaming hairy armadillo; Survival rates.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100332

The taxonomic status of Myotis levis levis and Myotis levis dinellii (Mammalia: Chiroptera: Vespertilionidae)
Provedor de dados: 103
Autores: Miranda,João M. D.; Bernardi,Itiberê P.; Sponchiado,Jonas; Passos,Fernando C.
Investigating the Myotis levis complex is important for understanding the taxonomic status of the two subspecies currently recognized in it: Myotis levis levis (I. Geoffroy, 1824) and M. levis dinellii Thomas, 1902. Both M. levis levis and M. levis dinellii have been recently observed in sympatry in Argentina. This finding suggests that these populations might in fact correspond to distinct species rather than subspecies, as they have traditionally been designated. By using a multivariate morphometric approach, we demonstrate that M. l. levis has secondary sexual dimorphism in several measurements, with females being larger than males; sexual dimorphism was not detected in M. levis dinellii. However, we found morphometric differences between the two taxa....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Morphometric; Multivariate analysis; Neotropical Myotis; Southern South America.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000500007

Vascularization of the small intestine in lesser anteaters, Tamandua tetradactyla (Xenarthra: Myrmecophagidae)
Provedor de dados: 103
Autores: Ferreira,Jussara R; Souza,Ana Lúcia R; Mortoza,Amanda R; Rezende,Lorenna C.
The blood supply in the small intestine of seven Tamandua tetradactyla (Linnaeus, 1758), was studied. The method included preparation of the macroscopic collection report, perfusion of the arterial network with water (40ºC), injection of colored latex (Neoprene 650®, 2350-0003 Suvinil® dye), fixation in formaldehyde (10%), and preservation in ethanol (50%). For description and analyzes, dissection under mesoscopic light and photo documentation were performed. The small intestine of T. tetradactyla is irrigated by the cranial mesenteric artery, the ventral visceral branch of the abdominal aorta. The artery emerges from the retroperitoneum and disperses between the layers of the common mesentery, parallel to the caudal mesenteric artery. The primary cranial...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Artery; Digestive system; Mesoscopy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400010

Comparative analysis of the integument of different tree frog species from Ololygon and Scinax genera (Anura: Hylidae)
Provedor de dados: 103
Autores: Silva,Henrique Alencar Meira da; Silva-Soares,Thiago; Brito-Gitirana,Lycia de.
ABSTRACT The integuments of ten treefrog species of two genera from Scinaxnae - O. angrensis (Lutz, 1973), O. flavoguttata (Lutz &amp; Lutz, 1939), O. humilis (Lutz &amp; Lutz, 1954), O. perpusilla (Lutz &amp; Lutz, 1939), O. v-signata (Lutz, 1968), Scinax hayii (Barbour, 1909), S. similis (Cochran, 1952), O. trapicheroi (Lutz &amp; Lutz, 1954) and S. x-signatus (Spix, 1824) - were investigated using conventional and histochemical techniques of light microscopy, and polarized light microscopy. All integuments showed the basic structure of the anuran integument. Moreover, the secretory portions of exocrine glands, such as serous merocrine and apocrine glands, were found to be restricted to the spongious dermis. Lipid content occurred together with the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazilian Atlantic forest; Histochemistry; Hylids; Treefrog.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100327

Embryonic and larval development of the topmouth gudgeon, Pseudorasbora parva (Teleostei: Cyprinidae)
Provedor de dados: 103
Autores: Zhu,Dongmei; Yang,Kun; Sun,Ning; Wang,Weimin; Zhou,Xiaoyun.
ABSTRACT The topmouth gudgeon, Pseudorasbora parva (Temminck &amp; Schlegel, 1842), is a small cyprinid fish that inhabits the littoral zones of freshwater habitats throughout Asia and Europe. It is regarded as an invasive species in Europe, but in its native range, in China, as food and as an environmental bio-indicator. In this study, the embryonic and larval development of P. parva was investigated for the first time. The eggs of P. parva are transparent, adhesive and elliptical. The mean size of fertilized eggs was (1.63×1.31) ± 0.04 mm. From fertilization to hatching, embryonic development could be divided into eight stages and 34 phases, and the incubation period lasted for 109.25 hours at 24 ± 1 °C. Newly hatched larvae were 4.1 ± 3 mm in length,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Embryogenesis; Invasive species; Larval development.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100332

Indirect evidence of predation and intraspecific agression in three sympatric lizard species from a semi-arid area in northeastern Brazil
Provedor de dados: 103
Autores: Passos,Daniel C.; Galdino,Conrado A. B.; Bezerra,Castiele H.; Zanchi,Djan.
We analyzed the frequency of tail autotomy, toe amputation and integument scars in three sympatric lizard species, Ameivula ocellifera, Tropidurus hispidus and T. semitaeniatus, from a Neotropical area of semi-arid Caatinga, in northeastern Brazil. We evaluated intraspecific differences in the frequency of injuries between the sexes within each species. Only in A. ocellifera there were differences in frequency of toe amputation and integument scars between males and females, with more injured females than males. This highest frequency of body injuries in females of A. ocellifera might be attributed to the mating behavior of the species, in which males bite and scratch the females. None of the species analyzed presented intersexual differences in frequency...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Amputation; Autotomy; Caatinga/integument scars; Non-lethal injuries.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400016

Anti-intellectualism in the DNA Barcoding Enterprise
Provedor de dados: 103
Autores: Ebach,Malte C.; Carvalho,Marcelo R. de.
Tipo: Info:eu-repo/semantics/article
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200003

The occurrence of the microcaddisfly Costatrichia (Trichoptera: Hydroptilidae: Hydroptilinae) in Brazil with description of two new species
Provedor de dados: 103
Autores: Santos,Allan Paulo Moreira; Nessimian,Jorge Luiz.
Costatrichia Mosely, 1937 (Leucotrichiini) is for the first time recorded from Brazil. Two new species are described: Costatrichia nelsonferreirai sp. nov. and C. fluminensis sp. nov. from states of Pará and Rio de Janeiro, respectively. Costatrichia nelsonferreirai sp. nov. is similar to C. bipartita Flint, 1970, but can be distinguished from the latter by a pair of ventrolateral bifurcate processes on the posterior margin of male segment VIII. Costatrichia fluminensis sp. nov. is similar to C. simplex Flint, 1970, but the former can be easily distinguished from the latter by a pair of slender lateral processes on the posterior margin of male segment IX and by a spatulate apical process on phallus.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon Forest; Atlantic Forest; Costatrichia nelsonferreirai sp. nov.; Costatrichia fluminensis sp. nov.; Leucotrichiini.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500022

A new species of Cerradomys (Mammalia: Rodentia: Cricetidae) from Central Brazil, with remarks on the taxonomy of the genus
Provedor de dados: 103
Autores: Bonvicino,Cibele R.; Casado,Flávia; Weksler,Marcelo.
Cerradomys is a Neotropical genus of cricetid rodents with seven recognized species, Cerradomys subflavus, C. maracajuensis, C. marinhus, C. scotti, C. langguthi, C. vivoi, and C. goytaca. Species of the genus are distributed throughout the open vegetation belt across South America, from northeastern and southeastern Atlantic coast of Brazil to eastern Paraguay and Western Bolivia. Here we describe a new species of Cerradomys from the state of Tocantins in Central Brazil, based on morphological, karyological and mitochondrial DNA analyses. This species is characterized by a medium body size and long tail, dense dorsal pelage, overall dorsal color gray olive lined with yellow, color of head and dorsum continuous, ventral body color slightly yellowish, skull...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Cerrado; Karyotype; Phylogeny; Sigmodontinae.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000600002

A new species of Diaphorocleidus (Monogenea: Ancyrocephalinae) from the gills of Argonectes robertsi (Characiformes) and new records of dactylogyrids parasitic on fishes from the Xingu River, Amazon Basin, Brazil
Provedor de dados: 103
Autores: Moreira,Juliana; Scholz,Tomáš; Luque,José Luis.
ABSTRACT Diaphorocleidus altamirensis sp. nov., parasitic on the gills of Argonectes robertsi Langeani, 1999 from the Xingu River, northern Brazil, is described. The new species differs from its six congeners by the morphology of the male copulatory organ (which comprises a coil of six rings), by the midventral vagina, and by the presence of only one pair of eyespots. It is the first species of Diaphorocleidus Jogunoori, Kritsky &amp; Venkatanarasaiah, 2004 described from hemiodontid fishes. In addition, new host and geographical records of seven species of dactylogyrids found on fish from the Xingu River are reported.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Dactylogyridae; Hemiodontidae; Monogenea; Neotropics; Xingu River.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000403000

Four new species of Cosmetus from Panama, with comments on the systematics of the genus (Opiliones: Cosmetidae)
Provedor de dados: 103
Autores: Coronato-Ribeiro,Amanda; Pinto-da-Rocha,Ricardo.
ABSTRACT Four new sympatric species of Cosmetus Perty, 1833 are described from "Reserva Natural Privada Burbayar, Provinciar Panamá, Panamá" (male holotypes deposited in MIUP). Cosmetus balboa sp. nov. can be distinguished by the combinations of following features: smooth ocularium, larger distal tubercle on pedipalpal femur, coxa I with large ventral tubercle directed upwards, coxa IV with one large dorsoproximal tubercle, two geminate (from base) dorsoapical tubercles with blunt apex. Cosmetus burbayar sp. nov., can be distinguished from other species of the genus by the irregular and discontinuous shape of its yellow spot, extending from lateral anterior to posterior margins and invading prosoma, areas I-III and free tergites. Cosmetus pollera sp. nov....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cosmetinae; Harvestmen; Systematics; Taxonomy.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500409

Identification key to the Gerridae (Insecta: Heteroptera: Gerromorpha) from the Amazon River floodplain, Brazil, with new records for the Brazilian Amazon
Provedor de dados: 103
Autores: Moreira,Felipe F. F.; P. Alecrim,Viviani; Ribeiro,José R. I.; Nessimian,Jorge L.
Eighteen species from seven genera are recorded from the Amazon River floodplain, Brazil. An identification key, diagnoses, drawings, and taxonomic and biological notes are given for these species. The main features used in the identification key and diagnoses are: body and leg segments proportions, coloration patterns, presence and distribution of setae, and modifications of the apical abdominal segments and external genitalia of the male. Based on material collected in the floodplain streams and lakes, Cylindrostethus bassleri Drake, 1952 is recorded for the first time from Brazil, and new municipality records are presented for Brachymetra lata Shaw, 1933, B. shawi Hungerford &amp;amp; Matsuda, 1957, C. erythropus (Herrich-Schäffer, 1850), C. linearis...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aquatic insects; Hemiptera; Neotropics.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200018

Shell morphology of the freshwater snail Gundlachia ticaga (Gastropoda: Ancylidae) from four sites in Ilha Grande, southeastern Brazil
Provedor de dados: 103
Autores: Lacerda,Luiz Eduardo M.; Miyahira,Igor C.; Santos,Sonia B.
The freshwater snail Gundlachia ticaga (Marcus &amp;amp; Marcus, 1962) is widely distributed in Brazil, but its morphology has been poorly studied. We compared the shell morphology of samples from four sites (Vila do Abraão, Vila de Provetá, Parnaioca and Praia do Sul) in Ilha Grande (Angra dos Reis, state of Rio de Janeiro) in order to evaluate differences within and among four populations. We used nine morphometric characters representing shell size and shape. To analyze shell morphology we considered aperture shape, sculpture of teleoconch, apex carving and position. The resulting dataset was correlated by Pearson´s linear correlation and shell differences among populations were tested using ANOVA and Discriminant Function Analysis. The results showed...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Phenotypic plasticity; Freshwater snails; Mollusca; Shell morphology.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300007

Heterogeneity of bird communities in a mosaic of habitats on a restinga ecosystem in southeast Brazil
Provedor de dados: 103
Autores: Gomes,Verônica S. da M.; Vecchi,Maurício B.; Loiselle,Bette A.; Missagia,Caio C.C.; Alves,Maria Alice S.
ABSTRACT Restinga occurs as a narrow band of coastal habitats throughout the Atlantic Forest, although it presents considerable variation in vegetation structure, which likely contributes to heterogeneity in species inhabiting this endangered ecosystem. The goal of this study is to examine how variation in vegetation and abiotic conditions in the restinga ecosystem may contribute to heterogeneity of bird communities in Restinga de Jurubatiba, Brazil. Temperature, relative humidity, and vegetation structure were sampled to characterize four sites (dry forest, flooded forest, open scrub and closed scrub). Birds were sampled using observations, mist-netting and voice recordings. Results indicate that major differences of all variables occur between forest and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Avian community; NDVI; Restinga forest; Scrub; Vegetation structure.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000500600

Thermoregulation and activity pattern of the high-mountain lizard Phymaturus palluma (Tropiduridae) in Chile
Provedor de dados: 103
Autores: Vidal,Marcela A.; Habit,Evelyn; Victoriano,Pedro; González-Gajardo,Angélica; Ortiz,Juan C.
Behavioral and physiological mechanisms of thermoregulation in ectotherms are conditioned by thermal constraints. These mechanisms may be even more restrictive when environmental conditions are unfavorable for individuals, especially when sexual dimorphism segregates the sexes spatially. In order to understand behavioral and physiological regulation mechanisms, we investigated the thermal biology of Phymaturus palluma (Molina, 1782), a sexually size dimorphic, high-mountain lizard that inhabits extreme climatic conditions. P. palluma showed a bimodal activity pattern, a major peak in the morning (11:00-13:30h) and in the afternoon (15:30-18:00 h). The lizards were more active when substrate temperatures were between 25 and 28º C. The highest abundance was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Age classes; Daily activity; Sexual dimorphism.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100003

Observations on food preference of Neotropical land planarians (Platyhelminthes), with emphasis on Obama anthropophila , and their phylogenetic diversification
Provedor de dados: 103
Autores: Cseh,Amanda; Carbayo,Fernando; Froehlich,Eudóxia Maria.
ABSTRACT: The food preference of Obama anthropophila Amaral, Leal-Zanchet &amp; Carbayo, 2015, a species that seems to be spreading across Brazil&amp;#8217;s human-modified environments, was investigated. Extensive experiments led to the conclusion that the generalized diet of this species may have facilitated its dispersal. The analysis of 132 feeding records of 44 geoplaninid species revealed a tendency for closely related species to feed on individuals from similar taxonomic groups, suggesting that in this group behavioral evolution is more conserved than phylogenetic diversification.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Flatworm; Geoplaninae; Predation; Soil fauna.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100302

Diversity and structure of the stomatopod (Crustacea) community on the Amazon continental shelf
Provedor de dados: 103
Autores: Silva,Kátia C. Araújo; Cintra,Israel H. A.; Martins,Déborah E. G.; Abrunhosa,Fernando A.
The present study aimed to characterize the biodiversity of the Stomatopoda species found off the coast of the northern Brazilian states of Amapá and Pará, within the region's Exclusive Economic Zone. Two distinct sectors were surveyed, to the north and to the south of Cape Norte. The specimens were collected during fishery surveys carried out between 1996 and 1998 by the Revizee Program, using bottom shrimp trawl nets. The specimens were identified at the Crustaceans Laboratory of the Center for Research and Management of Fishery Resources of the Northern Coast and the Carcinology Laboratory of the Federal Rural University of Pernambuco. The 189 identified specimens represented Lysiosquilla scabricauda (Lamarck, 1818) (n = 2), Parasquilla meridionalis...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mantis shrimp; Northern coast of Brazil; Revizee Program; Stomatopoda.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200009

Quantitative study of Trichodina heterodentata (Ciliophora: Mobilia) infrapopulations infesting tadpoles of a Brazilian endemic toad Rhinella pombali (Anura: Bufonidae)
Provedor de dados: 103
Autores: Fernandes,Noemi M.; Sartini,Bianca; Dias,Roberto J. P.; D'Agosto,Marta.
In this work we investigated the quantitative aspects of the relationship between Rhinella pombali (Baldissera, Caramaschi &amp;amp; Haddad, 2004) tadpoles and their trichodinid ectoparasites. Specimens were collected from a small stream located at an agricultural area between rainforest fragments in southeastern Brazil. A total of 80 tadpoles were investigated. Trichodina heterodentata Duncan, 1977 was the only trichodinid ciliate species recovered. All tadpoles were naturally infested by T. heterodentata with a mean intensity of 695.14 ± 33.33 trichodinid ciliates per tadpole. A positive correlation was observed between the intensity of the infestation and tadpole weight. Intensity of infestation did not significantly influence mean trichodinid diameter...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anurans; Conservation; Ectoparasites; Parasitism; Trichodinids.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600011

Small-scale experimental contamination with diesel oil does not affect the recolonization of Sargassum (Fucales) fronds by vagile macrofauna
Provedor de dados: 103
Autores: Grande,Henrique; Reis,Marcelo; Jacobucci,Giuliano Buzá.
Coastal regions are subject to various forms of environmental impacts, such as spills of crude oil and associated products, with a wide range of effects on benthic biodiversity. This study characterized the patterns of recolonization of the macrofauna associated with the brown alga Sargassum cymosum(C. Agardh), on fronds contaminated by diesel oil in a small-scale field experiment. We collected 40 fronds of S. cymosum from an algal bed in southeastern Brazil and defaunated each frond by immersion in fresh water. Half of the fronds were then immersed in seawater (control group) and the other half in a mixture of 50% diesel oil and 50% seawater (impacted group). The test fronds were returned to the algal bed, and natural recolonization took place over a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Colonization; Marine macrofauna; Phytal.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000200006

Morphometric changes of Rhodnius neglectus (Hemiptera: Reduviidae): in the transition from sylvatic to laboratory conditions
Provedor de dados: 103
Autores: Gurgel-Gonçalves,Rodrigo; Maeda,Maicon H; Ferreira,Jônatas B.C; Rosa,Aline da F; Cuba,César A.C.
In the present work, we investigated whether it is possible to detect morphometric changes in Rhodnius neglectus Lent, 1954 (a candidate vector of Chagas disease in Central Brazil) populations in the transition from sylvatic to laboratory conditions. We analyzed size and shape variation in wings of sylvatic parents and their laboratory descendents (first, third and fifth generations) using geometric morphometric techniques. Sexual size dimorphism and shape of wings were maintained, but wing size decreased from sylvatic specimens to their laboratory generations. Size variation in R. neglectus should reflect the expected morphometric changes between sylvatic and domestic populations and can be applied to analyze the level of adaptation of R. neglectus to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Laboratory generations; Rhodniini; Size; Triatominae.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500017

The non-indigenous bryozoan Triphyllozoon (Cheilostomata: Phidoloporidae) in the Atlantic: morphology and dispersion on the Brazilian coast
Provedor de dados: 103
Autores: Almeida,Ana C.S.; Souza,Facelucia B.C.; Gordon,Dennis P.; Vieira,Leandro M.
ABSTRACT Bryozoans constitute an important component of marine-fouling communities of anthropogenic substrata. Many species have been reported as exotic or widespread around the world, typically in ports and harbors of non-polar regions. Here we present the first record of a species of the bryozoan Triphyllozoon in the Atlantic Ocean. Triphyllozoon arcuatum (MacGillivray, 1889), described originally from Australia, is reported herein from natural substrata in Singapore and natural and artificial substrata in Brazil. Although easily recognizable, the species has not been previously reported from anywhere else in the Atlantic. In the latter instance, the species was collected during monitoring of the invasive scleractinian corals Tubastraea spp. on an oil...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bioinvasion; Brazil; Bryozoa; Invasive species; Oil platform.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600476

Hiding in plain sight: an evolutionary approach to the South American Zika outbreak and its future consequences
Provedor de dados: 103
Autores: Apari,Péter; Bajer,Katalin; Brooks,Daniel R.; Molnár,Orsolya.
ABSTRACT Emerging Infectious Diseases (EID) pose a world-wide health and socio-economic threat. Accelerating climate change and globalization are exposing unforeseen ways that pathogens cope with their surroundings. The 2015 Zika virus (ZIKV) outbreak was an example of expansion into previously inaccessible fitness spaces, causing a sudden epidemic. Recent studies indicating the subsequent decrease in symptomatic cases means the virus is in remission, currently poses little threat, and therefore can be ignored. We present an evolutionary scenario derived from the Stockholm Paradigm, of oscillating phases of expansion and isolation, accompanied by changes in transmission, persistence, virulence, and pathology. Chief among these is the likelihood that...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Emerging Infectious Disease; Outbreaks; Stockholm Paradigm; Zika virus.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100101

On the identity of the type species of Actinopus tarsalis (Araneae: Actinopodidae)
Provedor de dados: 103
Autores: Miglio,Laura T.; Lucas,Sylvia M.; Bonaldo,Alexandre B.
The type species of the Neotropical Actinopus, A. tarsalis Perty, 1833, is redescribed based on material from the type locality, the state of Piauí, Brazil. The species appears to be restricted to northeastern Brazil and is newly recorded from the state of Sergipe. An old record from the state of Rio Grande do Sul is rejected. Actinopus tarsalis differs from other species of the genus by details of the male copulatory bulb: tegular apophysis absent, robust embolar base, inserted basally at a right angle (90°); embolar apices apex flattened and expanded, arrow-shaped in dorsal view.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arachnida; Morphology; Mygalomorphae; Neotropical Region; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000400009

Downstream passage of fish larvae and eggs through a small-sized reservoir, Mucuri river, Brazil
Provedor de dados: 103
Autores: Pompeu,Paulo S.; Nogueira,Lorena B.; Godinho,Hugo P.; Martinez,Carlos B.
In South America, one important symptom of the failure of fish passages to sustain fish migratory recruitment is the inability of eggs and larvae to reach the nurseries. This is especially so when the breeding areas are located upstream of a reservoir, and the floodplain is downstream of the dam. Therefore, the transport of fish larvae and eggs across reservoir barriers is a key factor in the development of effective conservation strategies. In this paper, we evaluate the potential for migratory fish larvae and egg transportation across a small size reservoir in eastern Brazil. We sampled fish daily between 15th October 2002 and 15th February 2003 (spawning period) in the Mucuri River, immediately upstream of the reservoir and downstream of the Santa Clara...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Conservation; Downstream passage; Drift larvae; Migratory fish; Reservoir management.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600006

Changes in wild bee fauna of a grassland in Brazil reveal negative effects associated with growing urbanization during the last 40 years
Provedor de dados: 103
Autores: Martins,Aline C.; Gonçalves,Rodrigo B.; Melo,Gabriel A. R.
Bee fauna and associated flora from a grassland site in Brazil, surveyed 40 and 20 years ago, were newly surveyed with comparable methodology to evaluate changes in the bee fauna of this site, considering that human population and urbanization has exponentially increased in the last 40 years. In general, bee species richness has declined in 22%, as well as their abundance. Some of the previously abundant species are now absent, including Bombus bellicosus Smith, 1879, Gaesischia fulgurans (Holmberg, 1903) and Thectochlora basiatra (Strand, 1910). No particular trend of differential decrease among either taxonomic or functional groups was observed, except for a minor increase in the proportion of oligolectic species and a 50% reduction in the number of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Apidae; Apoidea; Habitat fragmentation; Pollinators; Species richness; Urban environments.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200006

A new species of Seira (Collembola: Entomobryidae: Seirini) from Northern Brazil, with the addition of new chaetotaxic characters
Provedor de dados: 103
Autores: Cipola,Nikolas Gioia; Morais,José Wellington de; Bellini,Bruno Cavalcante.
Seira caerucinerea sp. nov. , a new species of springtail from the Cerrado domain, state of Tocantins, Brazil, is described and illustrated. The new species is mainly characterized by bluish-gray coloration and dorsal chaetotaxy presenting macrochaeta S7 on head, three macrochaetae (a6, m6 and p6) on margin of metathorax and 4+4 macrochaetae (a1, m2, m3 and m4i) on abdomen I. Characteristics of maxillary and labial papillae, chaetotaxy of subcoxae, collophore, ventral region of head, ventral and lateral region of abdomen IV and V, which are usually omitted in species descriptions within the genus, are also provided. This is the first species of Seira described from the Cerrado domain, as well as the first record of the genus from the state of Tocantins.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Cerrado; Seirinae; Taxonomy; Tocantins.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500009

Review and phylogeny of Lutzsimulium (Diptera: Simuliidae)
Provedor de dados: 103
Autores: Gil-Azevedo,Leonardo H.
Lutzsimulium d'Andretta Jr &amp;amp; Vulcano, 1947 is an enigmatic South American genus with four species: L. flavopubescens Lutz, 1910, L. hirticosta Lutz, 1909, L. pernigrum Lutz, 1910 and L. simplicicolor Lutz, 1910. It can be diagnosed by median arms of furcasternum with projections; subbasal tooth of the claw reduced; wing basal cell absent; spermatheca with net-like structure; apex of trichomes coiled (pupa); gill with two main trunks (pupa); antennomere 3 equal to or longer than 1+2 (larva); hypostomal teeth reduced (larva); postgenal cleft deep (larva). A morphological cladistic analysis under equal weights, with the four Lutzsimulium species and six outgroups, resulted in two most parsimonious trees, with 81 steps, CI = 0.61 and RI = 0.68. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Argentina; Black-fly; Brazil; Cladistics; Culicomorpha; Insecta; Neotropical Region; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500014

Susanlimae ianwhittingtoni gen. nov., sp. nov. (Monogenoidea: Dactylogyridae), a dweller of the gill rakers of Pseudeutropius moolenburghae (Siluriformes: Schilbeidae) from Sumatra
Provedor de dados: 103
Autores: Boeger,Walter A.; Pariselle,Antoine; Patella,Luciana.
ABSTRACT A new genus and species of Monogenoidea, Susanlimae ianwhittingtoni gen. nov., sp. nov., are proposed for dactylogyrids collected from the "Nuayang tipis", Pseudeutropius moolenburghae Weber &amp; de Beaufort, 1913, which inhabits freshwater in Sumatra. While clearly a member of a putative clade that includes Asian and African catfish parasites, S. ianwhittingtoni sp. nov. differs from most members of this clade by having a bifurcated haptor that embraces the gill rakers of its host. This haptoral morphology and mode of attachment also occur in species of Bifurcohaptor Jain, 1958. However, species of Susanlimae gen. nov. are easily distinguished by the comparative morphology of their haptoral armature. In Susanlimae gen. nov., the ventral and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Catfish; Dactylogyridea; Ectoparasite; Platyhelminthes; Polyonchoinea.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600532

Description of the first species of Metharpinia (Crustacea: Amphipoda: Phoxocephalidae) from Brazil
Provedor de dados: 103
Autores: Andrade,Luiz F.; Johnsson,Rodrigo; Senna,André R.
A new amphipod species of Metharpinia Schellenberg, 1931 is described from Campos Basin, southeastern Brazilian coast. The material was collected with van Veen grab from unconsolidated substratum, off the mouth of the Paraíba do Sul River. The new species can be distinguished from its congeners by presenting a strongly constricted rostrum and a slender palp of maxilla 1. There are four species in Metharpinia from the South Atlantic: M. dentiurosoma Alonso de Pina, 2003, M. grandirama Alonso de Pina, 2003 and M. iado Alonso de Pina, 2003, and Metharpinia taylorae sp. nov. This is the first record of a species of the genus from Brazilian waters.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphipod; Campos Basin; Habitats Project; Metharpinia taylorae sp. nov.; Taxonomy.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100033

Review of thirty-two years of toothed whale strandings in Santa Catarina, southern Brazil (Cetacea: Odontoceti)
Provedor de dados: 103
Autores: Vianna,Thaís dos S.; Loch,Carolina; Castilho,Pedro V. de; Gaidzinski,Morgana C.; Cremer,Marta J.; Simões-Lopes,Paulo C.
ABSTRACT Marine mammal strandings provide valuable insights into local biodiversity. Strandings can be caused by both natural and anthropogenic factors. In the state of Santa Catarina, Southern Brazil, organized marine mammal collections started in the 1980s through opportunistic and non-systematic collection efforts, representing a record of over 30 years of marine biodiversity. This study aimed to perform a preliminary review of 32 years of stranding records within this region. The secondary aim was to elucidate the stranding dynamics of the three most commonly recorded species. A total of 460 records were obtained, representing 17 species of odontocetes. The species registered most frequently were the franciscana, Pontoporia blainvillei (Gervais &amp;...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bycatch; Marine mammals; Pontoporia blainvillei; Sotalia guianensis; Tursiops truncatus.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000500601

Ecological and reproductive aspects of Aparasphenodon brunoi (Anura: Hylidae) in an ombrophilous forest area of the Atlantic Rainforest Biome, Brazil
Provedor de dados: 103
Autores: Gomez-Mesa,Laura; Pereira-Ribeiro,Juliane; Ferreguetti,Atilla C.; Almeida-Santos,Marlon; Bergallo,Helena G.; Rocha,Carlos F. D.
ABSTRACT Presented is the first information on the ecological and reproductive aspects of the treefrog, Aparasphenodon brunoi Miranda-Ribeiro, 1920, living in ombrophilous forest areas of the Atlantic Rainforest, Brazil. We recorded the species’ daily activity and over the course of a year, population density during the year, microhabitat usage, diet, and some reproductive features (quantity, diameter and mean mass of oocytes, mean reproductive effort of female). Field sampling was conducted monthly from June 2015 to July 2016. Searches for treefrogs were systematic, using visual encounter surveys along 14 plots RAPELD long term research modules established in the forest. For each captured individual, we recorded the hour, microhabitat used, and perch...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Casque-headed frog; Ecological aspects; Ecology; Habitat use.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100325

Population ecology of small rodents and marsupials in a semi-deciduous tropical forest of the southeast Pantanal, Brazil
Provedor de dados: 103
Autores: Andreazzi,Cecilia S. de; Rademaker,Vitor; Gentile,Rosana; Herrera,Heitor M.; Jansen,Ana M.; D'Andrea,Paulo S.
The Pantanal is a South American biome characterized by extensive plains and stark environmental seasonality. Several habitats are subject to annual flooding, forcing small mammal species to aggregate in dry forest patches, which most likely influences their population dynamics and life history strategies. In order to investigate the seasonal influence on the life history traits of these small mammals, we conducted a 2-year mark-recapture study in the southeastern region of the Brazilian Pantanal (Nhecolândia) and analyzed the population dynamics of the most abundant small mammal species with the jackknife estimator. A trapping effort of 21,560 trap-nights resulted in 615 individuals in 1,171 captures (success = 5.43%). Three species of rodents - Oecomys...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Gracilinanus agilis; Oecomys mamorae; Population dynamics; Seasonality; Small mammal; Thrichomys pachyurus.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600009

Optimal foraging or predator avoidance: why does the Amazon spider Hingstepeira folisecens (Araneae: Araneidae) adopt alternative foraging behaviors?
Provedor de dados: 103
Autores: Rito,Kátia F.; Hanashiro,Fabio T.T.; Peixoto,Paulo E.C.; Gonzaga,Marcelo O.
ABSTRACT Strategies that increase foraging efficiency may also increase predation risk. We investigated how individuals of Hingstepeira folisecens Hingston, 1932, which build shelters at the orb hub, modulate their foraging behaviors in response to the trade-off between capturing prey and becoming exposed by leaving their shelters. We evaluated whether the position of the prey on the web alters the frequency at which spiders leave their shelters. Hingstepeira folisecens spiders were more likely to capture prey positioned below than above the entrance of the shelter. Moreover, when the prey was near the entrance of the shelter, the spider pulled the threads with the entangled prey without leaving the shelter. Conversely, when the prey was distant from the...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Orb-web spiders; Prey selection; Silk investment.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000304001

New species of beaked toad, Rhinella (Anura: Bufonidae), from the State of Bahia, Brazil
Provedor de dados: 103
Autores: Caramaschi,Ulisses.
A new species of beaked toad, Rhinella, is described from Itacaré (14°17'S, 38°60'W; 13 m altitude), State of Bahia, Northeastern Brazil. Rhinella skuki sp. nov. is related to R. boulengeri and distinguished by the size small (SVL 26.2 mm in male); head longer than wide; snout, viewed from above, long, narrow, spatulate, with lateral borders parallel and rounded tip; in profile, long, strongly acute; parotoid glands large, rounded; tympanum concealed; dorsum rugose, with rounded tubercles uniformly distributed; vocal sac and vocal slits absent; fingers slender, not webbed nor ridged; first finger hypertrophied, with a rounded nuptial pad on the inner surface; toes slender, slightly fringed; webbing absent; ground color of dorsal surfaces dark brownish gray...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibia; Northeastern Brazil; Rhinella skuki sp. nov.; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000400007

Description and molecular characterization of a new species of tarantula, Pamphobeteus verdolaga , from Colombia (Araneae: Mygalomorphae: Theraphosidae)
Provedor de dados: 103
Autores: Cifuentes,Yeimy; Estrada-Gomez,Sebastián; Vargas-Muñoz,Leidy Johana; Perafán,Carlos.
ABSTRACT A new species of Pamphobeteus Pocock, 1901, is described from the Colombian Andes, Medellín, Antioquia. The biochemistry and molecular characteristics of the venom of this new species (previously identified as Pamphobeteus aff. nigricolor ) has been already described. A detailed taxonomic study, comparing this species with holotypes and additional material of Pamphobeteus species, allowed us to recognize it as new, and to describe it here as Pamphobeteus verdolaga sp. nov. The male of P. verdolaga sp. nov. is distinguished by the palpal bulb with broad embolus, poorly developed apical keel (A), prolateral inferior keel (PI) and prolateral accessory keel (PAc) present but poorly developed, and retrolateral keel (R) of similar length as A. Females...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: CO1 sequence; Medellín; Neotropical; Theraphosinae.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000603008

Review of the Brazilian Atlantic Rainforest harvestman Longiperna (Opiliones: Gonyleptidae: Mitobatinae)
Provedor de dados: 103
Autores: Pinto-da-Rocha,Ricardo; Bragagnolo,Cibele.
Longiperna Roewer, 1929 is revised and new records of distribution are presented for the Brazilian Costal Atlantic Rain Forest (from Rio de Janeiro to Santa Catarina states). The following new synonymies are established: Longiperna concolor (Mello-Leitão, 1923) = L. zonata Mello-Leitão, 1935 and L. heliaca B. Soares, 1942; Longiperna coxalis (Roewer, 1943) = L. areolata B. Soares, 1944; Longiperna insperata (Soares &amp;amp; Soares, 1947) = L. paranensis Soares &amp;amp; Soares, 1947 and L. curitibana Kury, 2003. Two new species are described: Longiperna kuryi sp. nov. (type-locality: Brazil, Rio de Janeiro, Parati); Longiperna trembao sp. nov. (type-locality: Brazil, Minas Gerais, Belo Horizonte).
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Harvestmen; Taxonomy; Geographic distribuition.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600023

Effects of rainfall on bird reproduction in a semi-arid Neotropical region
Provedor de dados: 103
Autores: Cavalcanti,Liana Monique Paiva; Paiva,Luciana Vieira de; França,Leonardo Fernandes.
ABSTRACT In semi-arid ecosystems, birds commonly use rainfall as a reliable environmental cue to adjust the timing and strength of their reproductive activity. Here we evaluate this hypothesis for a community of birds in the Caatinga (the semi-arid region of northeastern Brazil), using brood patch information and nest abundance. Sampling occurred every 14 days between September 2012 and August 2013 (brood patch), and every three or four days during the reproductive period (nests). Abundance of brood patches and nests were correlated, and all brood patches were recorded between March and July (4.5 to 5.0 months). We recorded three peaks of brood patch abundance: the first 28 days after the first rains, the second 14 days after the second rainfall peak, and...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Breeding period; Brood patches; Caatinga; Nests.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000604000

A new fossil subfamily of Bethylidae (Hymenoptera) from the Early Cretaceous Lebanese amber and its phylogenetic position
Provedor de dados: 103
Autores: Azevedo,Celso O.; Azar,Dany.
A new subfamily, a new genus and a new species of Bethylidae are described and illustrated from a single individual in Early Cretaceous amber from central Lebanon. Lancepyrinae subfam. nov. represented by Lancepyris opertus gen. and sp. nov. present a mosaic of features common among several bethylid subfamilies. The new taxon is easily distinguished from related taxa mainly by the forewing venation, which has an unusual combination of closed lanceolate marginal cell, Rs+M tubular and well pigmented and M+RS angled. Phylogenetic analysis including indicates that Lancepyris opertus gen. and sp. nov. is a sister group of all subfamilies that have Coleoptera as hosts. A checklist of the 45 known fossil bethylid species is provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Lancepyris; Lower Cretaceous; Mesozoic; New genus; New species.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000300004

Avaliação dos problemas enfrentados no manejo do caramujo gigante africano Achatina fulica (Gastropoda: Pulmonata) no Brasil
Provedor de dados: 103
Autores: Colley,Eduardo; Fischer,Marta Luciane.
The giant African snail Achatina fulica Bowdich, 1822 was introduced into Paraná, Brazil, in the 1980s. Since then, it has spread across the country, despite its known invasive status on a global scale. The main objective of this study was to assess the problems faced in the management of the giant African snail. To accomplish that, we gathered and analyzed information available on the internet, scientific databases, field studies, as well as interviews and consultations with official agencies, NGOs, museums, the scientific community and people that coexist with the species. Despite the fact that extensive information has been generated regarding A. fulica (1,340 articles, 65 summaries in national annals, 40,700 pages on the internet), essential to promote...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biological invasions; Control; Economic; Environmental; Impacts; Invasive exotic species; Health.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400012

Archaeozoology of marine mollusks from Sambaqui da Tarioba, Rio das Ostras, Rio de Janeiro, Brazil
Provedor de dados: 103
Autores: Souza,Rosa C. C. L. de; Trindade,Denise C.; Decco,Juber de; Lima,Tania A.; Silva,Edson P.
A reference inventory of prehistoric marine mollusks from the Rio das Ostras region was created based on an excavation carried out at the Sambaqui da Tarioba shellmound. Patterns of richness and biogeography were studied, and the representativeness of bivalve and gastropod diversities found at this archaeological site were inferred. A total of 47 taxa belonging to 28 families, most of which from unconsolidated substrates, was identified. The shellmound species composition does not differ from the present-day composition. All recorded species are characteristic of a wide transition zone between the south of the states of Espírito Santo (21°S) and Rio Grande do Sul (32°S). Thus, the data show little evidence of evolution in the composition, richness,and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Bivalves; Gastropods; Shellmound.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300007

Use of food resources and resource partitioning among five syntopic species of Hypostomus (Teleostei: Loricariidae) in an Atlantic Forest river in southern Brazil
Provedor de dados: 103
Autores: Abilhoa,Vinicius; Valduga,Marcos O.; Frehse,Fabricio de A.; Vitule,Jean R.S.
ABSTRACT We analyzed the diet and resource partitioning among five syntopic species of Hypostomus Lacépède, 1803 in the Corumbataí River in southeastern Brazil. The gut contents of 352 individuals were assessed and 21 food items were identified and quantified under an optical microscope. The food items found in the gut contents indicate that these suckermouth loricariids are bottom-dwelling detritivorous/periphytivorous catfishes. PERMANOVA and SIMPER analyses indicated variation in the consumption of some resources, and the contribution of periphytic algae was primarily responsible for such dissimilarity. ECOSIM analyses of dietary overlap showed evidence of resource sharing among all species in the dry and rainy periods. This is most likely the result of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Armoured catfish; Feeding; Food overlap; Periphyton; Siluriformes.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000600700

The influence of thymol+DMSO on survival, growth and reproduction of Bradybaena similaris (Mollusca: Bradybaenidae)
Provedor de dados: 103
Autores: Ferreira,Paula; Soares,Geraldo L. G.; D'ávila,Sthefane; Bessa,Elisabeth C. de Almeida.
Bradybaena similaris (Férussac, 1821), commonly known as the Asian trampsnail, is a terrestrial snail native to Asia, introduced in other regions of the world. In Brazil, populations of this land snail are distributed from the state of Amapá in the North to Rio Grande do Sul in the South. This species acts as an intermediate host for parasites and is a difficult-to-control agricultural pest as well, causing great losses to crops and ornamental plant cultivation. This land snail is easily reared in the laboratory and has been successfully used as a biological model in studies that aim at verifying molluscicidal effects of plant extracts. Several studies have demonstrated that B. similaris, like many other species of land and freshwater snails, is...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Control; Molluscicide; Monoterpene; Terrestrial snail.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200001

Detection of introduced sessile species on the near shore continental shelf in southern Brazil
Provedor de dados: 103
Autores: Bumbeer,Janaína de Araújo; Rocha,Rosana Moreira da.
Invasion by marine species, often considered a grave threat to marine ecosystems, occurs throughout the world as a consequence of many anthropogenic activities. In coastal Paraná, many factors including shipping, aquaculture and the use of artificial substrates provide suitable environments for the establishment and rapid spread of introduced marine species. To better understand this process, the encrusting community was studied on polyethylene plates (n = 120, 10 x 10 cm) that were placed seasonally at fixed locations on the inner continental shelf to detect non-native species. Of the 62 taxa found, 40 were identified to species, 14 of which were native, 9 introduced and 17 cryptogenic. We found a new introduction while most introduced species were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Artificial substrate; Biofouling; Marine bioinvasion; Sublittoral.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000200005

The immature stages of Labrundinia tenata (Diptera: Chironomidae: Tanypodinae) and redescription of the male
Provedor de dados: 103
Autores: Silva,Fabio Laurindo da; Gessner,Alaide Aparecida Fonseca.
The immature stages of Labrundinia tenata Roback, 1987 (Diptera: Chironomidae: Tanypodinae) are described and illustrated and the male is redescribed. Larvae were collected in aquatic systems in southeastern Brazil, where they are associated with aquatic macrophytes. The three semaphoronts of L. tenata are recognized: (a) Male by the abdominal segments I pale brown, II-VI with brown transverse band along proximal margin, VII, VIII almost wholly brown; hypopygium brown; anterior margin of sternapodeme rounded, no distinct spur. (b) Pupa by the thoracic horn S-shaped and a shallow preapical groove; abdominal segment VII with two lateral setae. (c) Larva with posteroventral spine group; posterior parapod with single elongate claw serrated on inner margin and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Neotropical; Pentaneurini; Taxonomy.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300018

Invasion process of Limnoperna fortunei (Bivalvia: Mytilidae): the case of Uruguay River and emissaries of the Esteros del Iberá Wetland, Argentina
Provedor de dados: 103
Autores: Darrigran,Gustavo; Damborenea,Cristina; Drago,Edmundo C.; Ezcurra de Drago,Inés; Paira,Aldo; Archuby,Fernando.
Limnoperna fortunei (Dunker, 1857), during its invasion process in South America, has caused severe impacts both on natural environments altering native biodiversity, ecosystem structure and function-, and on man-made structures causing economic looses. Twenty-one samples were taken from the right bank of the Uruguay River, from tributaries of the Uruguay and Paraná Rivers, the drainage of the Esteros del Ibera Wetland. Based on this fieldwork, the presence of larvae and adults of L. fortunei was determined. Also, through the comparison of environmental characteristic with the known tolerance limits for the species, the possibility of its establishment in environments not yet invaded was determined. Most of the sampling stations have features that allow...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bioinvasion; Distribution; Golden mussel; South America; Wetland.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000600004

How specialists can be generalists: resolving the "parasite paradox" and implications for emerging infectious disease
Provedor de dados: 103
Autores: Agosta,Salvatore J.; Janz,Niklas; Brooks,Daniel R.
The parasite paradox arises from the dual observations that parasites (broadly construed, including phytophagous insects) are resource specialists with restricted host ranges, and yet shifts onto relatively unrelated hosts are common in the phylogenetic diversification of parasite lineages and directly observable in ecological time. We synthesize the emerging solution to this paradox: phenotypic flexibility and phylogenetic conservatism in traits related to resource use, grouped under the term ecological fitting, provide substantial opportunities for rapid host switching in changing environments, in the absence of the evolution of novel host-utilization capabilities. We discuss mechanisms behind ecological fitting, its implications for defining specialists...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Climate change; Coevolution; Ecological fitting; Host shift; Plant-insect interactions; Sloppy fitness.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200001

Taxonomic Catalog of the Brazilian Fauna: order Trichoptera (Insecta), diversity and distribution
Provedor de dados: 103
Autores: Santos,Allan P.M.; Dumas,Leandro L.; Henriques-Oliveira,Ana L.; Souza,W. Rafael M.; Camargos,Lucas M.; Calor,Adolfo R.; Pes,Ana M.O.
ABSTRACT Caddisflies are a highly diverse group of aquatic insects, particularly in the Neotropical region where there is a high number of endemic taxa. Based on taxonomic contributions published until August 2019, a total of 796 caddisfly species have been recorded from Brazil. Taxonomic data about Brazilian caddisflies are currently open access at the “Catálogo Taxonômico da Fauna do Brasil” website (CTFB), an on-line database with taxonomic information on the animal species occurring in Brazil. The order Trichoptera at CTFB includes a catalog of species recorded for the country, with synonymic lists, distribution throughout six biomes, 12 hydrographic regions, and 27 political states (including Federal District) from Brazil. The database is constantly...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caddisfly; Aquatic insect; Taxonomy; Biodiversity; Neotropics.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100317

Histology, histochemistry and fine structure of the Harderian gland, lacrimal gland and superficial gland of the third eyelid of the European bison, Bison bonasus bonasus (Artiodactyla: Bovidae)
Provedor de dados: 103
Autores: Klećkowska-Nawrot,Joanna; Nowaczyk,Renata; Gozdźiewska-Harłajczuk,Karolina; Szara,Tomasz; Olbrych,Katarzyna.
ABSTRACT The macroscopic anatomy and the microscopic and ultrastructural features of the Harderian gland (HG), lacrimal gland (LG) and superficial gland of the third eyelid (SGTE) of the adult European bison are described. In addition, morphometric studies were conducted and were followed by statistical analysis of the results. Tissue sections were stained with hematoxylin and eosin, methyl green-pyronin Y, periodic acid-Schiff, Alcian blue pH 2.5, aldehyde fuchsin and Hale's dialysed iron. Analysis of the staining showed that the HG has a multilobular tubuloalveolar structure with mixed secretion. The LG and the SGTE have a multilobar tubuloacinar structure with serous secretion in the LG and mucoserous in the SGTE. The TEM study demonstrates that the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Accessory organs of the eye; European bison; Morphology.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500380

DNA barcoding of a tropical anguillid eel, Anguilla bicolor (Actinopterygii: Anguilliformes), in Indo-Pacific region and notes on its population structure
Provedor de dados: 103
Autores: Norarfan,Ahmad Fathi; Mokti,Siti Shazwani Azreena; Taha,Hussein; Amin,Muhamad; Ali,Muhamad; Arai,Takaomi.
ABSTRACT The tropical anguillid eel, Anguilla bicolor McCelland, 1844, includes two subspecies, Anguilla bicolor bicolor McCelland, 1844 and Anguilla bicolor pacifica Schmidt, 1928, and is distributed across the Indo-Pacific region. Although A. bicolor is widely distributed and recognized as an important fish resource in the Indo-Pacific region, few studies have been conducted on its genetic variation and population structure. DNA barcoding of A. bicolor specimens collected in the Indo-Pacific region was carried out in this study using mitochondrial cytochrome c oxidase subunit I. Anguilla bicolor was found to diverge genetically, which supported its classification into two different subspecies. In addition, our study showed that A. bicolor bicolor had two...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Anguillid eel; Haplotype network; Molecular phylogeny; Tropical species.
Ano: 2021
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702021000100501

Relative growth, sexual dimorphism and morphometric maturity of Trichodactylus fluviatilis (Decapoda: Brachyura: Trichodactylidae) from Santa Terezinha, Bahia, Brazil
Provedor de dados: 103
Autores: Silva,Tiago Rozário da; Rocha,Sérgio Schwarz da; Costa Neto,Eraldo Medeiros.
Freshwater crabs are important elements in the aquatic biota of brooks, rivers, lakes and ponds, from both ecological and the socio-economic aspects. Trichodactylidae comprises 51 endemic species from the Neotropical region. Among all the species of this family, Trichodactylus fluviatilis Latreille, 1828 has the widest geographic distribution throughout Brazil. Despite that, there are few published contributions on the biology of this species. The present study investigated the following aspects of T. fluviatilis: relative growth, mean size at onset of morphometric maturity, sexual dimorphism, laterality and heterochely. Specimens were collected monthly from September 2010 through August 2011, from the Velha Eugênia Brook, municipality of Santa Teresinha,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Allometry; Chelipeds; Crabs; Maturity size; Serra da Jibóia.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000100003

Comunidade de abelhas nativas (Apidae) em Floresta Ombrófila Densa Montana em Santa Catarina
Provedor de dados: 103
Autores: Mouga,Denise M.D.S.; Krug,Cristiane.
This study evaluated the bee community and their associated melliferous plants in the northern region of the state of Santa Catarina, Brazil in order to ascertain the diversity and floral interactions of the local Apidae. Twelve samplings were conducted (April 2006 to March 2007) in transects, where nets were used to capture bees directly from their flowers. Voucher specimens for both bees and plants were deposited at UNIVILLE. Diversity and equitability indexes were calculated. Our sampling effort resulted in a total of 934 bees in 72 genera and five families. Forty-four plant species belonging to 19 families were visited. A dominant family in Southern Brazil, Asteraceae, was visited most often (50% of the taxa). Nearly 20% of the plants were visited by...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Apifauna; Conservation; Community structure.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100011

Isospora machadoae sp. nov. (Protozoa: Apicomplexa: Eimeriidae), a new coccidian species from white-necked thrushes Turdus albicolis (Passeriformes: Turdidae) of South America
Provedor de dados: 103
Autores: Pinho,Irlane F. de; Silva,Lidiane M. da; Rodrigues,Mariana B.; Lopes,Bruno do B.; Oliveira,Mariana S.; Luz,Hermes R.; Ferreira,Ildemar; Lopes,Carlos Wilson G.; Berto,Bruno P.
ABSTRACT A new coccidian species parasitizing white-necked thrushes Turdus albicollis Vieillot, 1818 is described from the Parque Nacional do Itatiaia, in Southeastern Brazil. Isospora machadoae sp. nov. has oocysts that are sub-spherical, 22.2 × 21.2 µm, with bilayered wall, ~1.3 μm thick. Outer layer is rough with micropyle and micropyle cap. Oocyst residuum is absent, but one or two polar granules are present. Sporocysts are ellipsoidal, 13.3 × 9.7 µm. The Stieda body is flattened to half-moon-shaped and substieda body rounded. Sporocyst residuum is present, composed of scattered spherules of different sizes. Sporozoites are vermiform with a refractile body and a nucleus. These parasitized thrushes had no apparent clinical signs of coccidiosis or high...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Taxonomy; Coccidia; Oocysts; Wild birds; Parque Nacional do Itatiaia.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100309

Ultrastructure of the dermal chromatophores in the Fringe-toed lizard, Acanthodactylus orientalis
Provedor de dados: 103
Autores: Paray,Bilal A.; Al-Sadoon,Mohammed K.
ABSTRACT Histology and electron microscopic studies of the dorsal skin of the Fringe-toed lizard, Acanthodactylus orientalis Angel, 1936, showed three types of dermal chromatophores: xanthophores, iridophores and melanophores. These pigment cells were observed in vertical combination, with an uppermost layer of xanthophores, an intermediate layer of iridophores and a basal layer of melanophores. The ultrastructure of the melanophore is characterized by oval nucleus and numerous pigment granules, the melanosomes of different stages that remain scattered in the cytoplasm. The chromatophores of this species contain significant information of anatomical similarity with lower as well as higher vertebrates. They can help to better understand the inter...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Histology; Xanthophores; Lridophores; Melanosomes; Anatomical significance.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100301

On the identity of Chauliognathus flavipes (Coleoptera: Cantharidae): revision of type specimens, new synonyms and new status
Provedor de dados: 103
Autores: Biffi,Gabriel.
ABSTRACT The identity, taxonomic history, type series and synonyms of Chauliognathus flavipes (Fabricius, 1781), C. fallax (Germar, 1823), C. axillaris (Fischer von Waldheim, 1823) and C. basalis Lacordaire, 1857 are herein discussed. Twenty-five new synonyms are proposed for C. flavipes , with designation of lectotypes: C. fallax var. atrofasciata Pic, 1925 syn. nov., C. fallax var. basireducta Pic, 1925 syn. nov., C. fallax var. concolor Pic, 1927 syn. nov., C. fallax var. medioreducta Pic, 1928 syn. nov., C. fallax var. edmondi Pic, 1948 syn. nov., C. fallax var. petri Pic, 1948 syn. nov., C. fallax var. henrici Pic, 1948 syn. nov., C. fallax var. reductemaculata Pic, 1949 syn. nov., C. plagiatus Blanchard, 1844 syn. nov., C. plagiatus var. latejuncta...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Description; Distribution; Maurice Pic; Taxonomy; Variety.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000603006

Plectoplebeia, a new Neotropical genus of stingless bees (Hymenoptera: Apidae)
Provedor de dados: 103
Autores: Melo,Gabriel A.R.
ABSTRACT A new stingless bee genus, Plectoplebeia gen. nov., is proposed to accommodate a peculiar Neotropical species currently placed in Plebeia Schwarz, 1938. The brief, but convoluted taxonomic history of its type species, Trigona nigrifacies Friese, 1900, is documented, with Trigona (Plebeia ) intermedia Wille, 1960 being placed as its junior synonym. Plectoplebeia gen. nov. resembles an enlarged species of Plebeia , differing by its larger body size, wider distance between the clypeus and the eye, presence of a shallow depression on the frons above the antennal sockets, coarser punctures on the head and mesosoma, a shorter, convex scutellum, an elongate propodeum and metapostnotum, long wings, with a higher number of hamuli, and by an elongate...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bolivia; Meliponini; Peru; Taxonomy; Yungas.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000103004

Life cycle of Poratia salvator (Diplopoda: Polydesmida: Pyrgodesmidae)
Provedor de dados: 103
Autores: Pinheiro,Tamaris G.; Marques,Marinêz I.; Battirola,Leandro D.
Even though millipedes display high plasticity in their reproductive strategies, they are poorly studied in the tropical region. The present study describes the biological cycle and reports the parthenogenetic reproduction of Poratia salvator Golovatch &amp;amp; Sierwald, 2000 under environmental conditions. Collections were carried out in Pantanal of Mato Grosso and in Várzea Grande, state of Mato Grosso, Brazil. The individuals were kept at room temperature in individual plastic pots. All 18 females used in the experiment reproduced parthenogenetically, resulting in a total of 699 young individuals. Of these, 18% survived until the adult phase. The lowest survival rate of P. salvator was recorded for the first developmental stage (46%). The mean duration...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Life history; Mato Grosso; Millipedes; Parthenogenesis; Reproduction.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400010

Composition of the diet of Netta peposaca (Birds: Anseriformes) in Santa Fe province, Argentina
Provedor de dados: 103
Autores: Olguín,Pamela F.; Attademo,Andrés M.; Beltzer,Adolfo H.; Virgolini,Ana L. Ronchi; Lorenzón,Rodrigo; Caselli,Andrea; Arce,Sofía; Percara,Alejandro.
We examined the diet of the Rosy-billed Pochard, Netta peposaca (Vieillot, 1816), (n = 59) during the autumn of 2010 in Santa Fe province, Argentina. Were analyzed a total of 59 ducks (n = 37 females and n = 22 males) to assess their gastrointestinal contents. The trophic spectrum was composed of 16 taxa (plant fraction: animal fraction 9 and 7). The contribution of each food category estimated using the IRI was: Echynochloa sp. (Poaceae) = 4301, Polygonum sp. (Polygonaceae) = 956, and unidentified graminoid species = 53 (females: Echynochloa sp. = 4313, Polygonum sp. = 1095 and males: Echynochloa sp. = 5522, Polygonum sp. = 814). No significant differences were found between females and males in diet composition (Fisher's test, p &lt; 0.05). Moreover, the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Stomach contents analysis; Rosy-billed Pochard; Trophic composition.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000100011

Heterospecific sociality of birds on beaches from southeastern Brazil
Provedor de dados: 103
Autores: Cestari,César.
Studies on the sociality of heterospecific assemblages of birds have promoted a greater understanding of the types of interactions and survivorship between coexisting species. This study verified the group compositions in bird assemblages and analyzed the sociality of migratory and resident species on sandy beaches of southeastern Brazil. A transect was established on the median portion of beaches and all the groups of bird species (monospecific, heterospecific) and solitary individuals were registered four days per month from November 2006 to April 2007. The sociality of each species was calculated by its frequency in heterospecific groups, its proportional number of contacts with other species in heterospecific groups, and the number of species that it...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Association; Competition; Heterospecific groups; Nearctic migrants; Shorebirds.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400002

Two new species of the spider genus Alpaida (Araneae: Araneidae) from restinga areas in Brazil
Provedor de dados: 103
Autores: Braga-Pereira,Gracielle F.; Santos,Adalberto J.
Two new species of Alpaida O.P.-Cambridge, 1889 are described based on male and female specimens from seven restinga areas from northeastern to southern Brazil. Alpaida teresinha sp. nov., from Rio de Janeiro and Espírito Santo, differs from other species of the genus in the wider lobe of the conductor, the concave median apophysis and with the posterior lobe ventrally positioned, and the wrinkled distal projection of the terminal apophysis in males. Females can be recognized by having widely spaced epigynal lips and by the narrow epigynal notch in ventral view. Alpaida toninho sp. nov., from Bahia, Espírito Santo, Rio de Janeiro and Santa Catarina, can be distinguished by the round lobes of the terminal apophysis, and by the median apophysis with a distal...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazilian coast; Neotropical Region; Taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300010

On the taxonomic status of three eels (Teleostei: Anguilliformes) described from Leptocephali by Tommasi (1960)
Provedor de dados: 103
Autores: Melo,Marcelo R.S.; Caires,Rodrigo A.
ABSTRACT The taxonomic status of three species of eels described from leptocephali larvae in 1960, is revised and elucidated: Leptocephalus anaelisae Tommasi, 1960, a member of Moringuidae, is confirmed as a junior synonym of Neoconger mucronatus Girard, 1858; Leptocephalus juliae Tommasi, 1960, a Muraenidae, is confirmed as a junior synonym of Uropterygius macularius (Lesueur, 1825); and Leptocephalus humbermariorum Tommasi, 1960, a Congridae, is now placed as species inquirenda in Rhynchoconger Jordan &amp; Hubbs, 1925. Each of the three species was described based on a unique holotype, but none of the tree holotypes were found in any scientific collection investigated by us. Indeed, the three holotypes are considered to be permanently lost.
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Leptocephalus; Rhynchoconger; Uropterygius macularius; Neoconger mucronatus.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000604002

Brazilian species of Gadila (Mollusca: Scaphopoda: Gadilidae): rediscovery of Gadila elongata comb. nov. and shell morphometrics
Provedor de dados: 103
Autores: Caetano,Carlos H. S.; Scarabino,Victor; Absalão,Ricardo S.
Gadila elongata comb. nov. was described in 1920 from the northern Gulf of Mexico. Until recently, it was only known from the type locality. Herein we present the first record of G. elongata from Brazil (Northeast coast, Ceará state, collected at 177 m) and a morphometrics analysis of the Brazilian species of Gadila. A multivariate Discriminant Function Analysis, based on nine shell morphometric variables (length, maximum diameter, length to maximum diameter ratio, distance of point of maximum diameter from anterior aperture, maximum curvature, anterior aperture height to anterior aperture width ratio, apical aperture height, apical aperture width and apical aperture height to apical aperture width ratio) enabled the distinction between all species...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Conchology; Marine molluscs; Morphometry; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200015

Vertical distribution and structure of copepod (Arthropoda: Copepoda) assemblages in two different seasons down to 1,200 m in the tropical Southwestern Atlantic
Provedor de dados: 103
Autores: Dias,Cristina de Oliveira; Araujo,Adriana Valente de; Bonecker,Sérgio Luiz Costa.
ABSTRACT The vertical distribution of copepod assemblages, ascertained from the surface down to 1,200 m, was investigated during two sampling periods (rainy and dry seasons), at four depths, in the oligotrophic waters of the southwestern Atlantic Ocean. Total density, diversity, and richness differed among sampling depths. Copepod density decreased with depth in the two sampling periods, with a maximum at 1 m and a slight decrease at 800 m. Higher diversities were observed at 250 m and 1,200 m during the rainy season and at 1 m and 1,200 m during the dry season. The maximum number of species was found at 1,200 m during the rainy season and at 1 m during the dry season. Various copepod assemblages were delimited in the water column in the two sampling...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mesozooplanktonic copepod; Southeastern Brazil; Tropical environment.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100320

Cinco novas espécies de Cerambycidae (Insecta: Coleoptera) da Região Neotropical e novos registros
Provedor de dados: 103
Autores: Galileo,Maria Helena M.; Martins,Ubirajara R.
New species are described: Tessaropa elongata sp. nov. from Brazil (Rondônia) has long elytra, a character that distinguishes it from the remaining species with short elytra; Hexoplon immaculatum sp. nov. from Ecuador (Pichincha) is characterized by the red-orange general color and black legs. Eburodacrys inaequalis sp. nov. from Bolivia (Santa Cruz) has elytral apices and same-color femora that cause it to be similar to E. ayri Martins &amp;amp; Galileo, 2006 and E. silviamariae Martins &amp;amp; Galileo, 2006, yet it differs from either species in the black lateral spines and dorsal tubercles of pronotum and the elongate eburneuos maculae of the elytra. Coleomethia bezarki sp. nov. (Costa Rica, Guanacaste) differs from C. australis Hovore, 1987 by male...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Apomecynini; Eburiini; Hexoplonini; Methiini; New species.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100022

A new record of giant squid Architeuthis sp. (Cephalopoda: Oegopsida) in Brazilian waters
Provedor de dados: 103
Autores: Martins,Rodrigo Silvestre; Perez,José Angel Alvarez.
A carcass of a giant squid Architeuthis sp. was found afloat off Southern Brazil (28°05'S, 45°35'W) on 29 August 1999. The specimen was a mature female of 116 cm mantle length and had arms incomplete and tentacles missing. The specimen was morphologically similar to those previously described for the Southwest Atlantic, but a few peculiarities were found on the shape of the fins, head and the cross-section and length of ventral arms. Spermatophores were found embedded within the skin of the left ventral arm, at around 60 cm from the mouth, and could be traced to the core of the arm, radiating nearly four centimeters from the point of entry. This was the third record of Architeuthis in Brazilian waters and the eighth in Southwest Atlantic when the specimen...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Occurrence; Morphology; Reproduction; Southwest Atlantic.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400005

Natural history of Micrablepharus maximiliani (Squamata: Gymnophthalmidae) in a Cerrado region of northeastern Brazil
Provedor de dados: 103
Autores: Dal Vechio,Francisco; Recoder,Renato; Zaher,Hussam; Rodrigues,Miguel Trefaut.
Micrablepharus maximiliani (Reinhardt &amp;amp; Luetken, 1861) is a microteiid lizard widely distributed in the open areas of South America. Little is known about its ecology and reproductive biology. Here, we analyzed aspects of the natural history of a population of M. maximiliani from a Cerrado area in the state of Piauí, northeastern Brazil. Our results suggest that the reproductive activity of M. maximiliani might be seasonal in the Cerrado, since reproductive females were observed only in the dry season, whereas reproductive males were present in both seasons. Vitellogenic follicles and oviductal eggs were found simultaneously in one female, suggesting that females may produce more than one clutch per season. Sexual dimorphism was observed in body...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Ecology; Lizards; Reproduction; Sexual dimorphism.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000200002

Notes on the hematology of free-living Phrynops geoffroanus (Testudines: Chelidae) in polluted rivers of Southeastern Brazil
Provedor de dados: 103
Autores: Ferronato,Bruno O.; Genoy-Puerto,Alexander; Piña,Carlos I.; Souza,Franco L.; Verdade,Luciano M.; Matushima,Eliana R.
Phrynops geoffroanus (Schweigger, 1812) is the freshwater turtle with the widest geographical distribution in South America. During 2006, physical examination and hematological evaluation were performed on free-ranging turtles from two polluted rivers, the Piracicaba River (n = 51) and its tributary Piracicamirim (n = 42), in southeastern Brazil. Red blood cell and thrombocyte counts, mean corpuscular volume and mean corpuscular hemoglobin levels differed in turtles from the two water courses. Although free-ranging turtles showed ectoparasites and boat propeler lesions, animals apparently had no signs of clinical disease. In spite of our results, further monitoring of the demography and health status of Phrynops geoffroanus in anthropogenically altered...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Hemogram; Lesion; Pollution; Turtle.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400027

Are the risks of conservation introduction worth taking?
Provedor de dados: 103
Autores: Bicca-Marques,Júlio César; Calegaro-Marques,Cláudia.
Tipo: Info:eu-repo/semantics/other
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500001

The endemic and threatened lizard Liolaemus lutzae (Squamata: Liolaemidae): current geographic distribution and areas of occurrence with estimated population densities
Provedor de dados: 103
Autores: Rocha,Carlos F. D.; Siqueira,Carla da C.; Ariani,Cristina V.
Liolaemus lutzae Mertens, 1938 is a critically endangered lizard endemic to the restinga habitat of the state of Rio de Janeiro. We surveyed 25 restinga habitats in order to locate remaining populations, evaluate the status of the species, and determine the nature of local habitat degradation. We found remnant populations of L. lutzae in 18 restinga habitats of six municipalities. The conservation status of each population varied between areas: the population of Grumari, in Rio de Janeiro municipality, is the most preserved and the population of Praia do Forte, in Cabo Frio, is the most disturbed. No L. lutzae were found in Niterói municipality. The most destructive type of habitat degradation identified was the removal of beach vegetation associated with...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Conservation; Endangered species; Endemic species; Habitat degradation; Population recovery.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300009

Biotic potential and reproductive parameters of Spodoptera dolichos (Lepidoptera: Noctuidae) in the laboratory
Provedor de dados: 103
Autores: Montezano,Débora G.; Sosa-Gómez,Daniel R.; Paula-Moraes,Silvana V.; Roque-Specht,Vânia F.; Fronza,Edegar; Barros,Neiva M.; Specht,Alexandre.
ABSTRACT The biotic potential and reproductive parameters of Spodoptera dolichos (Fabricius, 1794) were evaluated under controlled conditions (25 ± 1°C, 70 ± 10% RH and 14 hour photophase). The longevity, pre-, post- and oviposition periods, fecundity, and fertility of 25 couples were evaluated. The longevity of females (12.9 days) was not significantly different than that of males (12.4 days). The mean durations of the pre-, post- and oviposition periods were 3.0, 0.4 and 10.4 days, respectively. The mean fecundity was 4,086.0 eggs per female and mean fertility was 3,557.8 larvae per female. On average, a female copulated 1.4 times. The biotic potential of S. dolichos was estimated at 7.138 x 1018 individuals/female/year. The net reproductive rate (Ro)...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Armyworm; Development; Fecundity; Reproduction; Spermatophore.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600485

Macroinvertebrates associated with bryophyta in a first-order Atlantic Forest stream
Provedor de dados: 103
Autores: Rosa,Beatriz F. J. V.; Silva,Marcos V. D. da; Oliveira,Vívian C. de; Martins,Renato T.; Alves,Roberto da G.
This study describes the composition and structure of the benthic community associated with bryophytes in a first-order stream, located in a biological reserve of the Atlantic Forest, during two seasons. During three months of the dry season of 2007 and three months of the rainy season of 2008, samples of bryophytes attached to stones were collected randomly, along a 100 m stream reach. The structure of the community was analyzed through the mean density of individuals, Shannon's diversity index, Pielou's evenness, family richness, dominance index, and the percentage of Ephemeroptera, Plecoptera and Trichoptera (% EPT). Chironomidae larvae were dominant in the two periods of study, followed by Ceratopogonidae in the rainy season, and Naididae in the dry...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aquatic insects; Lotic systems; Tropical region.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300009

Relationship between bird-of-prey decals and bird-window collisions on a Brazilian university campus
Provedor de dados: 103
Autores: Brisque,Thaís; Campos-Silva,Lucas Andrei; Piratelli,Augusto João.
ABSTRACT Bird-window collisions are a dramatic cause of bird mortality globally. In Latin America, statistics are generally very scarce and/or inaccessible so the frequency of such incidents is still poorly understood. Nevertheless, civilians have applied preventive methods (e.g. adhesive bird-of-prey decals) sparsely but, to our knowledge, no study has evaluated their effectiveness in Brazil. Here, we estimated the mortality rate of bird-window collisions and tested the effectiveness of bird-of-prey decals at preventing such accidents. We undertook daily searches for bird carcasses, presumably resulting from window collisions, near all buildings on a university campus over seven months. Adhesive bird-of-prey decals were then applied to the two buildings...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Environmental impact; Fauna depreciation; Human-made environment; Neotropical; Preventive actions; Urban birds.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100310

Effects of spatial and environmental factors on benthic a macroinvertebrate community
Provedor de dados: 103
Autores: Rezende,Renan S.; Santos,Anderson M.; Henke-Oliveira,Carlos; Gonçalves Jr,José F.
Interactions between terrestrial and aquatic systems influence the structure of river habitats and, consequently, affect their benthic macroinvertebrate composition. The aim of this study was to evaluate the effects of spatial and environmental variables (local physical and chemical variables of water and regional landscape characteristics) on the benthic macroinvertebrate community of the Pandeiros River Basin. Biotic and abiotic variables were evaluated at 20 sampling sites distributed across the primary sub-basins of the Pandeiros River Basin. We found that the macroinvertebrates were primarily affected by environmental variables. The most important environmental variables were pebble proportion and water conductivity at the local scale (7.2% of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Elevation; Metacommunity; Non-forest areas; Pebbles.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500003

Diet of invertebrates sampled in leaf-bags incubated in a tropical headwater stream
Provedor de dados: 103
Autores: Carvalho,Emerson M. de; Uieda,Virgínia S.
The diet of macroinvertebrates sampled in leaf-bags incubated in a tropical stream was analyzed on a spatial scale (one forested and one deforested area) and on a temporal scale (dry and rainy seasons). The macroinvertebrates were mostly represented by detritivores specialized in fine detritus (69%), followed by generalist detritivores (10% with a diet based on fine and coarse detritus), carnivores (10%), omnivores (8%), and one detritivore genera specialized on coarse detritus (3%). The detritivores exhibited a broad spatial and temporal distribution and were represented mainly by Ephemeroptera, Trichoptera and Diptera. Phylloicus sp. (Trichoptera) consumed mostly coarse detritus (CPOM) and can be classified as the unique specialist shredder in this...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Detritus; Gut content; Macroinvertebrates; Trophic groups.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400014

Ecology of the snake Atractus paraguayensis (Dipsadidae) in southern Brazil
Provedor de dados: 103
Autores: Zanella,Noeli; D’Agostini,Fernanda.
ABSTRACT Knowledge of snake ecology is important to support conservation strategies. Atractus paraguayensis Werner, 1924 is a dipsadidae with semi fossorial habits distributed throughout southern Brazil. We analyzed the morphology, seasonality and reproductive biology of this species in a subtropical area in southern Brazil by combining material from scientific collections and field data. We found that females have a larger body size than males and that the reproductive cycle of females is seasonal, with vitellogenesis occurring in the warmer months of the year. Males exhibited no differences in testicle volume throughout the year; however, mating likely occurs in the spring when males are more active. Recruitment of newborns occurs in late summer. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Activity patterns; Reproduction; Seasonality; Subtropical region.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100314

Vitalius nondescriptus comb. nov. (Araneae: Theraphosidae: Theraphosinae): an example of theraphosid taxonomic chaos
Provedor de dados: 103
Autores: Bertani,Rogério; Nagahama,Roberto Hiroaki; Fukushima,Caroline Sayuri.
The male holotype of Hapalopus nondescriptus Mello-Leitão, 1926 is redescribed, illustrated and compared with freshly collected specimens from the type locality. The only difference noted among the holotype and the new material concerns the development of the subapical keel. Its taxonomic position is reinterpreted and discussed, resulting in its transfer to the genus Vitalius Lucas, Silva Junior &amp;amp; Bertani, 1993, and thus making the new combination Vitalius nondescriptus (Mello-Leitão, 1926) comb. nov. The female is described for the first time and the morphological variations in two males, born from the female used in the description, is presented and illustrated. The male differs from those of other Vitalius species by the palpal bulb with short...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Cyclosternum; Hapalopus; Objeticve synonym; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500011

Genotoxic effect of Phenanthrene on Chironomus sancticaroli (Diptera: Chironomidae)
Provedor de dados: 103
Autores: Morais,Gisele dos Santos; Pesenti,Emanuele Cristina; Cestari,Marta Margarete; Navarro-Silva,Mário Antônio.
Phenanthrene, a Polycyclic Aromatic Hydrocarbon, remains adsorbed to sedimentary particles in aquatic environments. It affects mainly benthic organisms, and is considered potentially genotoxic. In ecotoxicology, species of Chironomus Meigen, 1803 are widely known as bioindicators of the effects of chemicals on aquatic organisms. This study investigates the effects of phenanthrene on the size of the head capsule of Chironomus sancticaroli Strixino &amp;amp; Strixino, 1981 larvae after chronic (eight days) exposure, and DNA damage after acute (96 hours) and chronic exposure (eight days), under laboratory conditions. DNA damage, evaluated using the alkaline comet assay, detected effects for both exposure periods, indicating that phenanthrene is toxic for C....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bioassay; Bioindicador; Development; DNA damage; PHAs.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400003

Notes on Neotropical Proconiini (Hemiptera: Cicadellidae: Cicadellinae). VI: description of the male of Deselvana falleni from the Atlantic Rainforest of southeastern Brazil
Provedor de dados: 103
Autores: Mejdalani,Gabriel; Carpi,André; Carvalho,Rachel A.
The male of the leafhopper Deselvana falleni (Stål, 1858) is for the first time described and illustrated based on material from the state of Rio de Janeiro, Brazil. Notes comparing D. falleni to other species of Deselvana Young, 1968 are given. Males and females of D. falleni can be recognized by the dark brown to black dorsum with four well-defined yellow maculae on each forewing, two on clavus and two on corium. The sexual dimorphism of color found in other Deselvana species was not observed in D. falleni.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Male genitalia; Membracoidea; Sharpshooter; Taxonomy.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400023

A new species and records of Helochares (Insecta: Coleoptera: Hydrophilidae) from Southeastern Brazil
Provedor de dados: 103
Autores: Clarkson,Bruno; Ferreira-Jr,Nelson.
A new species of Helochares Mulsant, 1844 (Hydrophilidae: Acidocerinae) from Brazil is described and illustrated. Helochares (s. str.) atlanticus sp. nov. is distinct mainly by characteristics of the aedeagus whose phalobase is short, narrowed on basal third; parameres are thick, constricted on apical quarter, with small tooth-like projection on outer margin near apex; dorsal lobe longer than ventral lobe, shorter than parameres, very wide at base, abruptly narrowing toward apex until about half of its length where it dilates and divides into two long and narrow projections apart from each other at base, but turned inward at apex; ventral lobe acuminate and symmetrical. The rounded emargination on anteromedial margin of labrum bearing small tooth-like...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acidocerinae; Description; Neotropics; New records; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400012

Intra- and inter-annual variations in Chironomidae (Insecta: Diptera) communities in subtropical streams
Provedor de dados: 103
Autores: Nava,Diane; Restello,Rozane M.; Hepp,Luiz U.
The structure and composition of stream benthic communities are strongly influenced by spatial and temporal factors. This study evaluated the intra and inter-annual variations in Chironomidae communities in subtropical streams. The organisms were sampled from 10 small-order streams during the summer and winter of 2010-2012. The number of chironomid specimens sampled was 7,568, distributed in 49 genera. Chironomid abundance and richness varied intra and inter-annually and community composition varied intra-annually (2010 and 2011). Water temperature, total organic carbon, nitrogen, and rainfall were correlated with chironomid community composition. The intra-annual variation of the community was dependent on climatic variations (temperature and rainfall)...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Agriculture impacts; Bioindicators; Macroinvertebrates; Rainfall.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000300207

Richness, breeding environments and calling activity of the anurofauna of the lower moa river forest, state of Acre, Brazil
Provedor de dados: 103
Autores: Miranda,Daniele B.; Albuquerque,Saymon de; Turci,Luiz Carlos B.; Bernarde,Paulo S.
In state of Acre, most anuran research has been carried out in areas of terra firme, whereas alluvial forests remain relatively unexplored. We document the richness, breeding environments and calling season of the anurans of the Lower Moa River in the Alto Juruá (state of Acre), a region considered to harbor high biodiversity. Sampling was conducted in two main areas with different forest typologies (Terra firme forest and Alluvial forest), totaling 256 ha. The diversity of anurans was analyzed using the Shannon-Wiener index, evenness and Berger - Parker dominance. The anurans were sampled from October 2008 to September 2009, using the following sampling methods: sampling at breeding sites, pitfall traps, time constrained visual search during the day...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon; Amphibia; Biodiversity; Terra firme forest; Alluvial forest.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000200093

Type specimens of Limnophorini (Diptera: Muscidae) deposited in the Museum für Naturkunde, Humboldt-Universität zu Berlin (Berlin, Germany)
Provedor de dados: 103
Autores: Couri,Márcia; Pont,Adrian.
ABSTRACT The type specimens of 153 species of Limnophorini in the Museum für Naturkunde, Berlin, Germany, were revised. Differential diagnoses, notes on the types, and photographs of some of them (habitus and labels) are provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diversity; Morphology; Taxonomy.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100313

A new genus, Atlanteuptychia gen. nov., for Euptychia ernestina (Lepidoptera: Nymphalidae: Satyrinae)
Provedor de dados: 103
Autores: Freitas,André V. L.; Barbosa,Eduardo P.; Santos,Jessie P.; Mielke,Olaf H. H.
Atlanteuptychia Freitas, Barbosa &amp;amp; Mielke, gen. nov. is proposed for Euptychia ernestina Weymer, 1911 and illustrated. This taxon lacks the posterior projection of the tegumen, a synapomorphy of Euptychia Hübner, 1818, and does not share morphological synapomorphies with Cyllopsis R. Felder, 1869 and Paramacera Butler, 1868, two Central American genera apparently closely related to Euptychia ernestina, based on molecular data. This evidence supports the proposition of a new genus endemic to the Atlantic Forest, A. ernestina stat. nov.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Butterfly; Euptychiina; Satyrini.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600011

Bats used as hosts by Amblyomma sculptum (Acari: Ixodidae) in Northeastern Brazil and its implications on tick-borne diseases
Provedor de dados: 103
Autores: Novaes,Roberto Leonan M.; Alves,Fernanda M.; Souza,Renan F.; Laurindo,Rafael S.; Moratelli,Ricardo.
ABSTRACT Amblyomma Koch, 1844 is distributed worldwide, with ca. 130 species currently recognized. These ticks are vectors of pathogens to animals and humans, including the causative agent of the New World Rocky Mountain spotted fever. Species of the Amblyomma parasitize a wide range of organisms, especially medium and large terrestrial mammals. Here we report for the first time the association of Myotis lavali Moratelli, Peracchi, Dias &amp; Oliveira, 2011, Noctilio albiventris Desmarest, 1818 and Noctilio leporinus (Linnaeus, 1758) as hosts for Amblyomma sculptum Berlese, 1888. The ticks were originally identified as Amblyomma cajennense (Fabricius, 1787), in 2011. However, a later taxonomic review indicated that the species of the A. cajennense complex...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Caatinga; Chiroptera; Hard ticks; Neotropics; Parasitism.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100502

Environmental heterogeneity: Anuran diversity in homogeneous environments
Provedor de dados: 103
Autores: Silva,Rodrigo Augusto; Martins,Itamar Alves; Rossa-Feres,Denise de C.
The northwestern region of São Paulo was extensively deforested during the agricultural expansion in the last century and only small fragments of the original vegetation cover remained. In this study, we investigated how habitat features influence the composition, richness, and diversity of anurans in environments homogenized by agricultural activities. We sampled monthly six breeding ponds located in pasture areas during twelve months. We recorded ten environmental descriptors for each breeding pond. We found 18 anuran species. The breeding ponds were structurally similar, but species composition differed among them. The environmental descriptors influence varies for each species, as demonstrated by the different associations between species and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibia; Community ecology; Environmental indicators; Habitat use; Beta diversity.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500009

Vernon Everett Thatcher: 1929-2011
Provedor de dados: 103
Autores: Boeger,Walter A.
Tipo: Info:eu-repo/semantics/article
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500020

Vertical and time distribution of Diplopoda (Arthropoda: Myriapoda) in a monodominant forest in Pantanal of Mato Grosso, Brazil
Provedor de dados: 103
Autores: Battirola,Leandro D.; Marques,Marinêz I.; Rosado-Neto,Germano H.; Pinheiro,Tamaris G.; Pinho,Nelsina G. C.
In this study different sampling techniques for Diplopoda in soil, tree trunks and canopies were applied in an integrated way in the northern region of the Pantanal of Mato Grosso, Brazil. This was done in order to assess the relationship within the fauna in each forest strata, as well as its richness and temporal distribution. In all these habitats there were a total of 1,354 diplopods, distributed in four taxonomic orders, with Polyxenida being predominant over Polydesmida, Spirostreptida and Spirobolida. The largest representation was found on the trunks of the Vochysia divergens (721 ind.), intercepted by tree photoecletors, whereas in the canopies sampling reached only 65 specimens. In the edaphic stratum 568 diplopods were captured, most with the use...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diplopoda; Ecology; Stratification; Wetlands.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300012

Diet of Monodelphis glirina (Mammalia: Didelphidae) in forest fragments in southern Amazon
Provedor de dados: 103
Autores: Castilheiro,Welvis Felipe Fernandes; Santos Filho,Manoel dos.
The current study aimed to evaluate the diet of Monodelphis glirina (Wagner, 1842) in forest fragments of Alta Floresta, located in the south of the Amazon, state of Mato Grosso. The diet was determined by the analysis of the stomach contents from 57 subjects sampled between May and September 2009. Nine food categories were present: Coleoptera, Orthoptera, Hymenoptera, Diplopoda, Nematoda, seeds, miscellaneous, hair and bait leftovers (banana and peanut butter). Coleoptera was the category eaten most frequently, rating 50% of abundance and 91.22% of occurrence. "Seeds" were the least abundant (0.11%) and rated 1.75% in occurrence, probably because seeds are easy to digest. The size of the fragments negatively and significantly influenced the amount of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coleoptera; Food items; Fragmentation; Insectivore.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300001

Brazilian species of Onychophora with notes on their taxonomy and distribution
Provedor de dados: 103
Autores: Sampaio-Costa,Cristiano; Chagas-Junior,Amazonas; Baptista,Renner L. C.
A revision of the currently known distribution of Onychophora (velvet worms) in Brazil is presented. Twenty-four morphospecies (half of them undescribed) belonging to four genera of the Peripatidae (Peripatus Guilding, 1826, Epiperipatus Clark, 1913, Macroperipatus Clark, 1913 and Oroperipatus Cockerell, 1908) are recorded. This high number of "unidentified" morphospecies is due to three major reasons: the poor quality of the characters used in species-level identification, the inadequate specimen conservation in ethanol, and, in most cases, the lack of additional specimens for analysis of intra- and inter-specific variation. The morphological characters currently used to separate Peripatidae species present a large degree of variation and may not be...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Distribution; Peripatidae; Taxonomy; Velvet worm.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300020

Characterization of innate immune activity in Phrynops geoffroanus (Testudines: Chelidae)
Provedor de dados: 103
Autores: Ferronato,Bruno O.; Merchant,Mark E.; Marques,Thiago S.; Verdade,Luciano M.
The innate immune activity of the freshwater turtle Phrynops geoffroanus (Schweigger, 1812) was investigated, using a sheep-red-blood cell hemolysis assay. The time- and concentration-dependent hemolytic activity of the turtle plasma was low compared to that reported for other reptiles. However the plasma of P. geoffroanus exhibited higher activity at elevated temperatures, resulting in temperature-dependent hemolysis. The sensitivity of turtle plasma to temperature could be interpreted as a mechanism by which freshwater turtles use basking behavior to elevate body temperature, thus enhancing the innate immune response. However, we cannot discard the possibility that environmental contaminants could be affecting the turtle's immune response, since the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chelonian; Immunology; Plasma.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400020

Composition of bat assemblages (Mammalia: Chiroptera) in tropical riparian forests
Provedor de dados: 103
Autores: Lourenço,Elizabete Captivo; Gomes,Luiz Antonio Costa; Pinheiro,Michele da Costa; Patrício,Priscilla Maria Peixoto; Famadas,Kátia Maria.
Various studies have focused on the richness and abundance of bats in tropical forests and how the composition of these forests affects bat assemblages, but there are few studies on the relationship of bats with riparian forests. The aim of this study was to ascertain the differences among bat assemblages of three riparian forest areas of the Tinguá region, state of Rio de Janeiro, Brazil. These areas were: I) an agricultural area (Takume); II) a reforested area in primary succession (Canavarro); and III) an area with late secondary vegetation (Tinguá Biological Reserve). Assessments of bat species composition in these areas may shed light on how anthropogenic modifications in riparian forests can influence local bat assemblages. Bats were captured with...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anthropogenic modifications; Atlantic Forest; Buffer zone; Conservation; Tinguá Biological Reserve.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400007

Effects of habitat heterogeneity on epiedaphic Collembola (Arthropoda: Hexapoda) in a semiarid ecosystem in Northeast Brazil
Provedor de dados: 103
Autores: Ferreira,Aila Soares; Rocha,Isabel Medeiros dos Santos; Bellini,Bruno Cavalcante; Vasconcellos,Alexandre.
ABSTRACT The spatial distribution of abiotic resources and environmental conditions can vary at small scales within terrestrial ecosystems, influencing the composition of soil fauna. Epiedaphic springtails (Collembola) of a semiarid Caatinga ecosystem were studied to determine if factors related to vegetation structure, such as species richness, aerial biomass, litterfall, and soil characteristics (pH, granulometry and soil organic matter), influence species richness and abundance of this group. A total of 5,513 individuals were collected of 15 species distributed in 13 genera and 9 families. The most abundant species were Temeritas sp., with 2,086 (38% of the total abundance) individuals, and Neotropiella meridionalis (Arlé, 1939), with 1,911 (35% of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caatinga; Diversity; Soil dynamics; Soil mesofauna; Neotropical Region.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100324

Effects of dietary propolis and vitamin E on growth performance and antioxidant status in blood of juvenile Rainbow trout, Oncorhynchus mykiss (Teleostei: Salmoniformes) under different flow rates
Provedor de dados: 103
Autores: Kelestemur,Gülüzar Tuna; Seven,Pinar Tatli; Yilmaz,Seval.
The present study investigated the effects of propolis and vitamin E supplementation in diets of juvenil rainbow trout subjected to two different flow rates with or without flow stress (0.9 and 2.1 l/min, respectively) on final weigth (FW), condition factor (CF), feed conservation ratio (FCR), protein efficiency ratio (PER) and vitamin A, C and E concentrations and malondialdehyde (MDA) levels in serum as well as plasma superoxide dismutase (SOD) activity. The experimental groups were as follows: group C was fed a basal diet, group P10 was fed a basal diet supplemented with 10 g propolis/kg, group P30 was fed a basal diet supplemented with 30 g propolis/kg, group E60 was fed a basal diet supplemented with 60 mg vitamin E/kg. CF and PER were not different...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Lipid peroxidation; Rainbow trout; Superoxide dismutase; Vitamin E.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000200001

Abundance of bottlenose dolphins, Tursiops truncatus (Cetacea: Delphinidae), inhabiting the Patos Lagoon estuary, southern Brazil: implications for conservation
Provedor de dados: 103
Autores: Fruet,Pedro F; Secchi,Eduardo R; Di Tullio,Juliana C; Kinas,Paul G.
A new mark-recapture abundance estimate and a photographic census were carried out to investigate the possible decline in the abundance of the bottlenose dolphins, Tursiops truncatus (Montagu, 1821), in the Patos Lagoon estuary due to the high levels of bycatch mortality which occurred between 2002 and 2006 in oceanic coastal areas close to the estuary. Fourteen systematic boat surveys were conducted between August and early December 2005 to photo-identify the bottlenose dolphins. The estimated number of animals, with long-lasting marks, in the population obtained from Chapman's and Mth models were 51 (95% CI = 49-53) and 52 (95% CI = 51-60), respectively. Taking into account the proportion of dolphins with long-lasting marks in the population, the total...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cetaceans; Mark-recapture; Photoidentification.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100004

Nesting of Phrynops geoffroanus (Testudines: Chelidae) on sandy beaches along the Upper Xingu River, Brazil
Provedor de dados: 103
Autores: Ferreira Júnior,Paulo D.; Balestra,Rafael A. M.; Moreira,José R.; Freitas,Fábio de O.; Lustosa,Ana P. G.; Jorge,Rafael F.; Rosa,Artur J. de M.; Sampaio,Antônio A.; Gomes,Aline S.
This work presents the first data on incubation temperature of Phrynops geoffroanus (Schweigger, 1812) in a natural environment, and provides information on nest predation, hatching success and size of offspring born in the nests on sandy beaches along the Upper Xingu River. Thirty-one P. geoffroanus nests were found, of which eleven were completely predated, mainly by Cerdocyon thous (Linnaeus, 1766). Incubation was completed in nine out of the 17 nests protected by netting. The nests presented an average of 13.1 eggs and were distributed over the various geomorphological sectors of the nine sampled beaches. The size and weight of the hatchlings varied significantly between nests, and the incubation period in protected nests lasted for 76.5 days, less...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Geoffroy's side-necked turtle; Hatching success; Incubation; Nest predation; Xingu Indigenous Park.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500004

Molecular sexing and intersexual differences in the morphometry of the Hangnest Tody-Tyrant Hemitriccus nidipendulus (Passeriformes: Rhynchocyclidae)
Provedor de dados: 103
Autores: Medeiros,Reinaldo T.; Chaves,Flávia G.; Vecchi,Maurício B.; Nogueira,Denise M.; Alves,Maria Alice S.
ABSTRACT Variation in the morphometry of individuals in a population may result from natural or sexual selection. In the present study we investigated morphometric differences between males and females of a bird species endemic to the Brazilian Atlantic Forest, the Hangnest Tody-Tyrant, Hemitriccus nidipendulus (Wied, 1831), with no apparent sexual dimorphism. All individuals (n = 56) were sexed by PCR amplification of the intronic fragments of the CHDZ/CHDW alleles obtained from blood samples, and 12 morphometric measurements were recorded. The molecular configuration was similar to that described for other species of Passeriformes, with males presenting a single band of approximately 360 base pairs (bp), and females with two bands of 360 and 400 bp....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Gender differences; Molecular sexing; Restinga; Sexual monomorphism.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100329

New species of Cyamops (Diptera: Opomyzoidea: Periscelididae) from the old and new world tropics
Provedor de dados: 103
Autores: Rung,Alessandra; Ale-Rocha,Rosaly.
Two new species of Cyamops Melander are described, one from the Afrotropical and one from the Neotropical Region. The newly described species are (type locality in parenthesis): Cyamops mathisi sp. nov. (Province Fianarantsoa, Madagascar) and Cyamops manauensis sp. nov. (state of Amazonas, Brazil). Both species can be separated from congeners based on characters of the male genitalia, particularly the shape of the surstyli. A new country, the Ivory Coast, is added to the distribution records of Cyamops nigeriensis, previously known only from Nigeria and Namibia. Updated keys to the Afrotropical and Neotropical species of the genus are also given.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Afrotropical Region; Brazil; Madagascar; Neotropical Region; Stenomicrinae.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600014

The effects of seasonality on the foraging behavior of Tropidurus hispidus and Tropidurus semitaeniatus (Squamata: Tropiduridae) living in sympatry in the Caatinga of northeastern Brazil
Provedor de dados: 103
Autores: Kolodiuk,Miguel F.; Ribeiro,Leonardo B.; Freire,Eliza M. X.
In this study, we performed field observations of 38 and 84 specimens of the lizards Tropidurus hispidus (Spix, 1825) and Tropidurus semitaeniatus (Spix, 1825), respectively, inhabiting a Caatinga in the state of Rio Grande do Norte, northeastern Brazil, in order to describe the foraging behavior, measure the foraging intensity (number of movements, time spent stationary, distance traveled and number of attacks on preys) and investigate the effects of seasonality on the foraging strategies of these two species of lizards. During the dry season, both species showed no significant differences in foraging intensity. In the wet season, on the other hand, only the distance traveled was similar for both species. Tropidurus semitaeniatus displayed a larger mean...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Foraging mode; Lizards; Sympatric species.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300026

Species composition and reproductive modes of anurans from a transitional Amazonian forest, Brazil
Provedor de dados: 103
Autores: Bitar,Youszef O. C.; Pinheiro,Leandra P. C.; Abe,Pedro S.; Santos-Costa,Maria C.
The aim of the present study was to describe the species composition and reproductive modes of an anuran community from a transition area between the Amazonia and Cerrado biomes. Data were collected in habitats exhibiting different degrees of anthropogenic degradation. The community (35 species) identified during the present study presented a larger number of reproductive modes when compared with those from Cerrado communities, but smaller than those of other sites in the Amazon. While all nine modes were recorded in the gallery forests of local rivers and streams, anthropogenic habitats (rubber tree orchards and soybean fields) were occupied only by species adapted to environments where humidity is low, typical of the Cerrado. Overall, the anuran fauna of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazonia/Cerrado; Anuran community; Arc of deforestation; Ecotone; Reproductive diversity.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100003

Diet and reproductive dynamics of Trachelyopterus lucenai (Siluriformes: Auchenipteridae) in subtropical coastal lagoons in southern Brazil
Provedor de dados: 103
Autores: Maia,Renata; Artioli,Luiz G. S.; Hartz,Sandra M.
This study analyzed the diet and reproductive dynamics of Trachelyopterus lucenai Bertoletti, Pezzi da Silva &amp;amp; Pereira, 1995, an allochthonous fish species in the subtropical coastal lagoons of the Tramandaí River, Rio Grande do Sul, Brazil. The fecundity of the species is described for the first time. Specimens were captured in the interconnected lagoons Itapeva, Quadros and Malvas, on a monthly basis, from November 2008 to April 2010, with gillnets of different mesh sizes. The food items identified were assessed for abundance and frequency of occurrence. The sex ratio, reproductive period for males and females, for mature females, fecundity, were estimated. These results were analyzed with respect to seasonal variation. We captured 135...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Allochthonous species; Fecundity; Opportunist-generalist.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300002

Reproductive ecology and territorial behavior of Boana goiana (Anura: Hylidae), a gladiator frog from the Brazilian Cerrado
Provedor de dados: 103
Autores: Dias,Tailise M.; Prado,Cynthia P.A.; Bastos,Rogério P.
ABSTRACT Anuran males and females adopt different reproductive and behavioral strategies in different contexts. We investigated the reproductive ecology and territorial behavior of the treefrog Boana goiana (B. Lutz, 1968) from the Brazilian Cerrado. We hypothesized that competitor density/proximity would increase the behavioral responses of B. goiana males, and that mating would be assortative. We also tested if the number of eggs correlates with female size and if there is a trade-off between clutch size and egg size. We conducted two territoriality experiments to test the effects of male size, competitor proximity and competitor density. Larger males called more in the presence of a second male. In the second experiment, the largest males emitted more...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Clutch size; Acoustic communication; Assortative mating; Male competition; Aggressive interactions; Arrival dynamics.
Ano: 2021
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702021000100307

Review of Paraphotina (Mantodea: Photinaidae)
Provedor de dados: 103
Autores: Agudelo,Antonio A.; Rafael,José A.
ABSTRACT The number of studies on Neotropical mantises has been growing in recent years, and the systematics of Mantodea is now a dynamic field with noteworthy contributions. Several taxonomic revisions have been published recently. The taxonomy of Paraphotina Giglio-Tos, 1915 is reviewed as part of current studies on systematics of Neotropical Mantodea. Currently, Paraphotina contains four species from South America: P. caatingaensis (Menezes &amp; Bravo, 2013) comb. nov., P. insolita (Rehn, 1941), P. occidentalis Lombardo, 1998 and P. reticulata (Saussure, 1871). Paraphotina venezuelana Beier, 1963 is a new junior synonym of P. insolita . Keys for the Paraphotina species are proposed. The distribution of Paraphotina species is apparently correlates with...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon; Neotropics; Praying mantises; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000603004

Morphological and genetic diversity in Callithrix hybrids in an anthropogenic area in southeastern Brazil (Primates: Cebidae: Callitrichinae)
Provedor de dados: 103
Autores: Cezar,Adrielle M.; Pessôa,Leila M.; Bonvicino,Cibele R.
ABSTRACT Two species of Callithrix, C. jacchus (Linnaeus, 1758) and C. penicillata (É. Geoffroy, 1812), are considered invasive in Rio de Janeiro. This study determined the genetic and morphological diversity and verified the species involved in the hybridization of 10 individuals from the municipalities of Silva Jardim (N = 9) and Rio das Ostras (N = 1). We compared the external morphology and skull of C. jacchus (N = 15) and C. penicillata (N = 14) specimens deposited in the collection of the National Museum of Rio de Janeiro (MN- UFRJ). Phylogenetic (maximum likelihood and Bayesian inference) and phylogeographical analyses (network analysis) were performed based on cytochrome b sequences. These analyses included hybrids from the metropolitan region of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic forest; Introduced species; Marmosets; Morphometry; Phylogeny.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100314

Immature stages of the butterfly Diaethria clymena janeira (Lepidoptera: Nymphalidae: Biblidinae)
Provedor de dados: 103
Autores: Barbosa,Eduardo P.; Kaminski,Lucas A.; Freitas,André V. L.
The immature stages (egg, larva, and pupa) morphology, larval and oviposition behavior, and host plant of the "eighty-eight" butterfly Diaethria clymena janeira (C. Felder, 1862) are described. Eggs are laid singly under leaf, and have pronounced vertical ribs ending up in a crown. Larvae of early instars construct stick-like frass chains where they rest when not feeding. Late instars are green with reduced body scoli and long branched head scoli. Pupae are entirely green, and pupation occurs on the upper leaf surface. In general, morphology and behavior of immature stages are similar to those of related species in the tribe Callicorini.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Callicorini; Frass chains; Host plants; Immature behavior; Ulmaceae.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500005

Allometry as evidence of sexual selection in monochromatic birds: the case of the Coscoroba Swan (Anseriformes: Anatidae)
Provedor de dados: 103
Autores: Calabuig,Cecilia P.; Green,Andy J.; Muriel,Roberto; Katzenberger,Marco; Patino-Martinez,Juan; Moreira,Heden M.
The Coscoroba Swan, Coscoroba coscoroba (Molina, 1782), is a poorly known aberrant Anserine endemic to South America. We captured adult birds (189 male, 157 female) from the largest population in Brazil at the Taim Ecological Reserve, State of Rio Grande do Sul, Brazil. Different patterns between sexes can reflect differences in selection, and positive allometry may indicate that a character is sexually selected. We used body weight and 10 morphological measurements to examine allometric differences between males and females of C. coscoroba. Males were consistently larger than females. Analysis of scaling relationships against body mass showed that nostril, tail, wing and bill height were positively allometric (i.e., heavier birds had relatively larger...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Monomorphic; Natural selection; Waterfowl; Scaling.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400008

Evidence of vertical migration in the Ipanema bat Pygoderma bilabiatum (Chiroptera: Phyllostomidae: Stenodermatinae)
Provedor de dados: 103
Autores: Esbérard,Carlos E. L.; Lima,Isaac P. de; Nobre,Pedro H.; Althoff,Sérgio L.; Jordão-Nogueira,Tássia; Dias,Daniela; Carvalho,Fernando; Fabián,Marta E.; Sekiama,Margareth L.; Sobrinho,Artur Stanke.
Migration is defined as a seasonal and cyclic population movement observed in all animal classes and studied mainly in vertebrates. A considerable part of the knowledge on migration comes from birds, for which migration is an important aspect of their biology. In the case of bats, females usually migrate larger distances than males in some species. The present study analyzes the seasonal occurrence of Pygoderma bilabiatum (Wagner, 1843) at different elevations, in order to test for a pattern that evidences migration, using data from the states of Espírito Santo, Minas Gerais, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, and Rio Grande do Sul, Brazil. A total of 529 specimens of P. bilabiatum were captured. Pygoderma bilabiatum seems to be more...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Brazil; Capture efficiency; Seasonality; Temperature.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600004

O crescimento de Parastacus defossus (Crustacea: Decapoda: Parastacidae)
Provedor de dados: 103
Autores: Noro,Clarissa K.; Buckup,Ludwig.
The present study investigates the growth of Parastacus defossus Faxon, 1898, a fossorial species known only from Brazil (state of Rio Grande do Sul) and Uruguay. The estimated growth curve was calculated for animals from the wild and for juveniles cultivated in the laboratory. The specimens were collected monthly between January, 2003 to August, 2005, in Lami region, municipality of Porto Alegre, state of Rio Grande do Sul, Brazil. The VON BERTALANFFY (1938) growth model was used to estimate the growth curve . To calculate the modal values from the frequency distributions the software PeakFit 4.12© SeaSolve Inc., was employed. The growth curve for field animals is described by the equation: Lt = 30,98 [1 - e-0,0026 (t+44,86)] and for the juveniles...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Crayfish; Growth curve; Von Bertalanffy.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100009

Organization and variation of mitochondrial DNA control region in pleurodiran turtles
Provedor de dados: 103
Autores: Wang,Ling; Zhou,Xuming; Nie,Liuwang.
Three complete mitochondrial DNA (mtDNA) control regions (CRs) of Chelodina rugosa (Ogilby, 1890), Chelus fimbriata (Schneider, 1783), and Podocnemis unifilis (Troschel, 1848) were firstly determined using Long-PCR method and the length were 1,016 bp, 1,149 bp, and 985bp, respectively. Together with CRs of Pelomedusa subrufa (Bonnaterre, 1789) and nearly complete CR of Podocnemis expansa (Schweigger, 1812) obtained from GenBank, the structural and evolutionary characteristics of mtDNA CRs in pleurodiran turtle were analyzed in this study. We identified three functional domains (TAS, CD, and CSB domains) as well as their conservation sequences (TAS, CSB-F, and CSB-1) according to their homology to those of other turtles. Within the TAS domain, an...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Control region; CSB; Mitochondrial DNA; Molecular evolution; Pleurodira.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400011

Two new species of Triplectides (Trichoptera: Leptoceridae) from South America
Provedor de dados: 103
Autores: Henriques-Oliveira,Ana Lucia; Dumas,Leandro Lourenço.
Triplectides, with about 70 extant species, is the most diverse genus within the Triplectidinae. In the Neotropical Region there are 14 species distributed from southern Mexico to Patagonia. Two new species of Triplectides from the Neotropics are described and illustrated based on the male genitalia: Triplectides cipo sp. nov., from state of Minas Gerais, southeastern Brazil, and Triplectides qosqo sp. nov., from province of Cuzco, southern Peru. The news species can be distinguished by the male genitalia: Triplectides cipo sp. nov. can be recognized by having the inferior appendages with mesal lobes subacute and apical lobes short, and the tergum X robust, with a subtruncate apex and deep mesal notch; Triplectides qosqo sp. nov. can be recognized by the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Caddisflies; New species; Peru; Triplectidinae.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100066

Diet of Brachycephalus brunneus (Anura: Brachycephalidae): in the Atlantic Rainforest of Paraná, southern Brazil
Provedor de dados: 103
Autores: Fontoura,Pedro Luiz; Ribeiro,Luiz Fernando; Pie,Marcio Roberto.
Saddleback toads (Brachycephalidae: Brachycephalus) are a remarkable group of highly endemic species from the southern Atlantic Rainforest of Brazil. They are brightly colored, diurnal, minute frogs that live in the leaf litter of high-elevation cloud forests. Little is known about the natural history of these frogs, particularly their diet. In the present study we provide the first published account of a Brachycephalus species diet. Specimens of Brachycephalus brunneus Ribeiro, Alves, Haddad &amp;amp; Reis, 2005 (N = 20) were collected from two locations in the Serra do Mar mountain range in the state of Paraná, southern Brazil. A total of 137 food items were recorded, with Acari being the most common item (62.4%). This prevalence is much higher than the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acari; Feeding; Foraging; Litter frog.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500019

Changes in the size of cephalic salivary glands of Apis mellifera and Scaptotrigona postica (Hymenoptera: Apidae) queens and workers in different life phases
Provedor de dados: 103
Autores: Poiani,Silvana B.; Cruz-Landim,Carminda da.
The bee species of the Apinae, in addition to the thoracic salivary glands, possess a pair of cephalic glands originating as branches of the excretory duct that crosses the head. These glands are known as cephalic salivary or labial cephalic glands. The degree of development of these glands in newly emerged, nurse and forager workers and virgin and egg-laying queens of Apis mellifera Linnaeus, 1758 and Scaptotrigona postica Latreille, 1807 were evaluated by measuring the secretory alveolar units. The area of the secretory alveoli, measured in total gland preparations, was used to evaluate differences in size. In both species, gland size was found to increase progressively from newly emerged workers to foragers and from virgin to egg-laying queens. A...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bee; Labial gland; Morphometry; Pheromone; Salivary system.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600018

Taxonomic notes of Hemixantha (Diptera: Richardiidae) with description of a new species from the Amazon Region
Provedor de dados: 103
Autores: Wentd,Lisiane Dilli; Ale-Rocha,Rosaly.
Richardiidae is represented by ca. 180 species in 33 genera. A new species of Hemixantha, now totaling 20 species, is described from the Amazon Region, state of Pará, Brazil, and from Teoponte, Bolivia. Hemixantha maculosa sp. nov., H. picta Hennig, 1937 and H. pulchripennis Hendel, 1911 are richardiids known to have an extensively banded wing pattern. Hemixantha maculosa sp. nov. represents the first record of Hemixantha from the state of Pará and this species can be distinguished from H. picta and H. pulchripennis by anepisternum and dorsal half of anepimeron bright yellow and vein R2+3 slightly sinuous. Besides the hyaline areas on the wing of H. maculosa are very distinct from these other species, as follows: (1) subtrapezoidal median area in cell cua1...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hemixantha maculosa sp. nov.; Neotropical; New record; Terminalia; Wing.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000100010

Occurrence and morphometrics of the brachioradialis muscle in wild carnivorans (Carnivora: Caniformia, Feliformia)
Provedor de dados: 103
Autores: Junior,Paulo de Souza; Santos,Lucas M.R.P. dos; Nogueira,Daniele M.P.; Abidu-Figueiredo,Marcelo; Santos,André L.Q.
The brachioradialis is an important muscle that acts in the external rotation of the forearm (supination). However, its occurrence is controversial and little studied in the order Carnivora. Thus, this study investigates the occurrence and anatomo-functional arrangement of this muscle in wild carnivorans species. Fifty-eight thoracic limbs of specimens from species of Canidae, Procyonidae, Mustelidae and Felidae were dissected. Measurements of the length of the muscle (ML), the length of the forearm (FL), latero-medial width of the muscle (MW) and the lateral-medial diameter of the forearm (FD) were obtained to establish the ratios MW/FD and ML/FL in order to investigate the relative proportion of the muscle in relation to the forearm of each species. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Comparative anatomy; Forelimb; Myology.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100023

Actual status of fishing reserves of the Yesil River
Provedor de dados: 103
Autores: Kurzhykayev,Zhumagazy; Syzdykov,Kuanysh; Assylbekova,Ainur; Sabdinova,Dinara; Fefelov,Viktor.
ABSTRACT In this article, the study and prediction of the state of fish resources in the Yesil River was carried out to determine the boundary reference points of the reserve and management decisions in case they are exceeded, to ensure sustainable fisheries and preserve biological diversity. Ichthyological studies, retrospective analyses and rankings of the effects of the water supply of the Yesil River on fish stocks have been carried out, critical values of the biomass of fishing reserves have been determined, as criteria for biologically safe fishing values and targets for management of fish stocks at reaching the boundary values of 24.03 tonnes have been established. According to the results of studies of basic biological indicators, it was determined...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biomass of fishing reserve; Catch; Fish productivity; Ichthyological studies.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100323

Errata
Provedor de dados: 103
Tipo: Info:eu-repo/semantics/other
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100023

Species of Drosophila (Diptera: Drosophilidae) attracted to dung and carrion baited pitfall traps in the Uruguayan Eastern Serranías
Provedor de dados: 103
Autores: Goñi,Beatriz; Remedios,Mónica; González-Vainer,Patricia; Martínez,María; Vilela,Carlos R.
This study investigates the species richness and abundance of Drosophila Fallén, 1823 attracted to dung and carrion baited pitfall traps in natural areas with heterogeneous habitats at the Sierra de Minas, Eastern Serranías, southeastern Uruguay. Collecting was carried out on a monthly basis (May 2002 through April 2003). Drosophilids accounted for 0.84% (n = 131) and 3.61% (n = 158) of the Diptera collected from dung (n = 15,630) and carrion (n = 4,382) pitfall traps, respectively. A total of 12 species were identified, 11 of which belong to the subgenus Drosophila (the richest) and one to the subgenus Sophophora Sturtevant, 1939. Over 90% of the Drosophila specimens collected belong to five species of the subgenus Drosophila, namely D. gaucha Jaeger...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Coprophilous; Drosophilinae; Necrophilous; Neotropical Region.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000400004

Variation in cytochrome-b haplotypes suggests a new species of Zygodontomys (Rodentia: Cricetidae) endemic to Isla Coiba, Panama
Provedor de dados: 103
Autores: González,Publio; Sawyer,Yadéeh E.; Avila,Mario; Armién,Aníbal G.; Armién,Blas; Cook,Joseph A.
The identity of two insular populations of rodents of the nominal species, Zygodontomys brevicauda (Allen &amp;amp; Chapman, 1893), from the Veragua Archipelago was examined. The mitochondrial cytochrome-b gene was sequenced from specimens collected on Isla Coiba (n = 10), Isla Cébaco (n = 3) and on the nearby Peninsula Azuero (n = 3) in Panama and compared with sequences of Z. brevicauda and a number of other related species from GenBank. For Panama, phylogenetic analyses identified two clades within Zygodontomys Allen, 1897; one representing Isla Coiba and another clade composed of rats from Isla Cébaco and from the mainland on the Peninsula Azuero, as well as a GenBank sequence of Z. brevicauda from Venezuela. We suggest that the population from Isla...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cébaco; Island; Mammal; Panamá.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400014

Introduced and native Phlebobranch and Stolidobranch solitary ascidians (Tunicata: Ascidiacea) around Salvador, Bahia, Brazil
Provedor de dados: 103
Autores: Rocha,Rosana M.; Bonnet,Nadia Y.K.; Baptista,Mariah S.; Beltramin,Fabiele S.
The Port of Salvador (12°58'S, 38°30'W) receives cargo ships from different regions such as southeast Asia, North Atlantic, Mediterranean, Africa, North and South America. Thus, the presence of this port enhances the probability of new species arriving and establishing in Todos os Santos Bay (TSB), in which the port is located. Ascidians are sessile filter-feeding invertebrates with short lived larvae and thus are good indicators of bioinvasion. We surveyed the ascidian fauna on three different occasions: August 1999, June 2004 and December 2007. Nineteen species were identified belonging to the following families: Ascidiidae (Phallusia nigra, Ascidia cf. multitentaculata, A. nordestina, A. papillata, A. scalariforme, A. cf. tapuni, A. tenue), Corellidae...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Baía de Todos os Santos; Biodiversity survey; Exotic species; Sea squirt.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100005

Reproductive biology of Palmistichus elaeisis (Hymenoptera: Eulophidae) with alternative and natural hosts
Provedor de dados: 103
Autores: Pereira,Fabricio F.; Zanuncio,José C.; Pastori,Patrik L.; Chichera,Roberto A.; Andrade,Gilberto S.; Serrão,José E.
Mass rearing of parasitoids depends on choosing appropriate alternative hosts. The objective of this study was to select alternative hosts to rear the parasitoid Palmistichus elaeisis Delvare &amp;amp; LaSalle, 1993 (Hymenoptera: Eulophidae). Pupae of the lepidopterans Anticarsia gemmatalis Hübner, 1818 (Lepidoptera: Noctuidae), Bombyx mori Linnaeus, 1758 (Lepidoptera: Bombycidae) and Thyrinteina arnobia (Stoll, 1782) (Lepidoptera: Geometridae) were exposed to parasitism by females of P. elaeisis. The duration of the life cycle of P. elaeisis was 21.60 ± 0.16 and 24.15 ± 0.65 days on pupae of A. gemmatalis and B. mori, respectively, with 100.0% parasitism of the pupae and 71.4 and 100.0% emergence of parasitoids from the first and second hosts,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anticarsia gemmatalis; Bombyx mori; Parasitoids; Thyrinteina arnobia.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600008

A new species of Lelegeis (Coleoptera: Tenebrionidae: Diaperini) from the Atlantic Forest of Brazil
Provedor de dados: 103
Autores: Aloquio,Sergio; Lopes-Andrade,Cristiano.
ABSTRACT Lelegeis Champion, 1886 occurs only in the Neotropical region and comprises four species: L. aeneipennis Champion, 1886 from Mexico; L. apicalis Laporte &amp; Brullé, 1831 from Cuba; L. hispaniolae Triplehorn, 1962 from Haiti and the Dominican Republic; and L. nigrifrons (Chevrolat, 1878) occurring in Brazil, Mexico, Panama, Peru and Venezuela. Here, Lelegeis pytanga sp. nov. is described based on specimens collected in the Atlantic Forest of Brazil, and the first detailed description of the sclerites of the male and female terminalia of Lelegeis is produced. The new species can be easily distinguished from the other Lelegeis by its dull reddish brown to reddish orange elytral coloration, while the remaining body surface is dull black. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Darkling beetle; Diaperinae; Host fungi; Southeast Brazil.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100322

Morphological study of the gastrointestinal tract of Larimichthys crocea (Acanthopterygii: Perciformes)
Provedor de dados: 103
Autores: Kalhoro,Hameeda; Tong,Shengli; Wang,Lei; Hua,Ying; Volatiana,Josie Ancella; Shao,Qingjun.
ABSTRACT The present study aimed to investigate the macroscopic and histological structure of the gastrointestinal tract (GIT) of Larimichthys crocea (Richardson, 1846). It consists of esophagus, stomach regions, pyloric caeca, intestinal regions, and rectum. Sixteen tubular light yellowish pyloric caeca of similar sizes were observed in all individuals. The digestive wall consists of mucosa, submucosa, muscularis, and adventitia. No major differences appeared in the structure of the tunica, epithelial cell types, connective tissues and musculature glands of L. crocea GIT. The mucosal epithelia in the oesophagus has longitudinal branched folds with frontward and hindmost zones. The gastric tunica mucosa has a characteristic folded structure and can be...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anatomy; Epithelial mucins; Gastrointestinal tract; Intestinal coefficient; Large yellow croaker.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100342

Description of the female of the orb-weaver spider Testudinaria gravatai (Araneae: Araneidae)
Provedor de dados: 103
Autores: Teixeira,Renato Augusto; Lise,Arno Antonio.
Testudinaria Taczanowski, 1879 includes nine valid species; only four of these species have both sexes described. In this paper we describe the female of T. gravatai Levi, 2005, which can be recognized specially by the abdominal pattern of spots. Testudinaria gravatai Levi, 2005 is similar to T. quadripunctata Taczanowski, 1879, but can be distinguished from that species by the presence of a single median excavation on the upper margin of the epigynal atrium; by copulatory duct almost straight in the basal portion and narrower in the distal portion. We have based our description on a single available female, collected in Criciúma, Santa Catarina, Brazil, a new locality record for the species.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Neotropical region; New record; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100019

Description of the immature stages of Leptonema tridens (Insecta: Trichoptera: Hydropsychidae) from southeastern Brazil with notes on its biology
Provedor de dados: 103
Autores: Nessimian,Jorge Luiz; Dumas,Leandro Lourenço.
The larva and pupa of Leptonema tridens Mosely, 1933 are described and illustrated. Larvae of L. tridens can be distinguished from other described larvae of Leptonema Guérin, 1843 mainly by the rodlike setae of the labrum and the forecoxa lacking processes, bearing only a row of spiniform setae on its inner surface. The specimens were collected in different localities of the Mantiqueira mountain range, Itatiaia massif, states of Minas Gerais and Rio de Janeiro, southeastern Brazil. Larvae build typical hydropsychid shelters and are found in rapids, attached to rocky substrates. Gut content analysis revealed that larvae are omnivorous-filterers.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aquatic insects; Atlantic Forest; Caddisflies; Mountain streams; Neotropics.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300021

Ecological niche differentiation between Acanthodactylus micropholis and A. khamirensis (Sauria: Lacertidae) in southern Iran
Provedor de dados: 103
Autores: Heidari,Nastaran.
ABSTRACT Acanthodactylus micropholis Heidari, Rastegar-Pouyani, Rastegar-Pouyani &amp; Rajabizadeh, 2013 and A. khamirensis Blanford, 1874 are genetically and morphologically distinct, but their ecological differentiation has not previously been evaluated. The ecological niche models of these two sister species Acanthodactylus were reconstructed using climate and geographical data. Species distribution modeling for A. micropholis and A. khamirensis was used to make predictions and showed that most parts of southern and southeastern Iran are suitable for the distribution of both species. Habitat suitability was mostly dependent upon minimum temperature of the coldest month and seasonal precipitation for A. micropholis and A. khamirensis, respectively. Niche...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ecological species concept; Fringed-toed lizard; Iranian Plateau; Precipitation; Temperature.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100308

A new genus and new species of spittlebug (Hemiptera: Cercopidae: Ischnorhininae) from Southern Brazil
Provedor de dados: 103
Autores: Paladini,Andressa; Cavichioli,Rodney Ramiro.
A new genus of spittlebug is described to include Gervasiella oakenshieldi sp. nov. (holotype male from Brazil, state of Paraná, municipality of Piraquara, Mananciais da Serra at 25°29'46"S, 48°58'54"W, 1000 m a.s.l., 15.XI.2008, P.C. Grossi leg., deposited in DZUP). In addition, Aeneolamia bucca Paladini &amp; Cavichioli, 2013 is transferred to Gervasiella gen. nov. based on the results of a cladistic analysis. Gervasiella gen. nov. can be distinguished from the other cercopid genera by the following: postclypeus inflated with upper portion black and basal one yellowish; color of tylus distinct from color of head and rostrum, barely reaching mesocoxae. Gervasiella oakenshieldi sp. nov. is diagnosed by having the head black with tylus white, postclypeus in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Neotropical Region; Phylogeny; Taxonomy.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100047

Distribution and relative abundance of large whales in a former whaling ground off eastern South America
Provedor de dados: 103
Autores: Andriolo,Artur; Rocha,Jesuina M. da; Zerbini,Alexandre N.; Simões-Lopes,Paulo C.; Moreno,Ignacio B.; Lucena,Alineide; Danilewicz,Daniel; Bassoi,Manuela.
Ship-based sighting surveys for cetaceans were conducted in the former whaling ground off the northeastern coast of Brazil. The cruises took place in winter and spring of 1998-2001 with the objectives of investigating current distribution and abundance of cetaceans, particularly large whale species taken during whaling. In 1998 the survey were conducted between the parallels 5°30'W and 9°S and the 200 m isobath and the meridian 033°W. A total of about 3,100 nm were surveyed between 1998 and 2001 Surveys were conducted using line transect methods from about 5-10°S, and from the coast to 33°W. A total of 151 sightings (203 individuals) of large whales were recorded on effort. The Antarctic minke whale - Balaenoptera bonaerensis (Burmeister, 1867) was the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bryde's whale; Minke whale; Sei whale; Sperm whale; South Atlantic.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500011

Fish predation on brachyuran larvae and juveniles in the Pinheiros river, Guaratuba Bay, Paraná, Brazil
Provedor de dados: 103
Autores: Costa,Paulo V.; Silva,Ubiratã A. T. da; Ventura,Robson; Ostrensky,Antonio; Angelo,Leandro.
Fish predation is thought to exert an important influence on the demographical dynamics of larvae and juveniles of estuarine brachyuran crabs but few studies have investigated this phenomenon in nature. In this study, fishes were captured during full moons (in January and February 2005), when many brachyuran species are known to release their larvae. Samples were carried out in the Pinheiros river, Guaratuba Bay, Paraná, Brazil. The stomach contents of collected fishes were surveyed to determine the species that are most likely to prey on brachyuran immature forms in this location. Two techniques were used to capture fishes: manual samplings, using a 5-mm mesh size net (1.8m depth), and bottom trawling with a 20-mm mesh size net. The collected specimens...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Crab; Megalopae; Osteichthyes; Predator; Ucides cordatus; Zoeae.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200005

Thermal ecology and thermoregulatory behavior of Coleodactylus natalensis (Squamata: Sphaerodactylidae), in a fragment of the Atlantic forest of northeastern, Brazil
Provedor de dados: 103
Autores: Sousa,Pablo A. G. de; Freire,Eliza M. X.
We studied the thermal ecology and thermoregulatory behavior of Coleodactylus natalensis Freire, 1999 in a remnant of a northern coastal patch of the Brazilian Atlantic Forest. Data were collected during four 20-day field excursions over the course of one year. We assessed the importance of substrate and air temperatures, in addition to time of exposure to sunlight, as relevant factors for the regulation of body temperature in this species. After each specimen was captured, body (Tb), substrate (Ts) and air (Ta) temperature were measured 10 cm above the ground, using a temperature sensor coupled to a fast response thermo-hygrometer. Ad libitum and focal animal methods were used to describe thermoregulatory behavior. The mean body temperature of C....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Behavior; Umbrophyle species.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600001

Diet of margay, Leopardus wiedii, and jaguarundi, Puma yagouaroundi, (Carnivora: Felidae) in Atlantic Rainforest, Brazil
Provedor de dados: 103
Autores: Bianchi,Rita de Cassia; Rosa,Aline F; Gatti,Andressa; Mendes,Sérgio L.
This study identifies the food habits of the margay, Leopardus wiedii (Schinz, 1821), and the jaguarundi, Puma yagouaroundi (É. Geoffroy Saint-Hilare, 1803), in the Vale do Rio Doce Natural Reserve and in the Sooretama Biological Reserve, Espírito Santo, Brazil. We determined the diet of both species by the analysis of scats. Fecal samples were collected from April 1995 to September 2000 and identified based on the presence of hairs that were ingested during self-grooming. Scats were oven-dried and washed on a sieve, and the screened material was identified using a reference collection. Of the 59 fecal samples examined, 30 were confirmed to be from the margay and nine of them from the jaguarundi. Mammals were the most consumed items in the diet of the...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Carnivores; Food habits; Mesopredators; Small felids.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100018

Occurrence and ecological implication of a tropical anguillid eel, Anguilla marmorata, in Brunei Darussalam, Borneo Island
Provedor de dados: 103
Autores: Zan,Nur Dhabita; Sarbini,Ain; Taha,Hussein; Tan,Iy Vonne; Azri,Azie; Kahar,Rafhiah; Metali,Faizah; Ahmad,Norhayati; Arai,Takaomi.
ABSTRACT Tropical anguillid eels account for two-thirds of the 19 species in Anguilla Schrank, 1798. However, information on the species diversity, geographical distribution, and life histories of the tropical eels is very limited. Recent studies suggested that morphological species identification of the tropical anguillid eels should be validated by molecular analysis for accurate identification. After surveying for three years, two anguillid eels were found in Brunei Darussalam, Borneo Island. They were firstly identified as Anguilla marmorata Quoy &amp; Gaimard, 1824 using morphological analysis and further gene analysis of cytochrome c oxidase subunit I (COI) confirmed the species identification. This study is the first comprehensive description of A....
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Catadromous fish; Geographical distribution; Giant mottled eel; Tropical anguillid eel; Tropical biodiversity.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100501

Does the golden lion tamarin, Leontopithecus rosalia (Primates: Callitrichidae), select a location whithin the forest strata for long distance communication?
Provedor de dados: 103
Autores: Sabatini,Vera; Ruiz-Miranda,Carlos R.
The effectiveness of auditory signals for long distance communication depends on environmental, biological and behavioral factors. Because the environment is not homogenous, it is expected that vocalizing animals would emit signals from locations (perches) that would facilitate call propagation and perception. Perching behavior has been widely documented in birds, but not in primates. The aim of this study was to ascertain whether golden lion tamarins - Leontopithecus rosalia (Linnaeus, 1766) - emit long calls from places (perch) within the forest strata that are higher above the ground with respect to places used for baseline behaviors. We compared the forest stratum (upper, middle and lower strata) and habitat type (hill, swamp and lowland forests) used...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bioacoustics; Communication; Perching.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200004

Aedes aegypti survival in the presence of Toxorhynchites violaceus (Diptera: Culicidae) fourth instar larvae
Provedor de dados: 103
Autores: Albeny,Daniel S; Martins,Gustavo F; Andrade,Mateus R; Krüger,Rodrigo F; Vilela,Evaldo F.
The mosquito Aedes aegypti (Linnaeus, 1762) is the main vector of dengue and yellow fever viruses. Different methods have been used to control A. aegypti, including chemical and biological tools. However, chemical control can lead to a subsequent increase in the mosquitoes' insecticide resistance, and biological control represents an important method as an alternative to insecticide usage. Larvae from the Toxorhynchites genus (Diptera: Culicidae) are predators of other mosquitoes and represent a potential natural biocontrol agent of A. aegypti larvae. In the present work, A. aegypti larval survival was studied in the presence of the neotropical Toxorhynchites violaceus (Wiedemann, 1821) fourth instar larvae. Toxorhynchites violaceus consumption of A....
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Predation; Survival.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400017

Activity budget and social behavior of urban capuchin monkeys, Sapajus sp. (Primates: Cebidae)
Provedor de dados: 103
Autores: Back,Janaína P.; Suzin,Adriane; Aguiar,Lucas M.
ABSTRACT Constant changes in natural environments impose challenges to wild animal populations, especially those that depend on social life. We gathered data on the activity budget and social interactions of a capuchin monkey (Sapajus sp.) group of 17 individuals confined to an urban green area receiving human food supplementation. We observed the capuchins between 7:00 am and 5:00 pm, three days a month, between January 2012 and June 2013 (total of 530 hours of direct observations). We collected 15,208 behavioral records through instantaneous scan sampling and 2,538 events of social interaction in an adapted version of the “all occurrences” method. Activity budget of capuchins was dominated by traveling (42%) and foraging (38%), followed by feeding (10%),...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anthropic influence; Food provisioning; Neotropical primates; Urban wildlife.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100313

Morphometric differentiation of Glossophaga soricina soricina (Chiroptera: Phyllostomidae) in three Brazilian biomes
Provedor de dados: 103
Autores: Louzada,Nathália S. V.; Pessôa,Leila M.
Glossophaga soricina soricina (Pallas, 1766) plays an important role in the ecosystems where it is found, taking part in the pollination of hundreds of plant species. Here, we statistically compared 12 external characters of 169 specimens collected in three Brazilian biomes: 82 in the Pantanal (Mato Grosso), 45 in the Atlantic Forest (Ilhéus, Bahia) and 42 in the Caatinga (Chapada Diamantina, Bahia). Each character was analyzed by descriptive and inferential statistics. The t-test didn't detect any differences between males and females of each population. The ANOVA with a posteriori Tukey test showed significant results for all traits (Forearm length, Calcar length, Body length, Tail length, Hindfoot length, Ear length, Tragus length, Thumb length,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Caatinga; Glossophaginae; Morphometry; Pantanal.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400007

A new Scinax of the S. catharinae species group from Central Brazil (Amphibia: Anura: Hylidae)
Provedor de dados: 103
Autores: Pombal Jr,José P.; Carvalho Jr,Ronald R.; Canelas,Marco Antônio S.; Bastos,Rogério P.
A new species of Scinax Wagler, 1830 belonging to the S. catharinae species group is described from the state of Goiás, in the Cerrado Biome, Brazil. Scinax skaios sp. nov. is characterized by short snout-vent length (males ranging 23.2-29.6 mm; females 30.7- 36.1 mm), snout subovoid in dorsal view and protruding in lateral view; no tubercle on canthus rostralis; an inverted triangular interorbital blotch; no externally expanded vocal sac; dorsal skin texture moderately rugose; absence of a thick externally well differentiated inguinal gland; hidden areas of the thigh with vermiculate color pattern. The descriptions of the vocalizations are provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibians; Cerrado; Dendropsophini; New species; Scinax skaios sp. nov.; Vocalization.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500016

Use of food resources by small fish species in Neotropical rivers: responses to spatial and temporal variations
Provedor de dados: 103
Autores: Silva,Jislaine Cristina da; Gubiani,Éder André; Delariva,Rosilene Luciana.
Spatial and temporal variations in food supply play a crucial role in the determination of the patterns of food use by fish species. This study evaluated spatial and temporal variations in food utilization by small fish species of the Verde River, Upper Paraná River Basin, state of Mato Grosso do Sul, Brazil. Samplings were conducted in the rainy and dry periods, from November 2010 to August 2012, using trawls, cast nets and gillnets, in nine sampling sites grouped into three biotopes: upstream and downstream of the Branca Waterfall, and tributary. The stomach contents of 3,263 individuals of 12 small species were examined according to the volumetric method. Altogether, 31 food items were identified. Overall seed consumption was greater in the rainy...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Allochthonous resources; Diet; Fish fauna; Seasonality; Upper Paraná River Basin.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500004

Ecology of Ischnocnema parva (Anura: Brachycephalidae) at the Atlantic Rainforest of Serra da Concórdia, state of Rio de Janeiro, Brazil
Provedor de dados: 103
Autores: Martins,Ana Cristina J. S.; Kiefer,Mara C.; Siqueira,Carla C.; Van Sluys,Monique; Menezes,Vanderlaine A.; Rocha,Carlos Frederico D.
Ischnocnema (Brachycephalidae) includes many species that are important members of the leaf litter frog communities in the Atlantic Rainforest of Brazil. Ischnocnema parva (Girard, 1853) is endemic to the Atlantic Rainforest biome and is restricted to the forests of southeastern Brazil. Currently, the available information about the ecology of I. parva is scarce. We studied the diet, the habitat use, reproduction and density of I. parva in an area of Atlantic Rainforest at the Concórdia mountain range, Rio de Janeiro. Individuals of I. parva were captured in April 2005 using different sampling methods: time constrained search (transects), plots of 5 x 5 m (25 m²) on the litter, and pitfall traps with drift fences. We found 240 frogs; 35 females and 205...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Activity; Density; Diet; Habitat use; Reproduction.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200007

The copepod assemblage (Copepoda: Crustacea) on the inner continental shelf adjacent to Camamu Bay, northeast Brazil
Provedor de dados: 103
Autores: Dias,Cristina de Oliveira; Bonecker,Sérgio Luiz Costa.
The copepod assemblage on the inner continental shelf adjacent to the coastal system of Camamu Bay (state of Bahia, Brazil) is described in relation to hydrographic conditions, during the wet and dry seasons of 2004. The zooplankton samples were obtained in vertical tows using a net with 200 µm mesh size. Temperature and salinity were measured, and the total density, frequency and percentage occurrence of the copepod taxa were determined for each sampling period. The highest densities were observed at the entrance of Camamu Bay (up to 7.473 ind.m-3), and the lowest on the adjacent inner continental shelf south of Camamu Bay (less than 500 ind.m-3). A total of 57 copepod taxa were identified. Paracalanus quasimodo Bowman, 1971, Subeucalanus pileatus...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coastal region; Spatial-temporal variation; Tropical zone; Zooplankton.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400007

Isotopic signatures (δ 13C and δ15N) of muscle, carapace and claw in Phrynops geoffroanus (Testudines: Chelidae)
Provedor de dados: 103
Autores: Marques,Thiago S.; Tassoni-Filho,Maurício; Ferronato,Bruno O.; Guardia,Isabela; Verdade,Luciano M.; Camargo,Plínio B. de.
The isotopic composition ( δ13C and δ 15N) of muscle, carapace and claw was determined from six wild individuals of Phrynops geoffroanus (Schweigger, 1812) in order to verify the variation between those tissues. The mean values of δ13C e δ 15N were, respectively, -19.48 ± 0.81‰ (-20.8 - -18.64‰) and 7.23 ± 0.67‰ (6.49 - 8.3‰) for muscle, -16.52 ± 0.98‰ (-17.88 - -15.43‰) and 7.29 ± 0.54‰ (6.74 - 7.97‰) for carapace and -18.57 ± 0.97‰ (-19.97 - -17.26‰) and 4.36 ± 0.33‰ (3.93 - 4.79‰) for claw. We found a significant difference for the tissues evaluated for both δ13C and δ15N. Muscle and claw were statistically similar and more depleted in 13C than the carapace. Nonetheless, claw was more depleted in 15N than muscle and carapace tissues. These results are...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Freshwater turtles; Geoffroy's side-necked-turtle; Metabolic processes; Stable isotope.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300016

Selection of habitat by the jaguar, Panthera onca (Carnivora: Felidae), in the upper Paraná River, Brazil
Provedor de dados: 103
Autores: Cullen Junior,Laury; Sana,Dênis A.; Lima,Fernando; Abreu,Kauê C. de; Uezu,Alexandre.
We used data from VHF and GPS radio-tagged jaguars, Panthera onca (Linnaeus, 1758) to quantify jaguar habitat selection and how adult individuals in the Upper Paraná River region selected among the available habitat types. We followed the framework in which animals make decisions about resource use at hierarchical stages, namely selection of home range within a study area (second-order selection) and selection of patches within a home range (third-order selection). We quantified habitat preferences at two orders of selection with respect to habitat types and to test the null hypothesis that habitat utilization by jaguars was random at both study sites. Using compositional analysis, we assessed habitat selection by jaguars at second- and third-orders of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Habitat preference; GPS and VHF telemetry; Compositional analysis; Large predator; Neotropical felid guild.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400003

Fish habitat associations along a longitudinal gradient in a preserved coastal Atlantic stream, Brazil
Provedor de dados: 103
Autores: Wolff,Luciano Lazzarini; Hahn,Norma Segatti.
ABSTRACT Habitat conditions at multiple scales are one of the major factors structuring ichthyofauna. Thus, we analyzed the fish habitat associations along the headwater-mouth gradient of a coastal Atlantic stream. We categorized the sampling sites into habitat units, so that in the middle reach these categories were statistically differentiated into riffles, runs and pools. Samplings were carried out quarterly from May 2009 to February 2010 using electrofishing. Principal component analysis (PCA) indicated an environmental gradient from higher water velocity and rocky bottom to deeper and sandy areas in the headwater-mouth direction. A total of 1,495 individuals belonging to 27 species were captured, being 13, 18 and 22 from headwater, middle and mouth...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Abiotic gradient; Diversity; Ichthyofauna; Mesohabitat; Multiple scales.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100335

Foam nest in Scinax rizibilis (Amphibia: Anura: Hylidae)
Provedor de dados: 103
Autores: Bastos,Rogério P.; Haddad,Célio F. B.; Pombal Jr,José P.
During the intervals of February 1993 to January 1994 and November 1994 to February 1995, in the southern São Paulo state, we studied the breeding activity of Scinax rizibilis (Bokermann, 1964), the only known hylid species with oviposition in foam nests. The foam nests were constructed by female jumps, during the oviposition. The clutches contained 850-1250 eggs, which were almost black, except for the small clear vegetative pole. The construction of foam nest in S. rizibilis is unique among the other species with this characteristic. The complexity of a foam nest is intermediate, and egg development was faster when eggs were surrounded by foam. It is possible to recognize a progression from less developed structures, represented by the bubble nests of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Oviposition; Reproduction; Treefrog.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600007

Coordinated feeding behavior of the Guiana dolphin, Sotalia guianensis (Cetacea: Delphinidae), in southeastern Brazil: a comparison between populations
Provedor de dados: 103
Autores: Oliveira,Elaine C. da S.; Tardin,Rodrigo H.; Poletto,Fabiana R.; Simão,Sheila M.
The coordinated feeding tactics used by delphinids are influenced by differences in the distribution of prey species, season, and opportunities for social learning. In the present study, we compared the coordinated feeding behavior of two populations of the Guiana dolphin, Sotalia guianensis, in southeastern Brazil, and how these feeding tactics vary seasonality and in the presence of calves. We observed eight types of coordinated feeding tactics, which differed in frequency and in the mean number of individuals engaged in them, and between both areas. Feeding tactics used to herd and capture prey were the most frequent and engaged a greater number of individuals, suggesting that these tactics are better for capturing fish that gather in larger schools....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cetaceans; Coordinated hunt; Feeding tactics; Prey; Social behavior.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600001

Chilling to the bone: Lower temperatures increase vertebrate predation by Tonatia bidens (Chiroptera: Phyllostomidae)
Provedor de dados: 103
Autores: Carvalho,Fernando; Bôlla,Daniela A.S.; Mottin,Viviane; Kiem,Suelen Zonta; Zocche,Jairo J.; Passos,Fernando C.
ABSTRACT The greater round-eared bat, Tonatia bidens (Spix, 1823), is a medium-sized phyllostomid bat distributed in the north of Argentina, Paraguay and Brazil. The diet and foraging patterns of this species are poorly known. We analyzed the composition of the diet of a population of T. bidens and how the temperature influences the consumption of vertebrates and invertebrates. To describe diet composition, we conducted weekly collections of food scrap from two monospecific night-perches. Data of temperature for the study period were taken from the meteorological station installed 300 m from the collection perches. The influence of temperature was evaluated using generalized linear models (GLMs) with negative binomial distribution. Tonatia bidens consumed...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Bat diet; Diet seasonality; Invertebrate predation; Trophic guild.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100307

What makes the heart of Boa constrictor (Squamata: Boidae) beat faster?
Provedor de dados: 103
Autores: Rodrigues,João Fabrício Mota; Braga,Roberta da Rocha; Ferreira,Thaís Helena Alencar; Pinheiro,Estéfanni de Castro; Araújo,Géssica dos Santos; Borges-Nojosa,Diva Maria.
Body size is highly correlated with metabolism, which in turn influences physiological rates such as heart rate. In general, heart rate is negatively influenced by the size of animal's body, but there is insufficient data corroborating this pattern in snakes. This study evaluated how body size affects heart rate in captive Boa constrictor Linnaeus, 1758. We measured the heart rate of 30 snakes using digital palpation and evaluated how this rate is influenced by body mass and sex using Analysis of Covariance (ANCOVA). The heart rate of the snakes was 58.8 ± 6.7 bpm (beats per minute). Body size, estimated as log-transformed body mass, negatively influenced heart rate (F1,28 = 10.27, p = 0.003, slope = -0.00004, R2 = 0.27), but sex had no effect (F1,27 =...
Tipo: Info:eu-repo/semantics/report
Palavras-chave: Body size heart rate intraspecific variation metabolism; Physiology snakes.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100083

Two new Neotropical species of Drosophilinae (Diptera: Drosophilidae) from Uruguay
Provedor de dados: 103
Autores: Goñi,Beatriz; Vilela,Carlos R.
ABSTRACT Two new species of Drosophilidae from Uruguay are described and illustrated: Drosophila montevidensis sp. nov. (Holotype male in MZSP: Facultad de Agronomía, Universidad de la República, Montevideo city, Department of Montevideo), and Scaptomyza pipinna sp. nov. (Holotype male in MZSP: Sarandí del Consejo, near north shore of Laguna de Castillos, Department of Rocha). The former species belongs to the D. tripunctata group and is sibling to Drosophila nappae Vilela, Valente &amp; Basso-da-Silva, 2004, differing mainly in characters of the aedeagus. The latter is closely related to Scaptomyza striaticeps Wheeler &amp; Takada, 1966, from which it can be distinguished by color and terminalia characters. The new Drosophila species was successfully...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Argentina; Drosophila tripunctata group; Karyotypes; Mesoscaptomyza; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000603010

Seasonal and spatial differences in feeding habits of the Neotropical otter Lontra longicaudis (Carnivora: Mustelidae) in a coastal catchment of southeastern Brazil
Provedor de dados: 103
Autores: Rheingantz,Marcelo L; Waldemarin,Helen F; Rodrigues,Lívia; Moulton,Timothy P.
The diet of the Neotropical otter Lontra longicaudis (Olfers, 1818) is one of the best known aspects of its biology throughout its distribution range. However, most dietary studies have been undertaken during short time periods, making it difficult to identify temporal patterns in the feeding behavior of the species. The present study aimed to describe the diet of L. longicaudis in the lower region of the Mambucaba Catchment, state of Rio de Janeiro, Brazil, during a three year period, based on analyses of spraints (feces). The results show fish as the main prey item (frequency of occurrence, FO = 85.78%), as already described in previous studies. Crustaceans were the second main prey (FO = 70.67%), occurring in the spraints during the whole year, however...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Diet; Feeding ecology; Lutrinae; Southeastern Brazil; Spraint analysis.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100006

Insecticide resistance and genetic variability in natural populations of Aedes (Stegomyia) aegypti (Diptera: Culicidae) from Colombia
Provedor de dados: 103
Autores: Aguirre-Obando,Oscar A.; Bona,Ana C. Dalla; Duque L.,Jonny E.; Navarro-Silva,Mário A.
Mosquito control prevails as the most efficient method to protect humans from the dengue virus, despite recent efforts to find a vaccine for this disease. We evaluated insecticide resistance and genetic variability in natural populations of Aedes aegypti (Linnaeus, 1762) from Colombia. This is the first Colombian study examining kdr mutations and population structure. Bioassays with larvae of three mosquito populations (Armenia, Calarcá and Montenegro) were performed according to the World Health Organization (WHO) guidelines, using Temephos. For the analysis of the Val1016Ile mutation and genetic diversity, we sampled recently-emerged adults from four mosquito populations (Armenia, Calarcá, Montenegro and Barcelona). Following the WHO protocol, bioassays...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bioassays; Gene flow; Knockdown resistance; Mitochondrial DNA; ND4 gene.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100014

A new species of Anna (Mollusca: Neogastropoda: Buccinidae) from Brazil
Provedor de dados: 103
Autores: Coltro,José; Dornellas,Ana Paula S.
Anna capixaba, a new species found in depths of 45-60 m off the coast of the state of Espírito Santo, southeastern Brazil, is herein described. The new species is mainly characterized by a teleoconch of 4.5 whorls, weakly demarcated from the protoconch; sculptured by rounded, prominent, narrowly-separated, spiral threads; outer lip with 5-6 teeth, posterior tooth stronger; columella with two plicae, smooth.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Continental shelf; New species; Taxonomy; Western Atlantic.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100012

Advertisement call of Dendropsophus microps (Anura: Hylidae) from two populations from southeastern Brazil
Provedor de dados: 103
Autores: Forti,Lucas Rodriguez; Márquez,Rafael; Bertoluci,Jaime.
In anurans, acoustic communication is a major mechanism of pre-zygotic isolation, since it carries information about species recognition. Detailed descriptions of the acoustic properties of anuran advertisement calls provide important data to taxonomist and to the understanding of the evolution of the group. Herein we re-describe the advertisement call of the hylid frog Dendropsophus microps (Peters, 1872) after analyzing a larger sample than that of previous descriptions. We also compare the acoustic properties of the call in two populations and discuss the effect of the presence of the sister species, Dendropsophus giesleri (Mertens, 1950), a potential competitor, in one of the populations. Additionally, we provide information on calling sites and size...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acoustic traits; Amphibia; Bioacoustics; Call evolution; Competition.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000300187

Rediscovery of Melanepyris (Hymenoptera: Bethylidae): a new synonym of Epyris
Provedor de dados: 103
Autores: Azevedo,Celso O.; Alencar,Isabel D. C. C.
Melanepyris Kieffer, 1913 was proposed to accommodate a single species of Epyris Westwood, 1832, E. imicola Kieffer, 1913, mainly based on the absence of the posterior propodeal carina. Today, Melanepyris includes only two nominal species. The type-material of these species has been considered lost since their original description. In this study, the single known adult male (holotype) of Melanepyris asiaticus Kieffer, 1922 from the Philippines has been rediscovered, redescribed and illustrated. Melanepyris asiaticus is transferred to Epyris Westwood due to the following features: scutellar groove absent, well separated scutellar pits and lower mesopleural fovea large and with undefined upper margin. We checked the original description of M. imicola and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chrysidoidea; Epyrini; Ethiopic Region; New combination; Oriental Region.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300012

Hybrids between Pseudoplatystoma corruscans and P. reticulatum (Siluriformes: Pimelodidae) previously reported in the Upper Paraná River are likely escapes from aquaculture farms: evidence from microsatellite markers
Provedor de dados: 103
Autores: Baggio,Rafael A.; Moretti,Caroline B.; Bialetzki,Andréa; Boeger,Walter A.
ABSTRACT The production of hybrids of the 'pintado', Pseudoplatystoma corruscans (Spix &amp; Agassiz, 1829) and 'cachara', Pseudoplatystoma reticulatum (Eigenmann &amp; Eigenmann, 1889) in captivity has generated many concerns about the possibility of introduction of farmed hybrids into natural environments. In the last decade, hybrids between these species, known as 'pintachara' or 'cachapinta', were reported from different regions of the Upper Paraná River basin. Prospection of these hybrids is important in order to orient conservation programs for the species involved. Knowledge of the presence of these hybrids will direct conservation strategies towards prevention and/or mitigation of the effects of cross breeding in natural populations of P....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Conservation genetics; Fish larvae; Interspecific hybrids; Introgression; Molecular markers.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000201303

Two new land planarian species (Platyhelminthes: Tricladida) from the Brazilian Atlantic Forest
Provedor de dados: 103
Autores: Almeida,Ana Laura; Kishimoto,Raquel Gualda; Carbayo,Fernando.
The Brazilian Atlantic Forest harbors the world's richest areas of land planarians (Platyhelminthes: Tricladida). Nevertheless, the number of undiscovered species from this biological unit remains seemingly high. Herein we describe Geoplana piriana Almeida &amp;amp; Carbayo, sp. nov. from the state of Rio de Janeiro, and Geoplana tingauna Kishimoto &amp;amp; Carbayo, sp. nov. from the state of Santa Catarina. Each species shows a dorsum with a unique color pattern among Geoplaninae species. Their internal morphology also differs: G. piriana sp. nov. shows a unique combination of features, including an extrabulbar, non-bifurcated prostatic vesicle, a non-folded male atrium, a horizontal, cylindrical penis papilla, a female atrium anteriorly narrowed, and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Flatworms; Geoplaninae; Histology; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500006

Eloria subapicalis (Lepidoptera: Noctuidae: Lymantriinae): rare and specialist species on Erythroxylum (Erythroxylaceae) in the cerrado
Provedor de dados: 103
Autores: Diniz,Ivone R; Lepesqueur,Cintia; Milhomen,Michelle S; Bandeira,Fabiana C. S; Morais,Helena C.
Eloria subapicalis (Walker, 1855) is a rare species (61 individuals in four years of samplings) of Noctuidae (Lymantriinae) with a specific diet consisting of leaves of Erythroxylum P. Browne (Erytroxylaceae) species in Brasilia's cerrado. Generally, the rarity of a caterpillar species may have many explanations such as a generalist diet, being restricted to a host plant that is scarce in the area, or occurring in a limited geographical area. However, all the above explanations do not apply to E. subapicalis because it shows specificity of diet, uses a common host plant in the cerrado areas, and has a large geographical distribution.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Abundance; Diet specificity; Folivorous caterpillar; Host plants; Moths.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100009

Artificial nests as an alternative to studies of arboreal small mammal populations: a five-year study in the Atlantic Forest, Brazil
Provedor de dados: 103
Autores: Loretto,Diogo; Vieira,Marcus Vinícius.
Despite the great diversity of Brazilian Atlantic forest small mammals, natural history of most species is unknown due to their cryptic and nocturnal habits, but also due to the inadequacy of methods to capture some species, especially those of arboreal habits. A new technique, based on the use of artificial nests (AN) to record arboreal marsupials, is presented. Artificial nests were combined with traditional live traps to study the population ecology of four didelphid marsupial species. After 62 months of monitoring, 119 individuals were recorded 243 times (total success = 5.2%). Only 26 individuals (22%) were recorded by both AN and live trap methods, and two of the four species were never captured by live traps, only by AN. Live traps alone would have...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Didelphidae; Mark-recapture; Live trapping; Population dynamics; Marsupials.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300013

Pivotal temperature and sexual dimorphism of Podocnemis expansa hatchlings (Testudines: Podocnemididae) from Bananal Island, Brazil
Provedor de dados: 103
Autores: Lubiana,Adélio; Ferreira Júnior,Paulo Dias.
A common problem when trying to identify the sex of hatchling turtles is that juveniles are not obviously externally dimorphic and current techniques to identify sex are often invasive. In this paper, 300 eggs of Podocnemis expansa from Bananal Island, state of Tocantins (Brazil), were incubated at constant temperatures. The carapaces of the hatchlings were photographed and subjected to geometric morphometric analysis. The hatchlings were subsequently euthanized and had their gonads removed for sex determination. The pivotal temperature of P. expansa was 33.5ºC, confirming that this species has the highest pivotal temperature among reptiles. Geometric morphometric analysis of the shape of the carapace proved efficient in differentiating the sex of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carapace; Incubation; Morphometry; Sex ratio; Giant Amazon River turtle.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300016

Altered retina and cornea of Clarias gariepinus (Siluriformes: Clariidae) under the effect of bright and dim lights
Provedor de dados: 103
Autores: Sabry,Dalia A.; El-Badry,Dina.
ABSTRACT The purpose of this study was to investigate the influence of constant bright light on the cornea and retina of Clarias gariepinus (Burchell, 1822) and to examine whether it can change after constant exposure to dim light. Twenty-one adult individuals of C. gariepinus were divided into three groups (n = 7). The first group was maintained under normal light (NL). The second group was exposed to the intense bright light (BL) (3020 Lux) of white light lamps for seven days. The third group was exposed to dim light for seven days (DL) following the previous exposure to intense bright light for seven days. The eyes of each fish group were removed and fixed. The following aspects of the eye were investigated: histopathological, immunohistochemical (GFAP...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Catfish; Immunohistochemistry oxidative stress photoperiods retina.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100318

Severe population decline of marsh deer, Blastocerus dichotomus (Cetartiodactyla: Cervidae), a threatened species, caused by flooding related to a hydroelectric power plant
Provedor de dados: 103
Autores: Andriolo,Artur; Piovezan,Ubiratan; Costa,Mateus J.R. Paranhos da; Torres,Hermógenes A.; Vogliotti,Alexandre; Zerbini,Alexandre N.; Duarte,José M. B.
Balancing power production and environmental conservation can be problematic. The objective of this study was to investigate the abundance of marsh deer in the Paraná River Basin, above the Sergio Motta (Porto Primavera) Dam, before and after the impact of the dam closure. A fixed-wing, flat window aircraft was used to survey study transects. Observations were recorded based on the distance sampling line transect method, assuming that the detection probability decreases with increased distance. The abundance of marsh deer in the survey region prior to flooding was estimated to be 974 individuals (CV = 0.23). The overall abundance dropped from 974 to 444 (CV = 0.26) individuals after flooding, an overall reduction of 54%. This reduction can be attributed to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Abundance; Anthropogenic impact; Cervids; Distance sampling; Distribution.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600007

Seek and you shall find: new species of the rare genus Ornamentula (Gastrotricha: Chaetonotida) and first record outside of type-locality
Provedor de dados: 103
Autores: Minowa,Axell K.; Garraffoni,André R.S.
ABSTRACT Ornamentula Kisielewski, 1991 is a monospecific genus in Order Chaetonotida. The sole species, O. paraensis Kisielewsk, 1991, is a semiplanktonic gastrotrich found in a single pond in the Amazon region of Brazil. Herein we describe a new species of the genus Ornamentula, collected in a small urban lagoon in the Atlantic Forest of southeast Brazil. Ornamentula miyazakii sp. nov. resembles O. paraensis, but it shows differences in the ornamented trunk scales and spinal spines distribution, sufficient to proposte it as it’s a new species.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic rainforest; Semiplanktonic gastrotrich; Taxonomy; Urban lagoon.
Ano: 2021
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702021000100304

Reproduction of the flatfish Achirus lineatus (Pleuronectiformes: Achiridae) in Paranaguá Bay, state of Paraná, a subtropical region of Brazil
Provedor de dados: 103
Autores: Oliveira,Elton C. de; Fávaro,Luís Fernando.
The present study characterizes the oogenesis and the ovarian maturation scale, and determines the reproductive period, type of spawning, recruitment period, and population variations in the reproductive process of the flatfish Achirus lineatus (Linnaeus, 1758). Specimens were sampled on a monthly basis in the shallow near shore area of the Paranaguá Bay, state of Paraná, Brazil, from March 2006 to February 2007. The specimens collected were measured for morphometric data (total length and total weight) and their gonads were exposed for macroscopic evaluation. The gonads were subsequently removed, weighed and processed for microscopic analyses. Six phases of the ovarian follicle development were defined, as well as five ovarian development stages. Growth...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Oogenesis; Maturity scale; Reproductive period; Type of spawning; Sex ratio.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400004

Redescription of Ventania avellanedae (Stylommatophora: Odontostomidae), a land snail endemic to the Ventania Mountain System, Argentina
Provedor de dados: 103
Autores: Pizá,Julia; Cazzaniga,Néstor J.; Ghezzi,Natalia S.
ABSTRACT Although the presence of apertural folds and lamellae is the most recognizable character of the Odontostomidae, some species lack them, mostly in Anctus Martens, 1860, Bahiensis Jousseaume, 1877 and Moricandia Pilsbry &amp; Vanatta, 1898. Eudioptus avellanedae Doering, 1881 - a slender odontostomid species that lacks even the slightest trace of folds or lamellae in its shell aperture - was however transferred to Odontostomus by Pilsbry in 1902 on the basis of its building forward of the aperture-margins. It is currently placed in its own monotypic subgenus, Cyclodontina (Ventania) Parodiz, 1940, on the basis of about the same argument. In this paper we redescribe its shell morphology and, for the first time, describe the internal anatomy of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anatomy; Conservation; Endemisms; Gastropoda; Orthalicoidea.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100334

An assessment of the factors determining rotifer assemblage in river-lake systems: the effects of seasonality and habitat
Provedor de dados: 103
Autores: Serafim-Júnior,Moacyr; Perbiche-Neves,Gilmar; Lansac-Tôha,Fabio A.
ABSTRACT Zooplankton exhibit several trends of variation in space and time, and these trends can be more evident in natural environments without anthropic perturbations. Examples of anthropic factors are climate change, eutrophication and construction of reservoirs. This study evaluated the influence of three factors - seasonality, type of environment and the presence of aquatic macrophytes - on various ecological attributes of rotifers in a river-lake system located in the Paraná River floodplain. Monthly samplings were conducted during 1993 and 1994. The mean species richness per sample was 60 species. The seasonality and the type of environment influenced the ecological attributes of rotifer assemblages, while the presence or absence of aquatic...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ecology; Limnology; Rotifera; Upper Paraná River floodplain.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100305

Setting the reference for the use of Chironomus sancticaroli (Diptera: Chironomidae) as bioindicator: Ontogenetic pattern of larval head structures
Provedor de dados: 103
Autores: Rebechi,Débora; Navarro-Silva,Mário Antônio.
Species of Chironomidae are widely used as bioindicators of water quality, since their larvae undergo morphological deformities when in contact with sediment contaminated with chemicals. In this work we endeavored to study the morphology of head structures (antennae, mandible, mentum, pecten epipharyngis, ventromental plate and premandible) throughout the development of the four larval instars of Chironomus sancticaroli Strixino &amp;amp; Strixino, 1981, which can be used in environmental impact analyses. Our results show that it is possible to differentiate among larval instars by doing a quantitative analysis on the number of striae on the ventromental plates. The six structures analyzed changed during larval ontogeny. These changes are part of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bioindicator; Larva; Mosquito; Morphology.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000200009

Habitat use and movements of Glossophaga soricina and Lonchophylla dekeyseri (Chiroptera: Phyllostomidae) in a Neotropical savannah
Provedor de dados: 103
Autores: Aguiar,Ludmilla M.S.; Bernard,Enrico; Machado,Ricardo B.
The greatest current threat to terrestrial fauna is continuous and severe landscape modification that destroys and degrades animal habitats. This rapid and severe modification has threatened species, local biological communities, and the ecological services that they provide, such as seed dispersal, insect predation, and pollination. Bats are important pollinators of the Cerrado (woodland savanna) because of their role in the life cycles of many plant species. However, there is little information about how these bat species are being affected by habitat loss and fragmentation. We used radio-tracking to estimate the home ranges of Glossophaga soricina (Pallas, 1776) and Lonchophylla dekeyseri Taddei, Vizotto &amp;amp; Sazima, 1983. The home range of G....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bats; Brazil; Cerrado biome; Home range; Radio-tracking.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000300003

The use of the point count method for bird survey in the Atlantic forest
Provedor de dados: 103
Autores: Volpato,Graziele H.; Lopes,Edson V.; Mendonça,Luciana B.; Boçon,Roberto; Bisheimer,Maria V.; Serafini,Patrícia P.; Anjos,Luiz dos.
The point count method has been widely used in tropical forest for sampling bird communities. In the present study, we investigated if data on richness and abundance acquired using the point count method are different comparing spring/summer (breeding season) and fall/winter (non-breeding season) in three types of the Brazilian Atlantic forest. Twelve sites were sampled seasonally during one year. In general we recorded more species and individuals during the breeding seasons. However, bird communities vary seasonally among the forest types and functional groups. We demonstrate that the use of point counts in tropical forest should be adjusted considering the differences in forest types and feeding guilds.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Birds; Feeding guild; Seasonal changes; Survey method; Tropical forest.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100012

A new species of Bogidiella (Crustacea: Amphipoda: Bogidiellidae) from bore wells in Andhra Pradesh, Southern India
Provedor de dados: 103
Autores: Senna,André R.; Mugnai,Riccardo; Reddy,Yenumula Ranga.
A new amphipod species of Bogidiellidae Hertzog, 1936 is described and illustrated based on specimens collected from bore wells in the state of Andhra Pradesh, Southern India. The new species is closely related to those belonging to a group of Bogidiella species with inner rami of pleopods reduced or absent. Bogidiella totakura sp. nov. differs from all the other species in the group mainly by the shape, size and ornamentation on gnathopods and telson. This is the second Indian species of Bogidiella.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphipod; Biodiversity; Bogidiella totakura sp. nov.; Stygobiotic; Taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400013

Biologia reprodutiva de Echinometra lucunter (Echinodermata: Echinoidea) na Praia da Costa, Vila Velha, Espírito Santo
Provedor de dados: 103
Autores: Mariante,Fátima L. F.; Lemos,Gabriela B.; Eutrópio,Frederico J.; Gomes,Levy C.
Echinometra lucunter Linnaeus, 1758 is a tropical sea urchin with strong bioerosive potential. Consequently, this species has great ecological importance. The species occurs in high densities along the Brazilian coast, particularly in the south and southeast. The objective of this work was to evaluate both the effects of annual seasonality and the lunar cycle on the reproduction of E. lucunter. Individuals were sampled monthly for a period of one year and during four complete lunar cycles. The gonadosomatic index (GI) was calculated to determine the annual and monthly reproductive peaks based on the lunar phase. The sex ratio (male:female) was 1:1.04, without significant difference in sexual proportion. The GI was significantly higher for males than for...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Gonadosomatic Index; Lunar periodicity; Sazonality; Sea urchin.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400008

Placoscopana, a new genus of Neocoelidiinae (Hemiptera: Cicadellidae) from Ecuador
Provedor de dados: 103
Autores: Gonçalves,Clayton Correa; Marques-Costa,Ana Paula; Ale-Rocha,Rosaly.
A new genus of Neocoelidiinae, Placoscopana gen. nov. is proposed and its type-species Placoscopana nigrilinea sp. nov. is described and illustrated based on a male specimen from Ecuador (Orellana Province). Placoscopana gen. nov. is very similar externally to Coronalidia Marques-Costa &amp;amp; Cavichioli, 2007, but differs mainly by the male genitalia: pygopher short with posterior margin approximately truncated; subgenital plates, in dorsal view, with a tuft of setae at apex; and aedeagus with two parallel ventral rows of small spines on the apical half of the shaft.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Leafhoppers; Neotropical Region; New species; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500014

Diet and trophic guilds of fish assemblages in two streams with different anthropic impacts in the northwest of Paraná, Brazil
Provedor de dados: 103
Autores: Bonato,Karine Orlandi; Delariva,Rosilene Luciana; Silva,Jislaine Cristina da.
In the present study, we describe the diets of the fish assemblages in two streams in the Maringá region of Paraná that are under the influence of different anthropic impacts. We also evaluate how the origin and use of food resources varies temporally and spatially and how the trophic organization of the fish assemblages differs between the two streams. Fish were collected every two months from October 2006 to October 2007 using sieves, seining and closing nets along two 50 m stretches of each stream. We used the volumetric method to analyze the stomach contents of 599 fish belonging to 15 species. We then employed ANOSIM, SIMPER, NMDS and cluster analyses (using the Bray-Curtis index) to examine how different factors (species, stream, sampling site and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Food resources; Seasonality; Spatial variation; Urbanization.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100004

Potential distribution and new records of Trinomys species (Rodentia: Echimyidae) in the state of Rio de Janeiro
Provedor de dados: 103
Autores: Attias,Nina; Raíces,Daniel S. L.; Pessoa,Flávia S.; Albuquerque,Hermano; Jordão-Nogueira,Tássia; Modesto,Thiago C.; Bergallo,Helena de G.
The spiny rats of the genus Trinomys Thomas, 1921 have a broad distribution in the Atlantic Forests of southeastern Brazil. However, some species are known only from their type locality and adjacent areas. In our study, nine areas in the state of Rio de Janeiro were surveyed and three species of the genus were captured - Trinomys dimidiatus (Günther, 1877), T. setosus (Desmarest, 1817) and T. gratiosus bonafidei (MOOJEN, 1948). We extended the distribution of T. gratiosus bonafidei in 100 km, in a straight line to the northwest, and into an area of Semidecidual Seasonal Forest. We captured T. setosus, which had not been previously recorded in the state, in the municipality of Cambuci, extending its distribution 150 km, in a straight line to the east of its...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ecoregions; Climatic variables; Distribution models; Altitude.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200013

Two new species of Polana ( Hobemanella ) (Hemiptera: Cicadellidae: Gyponini) and key to species
Provedor de dados: 103
Autores: Domahovski,Alexandre Cruz; Cavichioli,Rodney Ramiro.
ABSTRACT. Two new species of Polana (Hobemanella) Mckamey, 2006 are described and illustrated from Brazil: Polana (H.) alvarengai sp. nov., from the states of Mato Grosso, Rondônia and Pará, which can be recognized by the aedeagal shaft with subapical group of eight spine-like processes on each side of shaft, on ventral surface; and Polana (H.) arcana sp. nov., from the state of Paraná, which can be recognized by the aedeagus with pair of elongated processes arising at base, almost as long as shaft length and parallel to shaft. A key to the 19 known species of Polana (Hobemanella) is presented.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Bohemanella; Leafhoppers; Neotropical Region.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100325

Behavior and foraging technique of the Ingram's squirrel Guerlinguetus ingrami (Sciuridae: Rodentia) in an Araucaria moist forest fragment
Provedor de dados: 103
Autores: Mendes,Calebe Pereira; Cândido-Jr,José Flávio.
This work describes the foraging techniques, body positions and behavior of free-ranging Ingram's squirrel Guerlinguetus ingrami Thomas, 1901 in a region of the Araucaria moist forest, in the Atlantic Forest of southern Brazil. The animals were observed using the "all occurrence sampling" method with the aid of binoculars and a digital camcorder. All behaviors were described in diagrams and an ethogram. We recorded five basic body positions, 24 behaviors, two food choices, and three feeding strategies utilized to open fruits of Syagrus romanzoffiana (Cham.), the main food source of Ingram's squirrels. We also observed a variance in the animals' stance, which is possibly influenced by predation risk, and discuss the causes of some behaviors.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic forest; Body position; Ethogram; Syagrus romanzoffiana.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000300001

Geographical variation in the reproduction and sexual dimorphism of the Boddaert's tropical racer, Mastigodryas boddaerti (Serpentes: Colubridae)
Provedor de dados: 103
Autores: Siqueira,Débora M.; Nascimento,Loana P.; Montingelli,Giovanna G.; Santos-Costa,Maria Cristina dos.
We obtained data on time of sexual maturity, dimorphism, fecundity and on the reproductive cycle of Mastigodryas boddaerti (Sentzen, 1796) through the examination of 321 preserved specimens, of which 221 were collected in the Brazilian Amazon region and 100 in the Cerrado savannas of Central Brazil. The degree of sexual size dimorphism (snout-vent length, SVL) was significantly greater in the specimens from the Cerrado in comparison with those from the Amazon. Females had a significantly larger number of ventral scales, on average, whereas males had more sub-caudal scales. However, there was no intersexual difference in tail length or head width, although the heads of the males were significantly longer, which may reflect dietary differences. Breeding...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazonia; Ecology; Cerrado; Morphology; Population.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000500002

Gabriel Omar Skuk Sugliano (1962-2011)
Provedor de dados: 103
Autores: Nascimento,Filipe A.; Vilela,Bruno; Lisboa,Barnagleison.
Tipo: Info:eu-repo/semantics/article
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300018

Taxonomic identification using geometric morphometric approach and limited data: an example using the upper molars of two sympatric species of Calomys (Cricetidae: Rodentia)
Provedor de dados: 103
Autores: Boroni,Natália Lima; Lobo,Leonardo Souza; Romano,Pedro Seyferth R.; Lessa,Gisele.
ABSTRACT The taxonomic identification of micromammals might be complicated when the study material is fragmented, as it is the case with pellets and fossil material. On the other hand, tooth morphology generally provides accurate information for species identification. Teeth preserve notably well, retaining their original morphology, unlike skulls and mandibles, which can get crushed or have missing parts. Here, we explored a geometric morphometrics approach (GM) to identify fragmented specimens of two sympatric Calomys Waterhouse, 1837 species - Calomys tener (Winge, 1888) and Calomys expulsus (Lund, 1841) - using the morphology of intact molars as the basis for identification. Furthermore, we included some specimens of uncertain taxonomic identification...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Morphology; Owl pellets; Sigmodontinae; Taxonomy.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100315

First record of Thylaeodus (Gastropoda: Vermetidae) from the Equatorial Atlantic Ocean, with the description of a new species
Provedor de dados: 103
Autores: Spotorno,Paula; Simone,Luiz Ricardo L.
The vermetid Thylaeodus equatorialis sp. nov. is endemic to the São Pedro and São Paulo Archipelago, located at the mid equatorial Atlantic Ocean. The species is closely related to Thylaeodus rugulosus (Monterosato, 1878), as indicated by similar shell characters, coloration of the soft parts, and feeding tube scars. However, T. equatorialis sp. nov. mainly differs from T. rugulosus in the operculum/aperture diameter ratio (~79% versus 100%), by having well developed pedal tentacles and fewer egg capsules in brooding females. In addition, the new species has the following unique characteristics: size almost twice as large (shell, tube aperture, erect feeding tube, protoconch and egg capsules) as the other Atlantic species; unusual method of brooding egg...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mollusca; São Pedro and São Paulo Archipelago; Taxonomy; Anatomy Thylaeodus equatorialis sp. nov; Vermetid.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100011

A new species of Avima, the first record of Agoristenidae (Opiliones: Laniatores) from the state of Roraima, Brazil
Provedor de dados: 103
Autores: Porto,Willians; Colmenares,Pío A.
We describe Avima anitas sp. nov. based on material collected in the Brazilian state of Roraima, representing the first record of Agoristenidae in the State. The new species differs externally from other species of Avima by presenting­ one proximal tubercle on the mesal face of the male cheliceral segment II and a pair of dark spots partially covering mesotergal area III-IV. The genital differs from other species by the ventral small setae of the ventral plate, which are trifid instead of uniramous or bifid.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon Basin; Harvestmen; Leiosteninae; Neotropical; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000600009

Morphological variations caused by fixation techniques may lead to taxonomic confusion in Laeonereis (Polychaeta: Nereididae)
Provedor de dados: 103
Autores: Oliveira,Verônica M.; Santos,Cinthya S. G.; Lana,Paulo C.; Camargo,Maurício G.
The nereidid polychaete Laeonereis acuta (Treadwell, 1923) is either considered to be a valid species, or a synonym of Laeonereis culveri (Webster, 1879). The species epithet, acuta, refers to the acuminate anterior region of the body followed by a widening that is visible up to the 10th setiger. The relative width of the anterior region of the body, however, has been reported in the taxonomic literature as variable for Laeonereis Hartman, 1945, a genus known from the eastern coast of North America to Patagonia (southern South America). To test whether variations in this character are real, or whether they correspond to an artifact, we analyzed morphological changes associated with different anesthesia and fixation techniques regularly used to prepare...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Laeonereis culveri; Laeonereis acuta; Morphology; Preparation techniques; Methodological errors.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100022

ERRATA
Provedor de dados: 103
Tipo: Info:eu-repo/semantics/other
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000609000

Description and phylogenetic position of a new species of Metarthrodes (Opiliones: Gonyleptidae: Caelopyginae) from Bahia, northeastern Brazil
Provedor de dados: 103
Autores: Mendes,Amanda Cruz; Barros,Carla Martinho de Lima.
We describe Metarthrodes oxum sp. nov. from Camacan, state of Bahia, Brazil, the second species of Caelopyginae described from the state, after Metarthrodes xango Pinto-da-Rocha, 2002. Metarthrodes oxum sp. nov. can be recognized by the presence of a pair of white spots on area I, white C-shaped stripes on lateral grooves of area III, posterior margin with transverse white stripe, grooves of mesotergal areas well-marked, posterior margin of dorsal scute slightly concave, and medial third of femur IV of male with three large and spiniform retrolateral tubercles. We tested the generic placement of the new species via cladistic analysis. Metarthrodes oxum sp. nov. clustered within Metarthrodes, forming a clade with M. pulcherrimus (Mello-Leitão, 1931), M....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Grassatores; Harvestmen; Laniatores; Taxonomy; Neotropical Region.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300009

Revolutionary thoughts on taxonomy: declarations of independence and interdependence
Provedor de dados: 103
Autores: Wheeler,Quentin D.
Credible biological research depends on accurate species identifications, reliable scientific names, and an evolutionary context provided by a phylogeny or phylogenetic classification. The emphasis on such taxonomic services has detracted from the fundamental taxonomic research necessary to create and sustain such knowledge systems. A taxonomic declaration of independence is presented, emphasizing the unique mission, goals, and needs of taxonomists and taxonomic (collection-based) institutions and the non-experimental yet scientifically rigorous epistemology of taxonomy. At the same time taxonomic interdependence is declared. Questions pursued by taxonomists are planetary in scale and can only be answered given international collaboration and coordination...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Classification; Phylogeny; Systematics.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100001

Parasite sharing between humans and nonhuman primates and the hidden dangers to primate conservation
Provedor de dados: 103
Autores: Bicca-Marques,Júlio César; Calegaro-Marques,Cláudia.
Tipo: Info:eu-repo/semantics/other
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400001

Autonomic regulation of heart rate during specific dynamic action associated with digestion in the bullfrog Lithobates catesbeianus
Provedor de dados: 103
Autores: Claësson,Débora; Abe,Augusto Shinya; Wang,Tobias.
ABSTRACT Feeding causes a substantial rise in the aerobic metabolism of all vertebrates, which is met by a rise in heart rate to secure adequate oxygen delivery, as well as intestinal nutrient absorption and transport between organs. To study the autonomic regulation of this postprandial tachycardia in an amphibian, we placed arterial catheters in individuals of the bullfrog, Lithobates catesbeianus (Shaw, 1802), to measure their blood pressure and heart rate. Heart rate in experimental subjects increased from a fasting value of 42.5 ± 2.5 to 52.5 ± 1.6 and 57.5 ± 2.1 min-1 at 24 and 33 hours, respectively, after meals that corresponded to 5% of their body weight. Using an infusion of atropine and propranolol, we demonstrated that part of the postprandial...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Adrenergic; Cholinergic; Postprandial tachycardia.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600492

Assessing the population density of the spotted paca, Cuniculus paca , (Rodentia: Cuniculidae) on an Atlantic Forest island, southeastern Brazil
Provedor de dados: 103
Autores: Ferreguetti,Átilla C.; Pereira,Bruno C.; Bergallo,Helena G.
ABSTRACT The spotted paca, Cuniculus paca (Linnaeus, 1766), is a Neotropical, opportunistic, frugivorous caviomorph rodent, that inhabits primarily broadleaf forests. We aimed to provide the first estimates of density of C. paca for the Ilha Grande, an island located in the Atlantic Rain Forest biome of Brazil. Density and population size were estimated using the total number of individuals observed along each trail through the program DISTANCE 7. Our estimates of density and population size reinforces the importance of the Ilha Grande as an important reservoir of the species. Therefore, the results presented herein can be a starting point to support future action plans for the species, making predictions regarding the ecosystem and management and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Abundance; Distance sampling; Ilha Grande State Park; Line-transect.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100344

A new species of Serracutisoma (Opiliones: Gonyleptidae: Goniosomatinae) from the coastal Atlantic Rain Forest of Paraná and São Paulo states, Brazil
Provedor de dados: 103
Autores: DaSilva,Marcio B.
Serracutisoma gnaspinii sp. nov. is described from the coastal Ombrophylous Dense Atlantic Rain Forest of Paraná and São Paulo states. It differs from other Serracutisoma by having a retrolateral row of spines on femur IV, a rounded white-mark on the carapace and a low dorsal apophysis on trochanter IV. It is likely the sister-species of S. proximum, and with it and other five species forms the S. proximum group, herein formally proposed. Given that the biologic, phylogenetic and biogeographic aspects of Serracutisoma have been studied, the implications of the discovery of a new species are discussed, for instance the evolution of male fight, aggregation and maternal care, traits that are shared with other species. The geographic range of Serracutisoma...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Alpha and beta males; Biogeography; Territorial fights; Tropical Rain Forest; Vicariance.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400008

Biologia e tabela de vida de Tetranychus desertorum (Acari: Tetranychidae) sobre folhas de feijão (Phaseolus vulgaris)
Provedor de dados: 103
Autores: Rivero,Edgar; Vásquez,Carlos.
Biological aspects and life table of the red spider mite, Tetranychus desertorum Banks, 1900, were studied on leaf discs of kidney bean (Phaseolus vulgaris Linnaeus) cultivar "Tacarigua" under laboratory conditions (28 ± 2ºC, 70 ± 10% R.H. and 12:12h). Our results showed that total developmental time was 6.8 days for females, with partial duration of immature stages corresponding to 3.8, 1.4, 1.0 and 0.7 for egg, larva, protonymph and deutonymph, respectively. Preoviposition, oviposition and postoviposition periods were 1.1, 8.4 and 1.3 days, respectively; and the higher mean fecundity (6.93 eggs/female/day) was observed on day 4. Female mean longevity was 10 days. The life table parameters recorded were: net reproduction rate (Ro) = 41.10 individuals;...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fecundity; Life history; Red spider mite; Tetranychid.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100007

Is more better? Sexual confusion during courtship between two sympatric and synchronic tarantulas: Acanthoscurria suina and Eupalaestrus weijenberghi
Provedor de dados: 103
Autores: Costa,Fernando G.; De Oca,Laura Montes; Perdomo,Cintya; Ortiz-Villatoro,David; Baruffaldi,Luciana; Pérez-Miles,Fernando.
When two similar species co-occur in time and space, strong mechanisms isolating them from each other are expected. Acanthoscurria suina Pocock, 1903 and Eupalaestrus weijenberghi (Thorell, 1894) are two sympatric and synchronic tarantulas that inhabit burrows in Uruguay's meadows. Here we test how and when reproductive isolation operates between these species. We exposed females of each species simultaneously to two males: either one male of each species, or two males of the same species. Males courted females of both species. Contrary to expectations, however, females of A. suina responded more effusively to heterospecific than to conspecific males, whereas females of E. weijenberghi only responded to conspecific males. Clasping (prelude of mating) was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Courtship; Neotropical tarantulas; Reproductive isolation; Sex pheromone; Sexual selection.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000500011

Biology of a trap-nesting wasp of one species the ground-nesting Liris (Hymenoptera: Crabronidae) from the Atlantic Forest of southern Brazil
Provedor de dados: 103
Autores: Costa,Camila Cristina Ferreira da; Buschini,Maria Luisa Tunes.
ABSTRACT Studies on the nesting biology of Liris are restricted to a few notes and observations on ground-nesting species. There are no studies of this kind about Brazilian species. We investigated and described the nesting biology of Liris sp. obtained by trap-nests that were installed at an area of Atlantic Forest vegetation (25°10'S, 48°18'W) in southern Brazil. The nests of Liris sp. are built with a variety of plant debris. They usually have one cell, but may have up to two. Nests do not show vestibular or intercalary cells. Immatures have a hard cocoon made with the silk they produce, mixed with the fine sand and sawdust left by the adult female at the bottom of the cell. No nest parasites were observed. The wasps did not go through diapause at the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Burrow; Cocoon; Nesting biology; Parasites; Solitary wasp.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000400500

Does frugivory in Citharexylum solanaceum (Verbenaceae) drive nomadism in the Ipanema bat Pygoderma bilabiatum (Chiroptera: Phyllostomidae)?
Provedor de dados: 103
Autores: Scultori,Carolina; Silva,Wesley R.
ABSTRACT Neotropical bats are recognized as effective seed dispersers, especially of small-seeded pioneer plants during early stages of forest regeneration. There had been few reports on the ecology of the bat Pygoderma bilabiatum (Wagner, 1843), which appears to be mainly frugivorous and to undertake vertical migrations in Brazil. Our analyzes of fecal samples of P. bilabiatum specimens captured in mist nets and direct observations of their feeding behavior on Citharexylum solanaceum Cham. fruits in a mosaic of restored forests and forest fragments in southeastern Brazil constitute one of the few records of consumption of large-seeded fruits by P. bilabiatum, and indicate that it may be an important disperser for large-seeded plants. We found evidence...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Movements; Philopatry; Fruit-bat interactions; Seed dispersal.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100336

Determinants of capture-recapture success: an evaluation of trapping methods to estimate population and community parameters for Atlantic forest small mammals
Provedor de dados: 103
Autores: Barros,Camila S.; Püttker,Thomas; Pinotti,Bruno T.; Pardini,Renata.
ABSTRACT Efficiently obtaining high-quality data on animal populations and communities is paramount for ecological and conservation studies. In many instances these data come from live-trapping, the success of which depends on various factors, such as the interaction between the trap's mechanisms and the morphological or ecological characteristics of the animals, and weather conditions that can affect both trap efficiency and animal behavior. Integrative approaches that address the simultaneous effects of these factors on capture-recapture success are rare. Here we contribute to close this knowledge gap by focusing on a large capture-recapture dataset from three 2-ha grids monitored for approximately two years (totaling 55.000 traps-night) in the Morro...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Abundance; Biodiversity survey; Demography; Richness; Trapping protocol.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500334

Age structure and growth of the rough scad, Trachurus lathami (Teleostei: Carangidae), in the Southeastern Brazilian Bight
Provedor de dados: 103
Autores: Ruas,Lygia C.; Vaz-dos-Santos,André M.
ABSTRACT The rough scad, Trachurus lathami Nichols, 1920, is a small pelagic species distributed along the West Atlantic coast. It is most abundant in the Southern Brazil (28°30’-34°S) and in the Southeastern Brazilian Bight (SEBB, 22°-28°30’S). The rough scad is fished by purse seines, which main target is the Brazilian sardine, Sardinella brasiliensis (Steindachner, 1879). Age and growth are vital to understand the life cycle of a species, to fishery management and ecosystem modeling. This study aimed to assess the age and growth of T. lathami, to identify its age structure in the SEBB, and to evaluate what causes the wide differences among Trachurus species in terms of body size and growth parameters. Data available on T. lathami was attained between...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: ECOSAR; Otolith; Sclerochronology; Von Bertalanffy.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100324

Variabilidade da infauna adjacente a estruturas rochosas na plataforma rasa do litoral do Paraná, Brasil
Provedor de dados: 103
Autores: Lorenzi,Luciano; Borzone,Carlos A.
Ocean rocky formations are known as islands. When islands become completely submerged, they are called stone slabs. Like reefs, these formations alter the flux of water produced by the waves, which in turn interacts with the adjacent sediment, altering the sediment and its undulation marks. The alterations caused by the interaction between the waves and emerged or submerged rigid structures can potentially alter the composition and the distributional patterns of the infauna of the adjacent, unconsolidated substrate. In order to evaluate the strength of these alterations, we sampled the infauna and the sediment adjacent to two ocean structures, one emerged and one submerged. Collecting was performed in winter and summer, while discriminating between the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Infaunal communities; Rocky reefs; Unconsolidated sediments.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400016

Cytogenetics and DNA barcoding of the Round-eared bats, Tonatia (Chiroptera: Phyllostomidae): a new karyotype for Tonatia bidens
Provedor de dados: 103
Autores: Tavares,Jaqueline R.; Sousa,Tatiane P. de; Silva,Joaquim M. da; Venere,Paulo C.; Faria,Karina de C.
ABSTRACT There are two species of Neotropical Round-eared bats, Tonatia bidens Spix, 1823 and Tonatia saurophila Koopman &amp; Williams, 1951, which present highly similar morphological characteristics that can lead to errors of identification. Specimens originally identified as T. bidens have recently been reclassified as T. saurophila, and the only karyotype documented previously for these species was 2n = 16, FN = 20. In the present study, specimens of Tonatia collected in the municipality of Barra do Garças, in the Brazilian state of Mato Grosso, were analyzed morphologically, using conventional cytogenetic techniques (C-banding, Ag-NOR, and CMA3), and through sequences of the mitochondrial cytochrome c oxidase subunit I (COI) gene. In the specimens...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chromosomes; COI gene; Karyotypes; Phyllostominae; Taxonomy.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500371

Redescription and new distribution records of Acanthoscurria natalensis (Araneae: Mygalomorphae: Theraphosidae)
Provedor de dados: 103
Autores: Lucas,Sylvia M; Gonzalez Filho,Hector M. O; Paula,Felipe dos S; Gabriel,Ray; Brescovit,Antonio D.
Acanthoscurria natalensis Chamberlin, 1917 is redescribed. The following species are considered junior synonyms of A. natalensis: A. cursor Chamberlin, 1917, A. fracta Chamberlin, 1917, A. rondoniae Mello-Leitão, 1923, A. chiracantha Mello-Leitão, 1923, and A. parahybana Mello-Leitão, 1926. All examined specimens, including the types, share the same general aspect, morphology of the sexual organs, color, and measurements. Acanthoscurria natalensis resembles A. paulensis Mello-Leitão, 1923 and A. chacoana Brèthes, 1909 in the general aspect, size, and by the morphology of the sexual organs: male palpal bulb with embolus ending like a shell, due to the prolateral and superior keels. It can be distinguished from these two species by the less developed keels...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caatinga; Cerrado; Synonymies; Taxonomy; Theraphosinae.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400015

Population dynamics of Megalobulimus paranaguensis (Gastropoda: Pulmonata) in the southeast coast of Brazil
Provedor de dados: 103
Autores: Miranda,Marcel S.; Fontenelle,José H.
ABSTRACT. The population dynamics of Megalobulimus paranaguensis (Pilsbry &amp; Ihering, 1900), a large and long-lived land gastropod from Brazil's Southeast (Atlantic Forest) was studied between 2006 and 2009, at an urban park in the city of Santos, state of São Paulo. The study included biometry, weighing, and marking and recapture of adult individuals. The variables obtained from specimens were correlated with the environmental variables of the study period. The survival rate of the adult snail population was 96.7%. Recruitment showed several peaks during the year, and was concentrated between April and August, except in 2009, when there was only one peak in August. Specimen abundance progressively increased from 2006 on, with a trend towards relative...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Activity; Abundance; Dormancy; Land snail.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600463

Immature stages of the Selaginella -feeding Euptychia mollina (Nymphalidae: Satyrinae) from the Brazilian Amazon
Provedor de dados: 103
Autores: Freitas,André V. L.; Mota,Luísa L.; Barbosa,Eduardo P.; Carreira,Junia Y. O.
ABSTRACT The present paper describes the immature stages of the Neotropical satyrine butterfly Euptychia mollina (Hübner, [1813]) from the Brazilian Amazon Forest. Eggs were laid singly on the under surface of the fronds of its host plant, Selaginella sp. (Briophyta: Selaginellaceae). Larvae are solitary in all instars, presenting a color pattern and shape that make them cryptic on its host plant. The pupa is short, smooth and varies from rusty brown to green. Despite the lack of a close phylogenetic relationship, larvae of Euptychia are very similar to those of the paleotropical satyrines Ragadia and Acrophtalmia, suggesting that camouflage is likely to be one of the factors explaining the similarities among them.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Camouflage; Caterpillar; Euptychiina; Lepidoptera.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100314

An overview of Brazilian mammalogy: trends, biases and future directions
Provedor de dados: 103
Autores: Brito,Daniel; Oliveira,Leonardo C.; Oprea,Monik; Mello,Marco A. R.
Mammals are among the most charismatic and well-studied organisms, and Brazil harbors the largest mammal diversity of the world. The Brazilian Society of Mammalogy was established in 1985, and since 2001 it organizes the Brazilian Congress of Mammalogy. We used the proceedings of all three editions of this congress together with papers indexed in Web of Science and Scielo to evaluate trends in Brazilian mammalogy. All contributions were categorized according to mammalian order, biome, topic of research and state of authors' affiliation. Our results show that mammalian orders with higher species richness receive more attention, but the ranking is different between abstracts and papers. Higher species richness did not translate into more attention for more...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biomes; Meta-analysis; Priorities; Scientometrics.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100011

Couples in phoretic copulation, a tool for male-female association in highly dimorphic insects of the wasp genus Dissomphalus Ashmead (Hymenoptera: Bethylidae)
Provedor de dados: 103
Autores: Azevedo,Celso O.; Colombo,Wesley D.; Alencar,Isabel D.C.C.; Brito,Chirlei D. de; Waichert,Cecilia.
ABSTRACT It is difficult to make reliable sex associations in several species of Hymenoptera due to sexual dimorphism. Only a few species of the flat wasp genus Dissomphalus Ashmead, 1893 have had their sexes associated, since females are rarely collected and differ morphologically from their conspecific males. Collecting couples during their phoretic copula is difficult, but it is the most reliable way to associate the sexes in Dissomphalus . Herein, we associate the sexes and discuss the mating system based on couples of six Dissomphalus species collected during copulation: D. bisserratus Azevedo, 1999, D. connubialis Evans, 1966, D. rettenmeyeri Evans, 1964, D. simulatus (Evans, 1969), comb. nov., D. mendicus Evans, 1969, and D. firmus Redighieri &amp;...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Couple; Neotropical region; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000603005

A new subgenus and species of Neotropical Trichomyia (Diptera: Psychodidae)
Provedor de dados: 103
Autores: Araújo,Maíra Xavier; Bravo,Freddy.
A singular group of 19 species of Neotropical Trichomyia Haliday in Curtis, 1839 presents four segments in the palpus, the first two partially fused; five of these species were included in the subgenus Opisthotrichomyia Bravo, 2001 and seven in the subgenus BrachiotrichomyiaBravo &amp;amp; Araújo, 2013. A new species from Brazil is described and a new subgenus proposed for four Neotropical species of this morphological group: T. biloba Quate, 1999 from Panama, and T. onorei Bravo, 2002, T. queirozi Bravo, 2002 and T. horrida sp. nov. from Brazil. Syntrichomyia subgen. nov. can be recognized by its fused gonocoxites and gonostyli, and by its bilobed hypoproct. A key to the known species (males) of this new subgenus is presented.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Neotropics; Syntrichomyia subgen. nov; Taxonomy; Trichomyiinae.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400014

The snake assemblage (Squamata: Serpentes) of a Cerrado-Caatinga transition area in Castelo do Piauí, state of Piauí, Brazil
Provedor de dados: 103
Autores: Rodrigues,Francílio da Silva; Prudente,Ana Lúcia da Costa.
This study records and analyzes the diversity and structure of a snake assemblage in a transition area between Cerrado and Caatinga, in the municipality of Castelo do Piauí, state of Piauí, comparing the distribution and similarity of the species composition with other open localities already studied in Brazil. We used three complementary sampling methods: time constrained search (TCS), pitfall traps with drift fences (PFT), and incidental encounters (IE). During the TCS and PFT, 912 hours/observer and 6,468 days/trap were used, respectively. We estimated 23 species of snakes for the locality, although only 19 species were recorded. Philodryas nattereri Steindachner, 1870 (n = 10), Liophis poecilogyrus (Schlegel, 1837) (n = 9), Liophis viridis Günther,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Composition; Ecotones; Richness; Similarity.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400005

The recapture of Leptopanchax opalescens (Aplocheiloidei: Rivulidae), a critically endangered seasonal killifish: habitat and aspects of population structure
Provedor de dados: 103
Autores: Guedes,Gustavo H.S.; Salgado,Fernando L.K.; Uehara,Wagner; Ferreira,Débora L. de Paiva; Araújo,Francisco G.
ABSTRACT Leptopanchax opalescens (Myers, 1942) is a small seasonal killifish endemic to coastal drainages in the state of Rio de Janeiro, Brazil. Leptopanchax opalescens was recaptured in temporary open vegetation pools (22°42.35’S, 43°41.59’W) in the hydrographic basin of the Guandu River, state of Rio de Janeiro, Brazil, after eight years without records. Information on habitat and population parameters (Capture per unit area (CPUA), size, sex ratio and length-weight relationship (LWR)) are given to provide subsidies for the conservation of this species. Specimens were captured during the rainy season (January-April 2020) in shallow pools (mean depth = 21 ± 12 s.d. cm), with relatively acidic pH (5.2 ± 0.8) and low concentrations of dissolved oxygen (3.5...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Annual fish; Atlantic forest; Conservation; Rio de Janeiro; Southeast Brazil; Threatened fauna.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100329

Filling data gaps on the diversity and distribution of Amazonian bats (Chiroptera): the case of Amapá, easternmost Brazil
Provedor de dados: 103
Autores: Martins,Ana C. M.; Bernard,Enrico; Gregorin,Renato; Silva,Wanuyze A. S. da.
Brazil is the second most bat species-rich country in the world, but the information on its species diversity, occurrence and distribution is still heterogeneous and fragmented. None of the Brazilian biomes are well surveyed for bats, but this situation is more critical in Amazonia, an area covering nearly 2/3 of the country. Here we provide updated information on the bats of Amapá, once a data gap in the diversity and distribution of bats in the easternmost Amazonia, and the Guiana Shield as well. Rapid biological assessments (5,551 mistnet.hours) were conducted in conservation units and areas of concern, resulting in 1,695 captures, 59 species, 36 genera and six families for the State. New records for the state and for the Guiana Shield area are...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biogeographic patterns; Eastern Amazonia; Guiana Shield; Rapid Assessment Program (RAP); Species distribution.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200004

Oviposition and post-embryonic development of Aglaoctenus lagotis (Araneae: Lycosidae)
Provedor de dados: 103
Autores: Moreira,Vanessa Stefani Sul; Del-Claro,Kleber.
The present study describes the life history of Aglaoctenus lagotis Holmberg, 1876 from oviposition to adulthood, analyzing the number of eggs in each egg sac, birth rate, number of instars, sex ratio, cephalothorax size of all instars, and developmental time in laboratory. The results indicate that the studied species can produce two egg sacs during the reproductive period, and that the post-embryonic phase includes 12 nymphal instars. A higher mortality rate was observed during the first three instars, featuring a Type III survival curve. The sex ratio was geared towards the female in the adults and no significant difference was observed in the length of the cephalothorax between male and female. This species can therefore be considered monomorphic....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Birth rate; Number of instars; Sexual dimorphism.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500003

Jesus Santiago Moure (2.XI.1912 - 10.VII.2010)
Provedor de dados: 103
Autores: Melo,Gabriel A. R; Urban,Danúncia.
Tipo: Info:eu-repo/semantics/article
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400001

History, distribution, and seasonal abundance of the Least Tern Sternula antillarum (Aves: Charadriiformes: Sternidae) in Brazil
Provedor de dados: 103
Autores: Carlos,Caio J.; Fedrizzi,Carmem E.
We review existing data on the distribution of the Least Tern, Sternula antillarum along the Brazilian coast, based on the literature and museum specimens, and present results of a year-long study (October 2008 to September 2009) on the seasonal abundance of this species on a large tidal flat area, Cajuais Bank, in the State of Ceará, north-eastern Brazil. We evaluate whether the observed variation in the abundance of terns is due to the occurrence of an undocumented breeding colony, or alternatively, whether it results from an influx of migrants from the Northern Hemisphere. The recovery of historical data revealed that all literature references on the distribution of birds in the Americas, published up to the late 1990s include Brazil in the non-breeding...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coastal habitats; Nearctic-Neotropical migration; Seabirds.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200003

Owenia caissara sp. n. (Annelida, Oweniidae) from Southern Brazil: addressing an identity crisis
Provedor de dados: 103
Autores: Silva,Luiz; Lana,Paulo.
ABSTRACT We re-assess the taxonomic status of Owenia Delle Chiaje, 1841 from Southern Brazil based on estuarine specimens from Paranaguá Bay (Paraná) and Babitonga Bay (Santa Catarina), and literature records. Owenia caissara sp. n. is diagnosed by a branchial crown with five pairs of tentacles, branched close to the base of the crown, rectilinear collar with a pronounced lateral slit, two ventrolateral ocelli partially covered by the collar, up to 23 hooks on a single row in the first abdominal segment, regularly curved nuchal shape, regularly moderate teeth curvature, and long and thin scales with oval transition. The description of Owenia caissara sp. n. reinforces the idea that Owenia fusiformis sensu lato is a complex of closely related species that...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Estuarine bottoms; Polychaeta; Subtidal.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100303

Population dynamics and reproductive strategy of Scolelepis goodbodyi (Polychaeta: Spionidae) in a subtropical atlantic beach
Provedor de dados: 103
Autores: Leão,Luciana S. Dourado; Soares-Gomes,Abílio; Costa,Tarso; Santos,Cinthya S. Gomes.
The population dynamics and reproductive strategy of the polychaete Scolelepis goodbodyi (Jones, 1962), were investigated between June 2009 and May 2010 at Manguinhos beach, southeastern, Brazil. A total of 9,242 individuals were collected. The density did not differ significantly from one month to another. The estimated values of the growth, recruitment, and mortality rates were studied using the width of the third setiger and the growth curves for the populations were adjusted by the Bhattacharya method (L'= 1.23, K = 1.2, mortality = 0.73). Two annual cohorts were identified in the period. Significant differences between males and females were observed in the population (x² = 71.6, p &lt; 0.01) and between sexually defined and sexually indeterminate...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Annelida; Population ecology; Reproductive biology.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000300002

Diversity and arrangement of the cuticular structures of Hyalella (Crustacea: Amphipoda: Dogielinotidae) and their use in taxonomy
Provedor de dados: 103
Autores: Zimmer,Adriane; Araujo,Paula B.; Bond-Buckup,Georgina.
This study describes the morphology and arrangement of the cuticular structures of Hyalella castroi González, Bond-Buckup &amp;amp; Araujo, 2006 and Hyalella pleoacuta González, Bond-Buckup &amp;amp; Araujo, 2006, to identify specific characters that can be used in taxonomstudies of this genus. The entire cuticular surface of both species was examined by optical and scanning electron microscopy. The data obtained were compared with available information for other members of Peracarida, mainly Amphipoda and Isopoda. Five different types of cuticular structures, including 30 types of setae, four types of microtrichs, three types of pores, and some structures formed by setules and denticles were identified. The results were compared with other groups of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cuticular surface; Hyalellinae; Microtrichs; Pores; Setae.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100019

Flesh flies (Diptera: Sarcophagidae: Sarcophaginae) from the Colombian Guajira biogeographic province, an approach to their ecology and distribution
Provedor de dados: 103
Autores: Valverde-Castro,César; Buenaventura,Eliana; Sánchez-Rodríguez,Juan David; Wolff,Marta.
ABSTRACT Sarcophaginae is the most diverse subfamily of Sarcophagidae with 51 genera and more than 1,800 species and it is widely distributed in the Neotropical Region. Sarcophaginae flies of forest, rural, and urban habitats of the seven departments comprising the Colombian Guajira biogeographic province were surveyed. Van Someren Rydon traps baited with fermented fruit, decomposing fish, and human feces were active for 72 hours with samples collected every 12 hours (day/night) between 2010 and 2014. A total of 14,223 sarcophagines (78% females and 22% males) were collected, which belong to 28 species of nine genera. Oxyvinia excisa (Lopes, 1950) is a new record for Colombia. The richest genera were Oxysarcodexia Townsend, 1917 and Peckia...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caribbean; Colombia; Ecology; Guajira province; Sarcophaginae.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100333

Richness, abundance and microhabitat use by Ardeidae (Aves: Pelecaniformes) during one seasonal cycle in the floodplain lakesof the lower Amazon River
Provedor de dados: 103
Autores: Ferreira,Giulianne Sampaio; Santos,Danilo Augusto Almeida dos; Lopes,Edson Varga.
ABSTRACT The Amazon floodplains become periodically submerged as result of seasonal changes in the water levels throughout the year. These changes influence the availability of microhabitats and consequently the abundance of organisms in these ecosystems. In this study we investigated 1) how changes in the water level affect the richness and abundance of ardeid birds in the lowland floodplain lakes of the lower Amazon River, and 2) the microhabitats used by these birds throughout the seasonal cycle. Ten lakes were surveyed at each of the four phases of the seasonal cycle. In total, 3,280 individuals of 11 species were recorded. Of these, eight species occurred in the four phases, and three were observed in one or two phases. In the analysis including the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazonian; Aquatic macrophytes; Ecological partitioning; Waterbirds; Wetlands.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100322

Cephalic salivary glands of two species of advanced eusocial bees (Hymenoptera: Apidae): morphology and secretion
Provedor de dados: 103
Autores: Poiani,Silvana B.; Cruz-Landim,Carminda da.
Some adult eusocial bees have a pair of cephalic salivary glands (CSG) in addition to the thoracic labial or salivary gland pairs. This paper deals with variations in morphological features and secretion production of the CSG of females and males of Apis mellifera Linnaeus, 1758 and Scaptotrigona postica Latreille, 1807. The following life stages were studied: newly emerged, nurse, and forager workers; newly emerged and egg-laying queens; and newly emerged and sexually mature males. The histological results showed that the CSG differs between the two species in the following features: while alveoli and duct cells are cuboidal in workers and queens of A. mellifera, they change from cuboidal to flat in S. postica as the workers age. The glands of newly...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Apis mellifera; Histochemical; Labial gland; Lipid; Scaptotrigona postica.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600021

História natural e biologia reprodutiva de marsupiais no Pantanal, Mato Grosso, Brasil
Provedor de dados: 103
Autores: Aragona,Mônica; Marinho-Filho,Jader.
Three forested habitats at Pantanal of Poconé (Mato Grosso) were sampled during 17 months, with an effort of 38,635 trap-nights, resulting in a 6.3% of trapping success. Six marsupial and eight rodent species were recorded. Natural history, reproductive biology, behavior and habitat use are described for six marsupial species from the Pantanal floodplain: Caluromys philander (Linnaeus, 1758), Didelphis albiventris Lund, 1840, Gracilinanus agilis (Burmeister, 1854), Micoureus demerarae (Thomas, 1905), Monodelphis domestica (Wagner, 1842) and Philander opossum (Linnaeus, 1758). Micoureus demerarae was the species with the highest number of captured individuals (n = 240) and with the highest number of capture events (n = 1287). Reproduction of most species...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Habitat use; Pantanal floodplain.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200004

The effects of heavy metals on the incidence of morphological deformities in Chironomidae (Diptera)
Provedor de dados: 103
Autores: Deliberalli,Wanessa; Cansian,Rogério L.; Pereira,Albanin A. M.; Loureiro,Rafael C.; Hepp,Luiz U.; Restello,Rozane M.
ABSTRACT Streams in urban areas are strongly impacted by the input of organic matter and metals, for instance copper (Cu) and zinc (Zn). These metals are essential for the aquatic biota, but when absorbed in excess they are toxic. In Chiro nomidae larvae, the deleterious effects of heavy metals can be ascertained by analyzing the morphological deformities of the larval mentum, a structure of the oral cavity. In this study, we evaluated I) the bioavailability of Cu and Zn in urban stream sediments and II) the relationship between Cu and Zn concentrations and the incidence of deformities in the mentum of Chironomus larvae. Chironomid flies were collected from four locations in two streams at an urban area in southern Brazil. They were identified and the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biomonitoring; Copper; Environmental quality; Mentum; Zinc.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100316

The microanatomy of the central nervous system and brain of the Indo-Pacific seahorse, Hippocampus barbouri, during development
Provedor de dados: 103
Autores: Senarat,Sinlapachai; Kettratad,Jes; Kaneko,Gen; Kamnurdnin,Thatpon; Sudtongkong,Chanyut.
ABSTRACT The central nervous system (CNS) of Teleostei is a complex system of self-governance and its morphology is reflected in the physiological and reproductive behaviors. The Indo-Pacific seahorse, Hippocampus barbouri Jordan &amp; Richard son, 1908, is a new candidate species for aquaculture in Thailand. In this study, we investigated the brain morphology of H. barbouri across various developmental windows. Light microscopic observations of adult brains revealed a large optic tectum in the mesencephalon, whereas the cerebral hemispheres and the cerebellum are of medium size. The detailed brain structures were generally similar to those of other teleosts; however, only five distinct layers were present in the optic tectum, including the stratum...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Histology; Seahorse; Spinal cord; Thailand.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100327

Proposal of Tiddergasilus gen. nov. (Ergasilidae: Cyclopoida) for T. iheringi comb. nov. from the gills of Hoplias malabaricus (Erythrinidae: Characiformes) from Brazil
Provedor de dados: 103
Autores: Marques,Taísa Mendes; Boeger,Walter A.
ABSTRACT Ergasilus von Nordmann, 1832 is the type and the most speciose genus of Ergasilidae, with more than 150 valid species. The first species of this genus, Ergasilus iheringi Tidd, 1942, was described from the Neotropical Region, from the gills of Hoplias malabaricus (Bloch, 1794). Since then, 35 new species of Ergasilidae have been described from the Neotropics. However, a reanalysis of the available type specimens of E. iheringi revealed features that suggest that it represents a lineage independent from Ergasilus. Consequently, we propose Tiddergasilus gen. nov. (Ergasilidae: Cyclopoida) to accommodate T. iheringi (Tidd, 1942) comb. nov. The species was re-examined and redescribed based on available type specimens. Tiddergasilus gen. nov. is...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Copepoda; Ergasilidae; Taxonomy.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100307

Short-term stability of estuarine benthic assemblages: are storms pattern-defining events?
Provedor de dados: 103
Autores: Negrello Filho,Orlei A.; Lana,Paulo C.
Storms, associated with strong winds and heavy rains, are often the most severe physical disturbances in shallow coastal areas causing instability to sedimentary environments. We hypothesized herein that if storms influence short-term assemblage structure of macrofauna, then assemblages should change after storms, while remaining relatively stable over calm weather conditions. The study was conducted at the subtropical Paranaguá Bay, in southern Brazil. We selected four 700 m² sites, at the estuarine outlet, to monitor changes in number of species, number of individuals and Shannon diversity. Sampling was arranged considering the weather forecast so that both before and after conditions could be recorded. Data of each site was tested separately to access...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Benthos; Ecosystem disturbance; Paranaguá Bay; Sedimentary environments; Storms.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300003

Two new species and new records of Neanuridae (Hexapoda: Collembola) from Brazilian central Amazonia
Provedor de dados: 103
Autores: Neves,Ana Carolina da Rocha; Mendonça,Maria Cleide de; Queiroz,Gabriel Costa.
ABSTRACT Two new species of Neanuridae from the Amazon Rainforest of Northern Brazil are described and illustrated. The new species Friesea multiclavata sp. nov. (holotype male in MNRJ: Brazil, Amazonas State) belongs to the reducta-group and represents the first record of Frieseinae for Amazonas State in Brazil. Within Pseudachorutinae, the new species Furculanurida boiuna sp. nov. (holotype male in MNRJ: Brazil, Amazonas State) represents the third species of this genus without eyes and body pigment, together with Furculanurida africana (Massoud, 1963) - type species of the genus - and Furculanurida emucronata Zon et al., 2014, both from Ivory Coast, in Africa. Lastly, an indefinite species of Ectonura sp. (Neanurinae) is the second record of the genus...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Frieseinae; Neanurinae; Neotropics; Pseudachorutinae; Taxonomy.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100302

Leukocyte profile of the helmeted manakin, Antilophia galeata (Passeriformes: Pipridae) in a Cerrado forest fragment
Provedor de dados: 103
Autores: Ribeiro,Paulo Vitor Alves; Baesse,Camilla Queiroz; Cury,Márcia Cristina; Melo,Celine de.
ABSTRACT Changes in the amounts and proportions of leukocytes, known as leucocyte profiles, have been documented for several bird species and have been used to measure stress levels in these animals. The present work ascertained the biological and ecological attributes that influence the leukocyte profile of Antilophia galeata (Lichtenstein, 1823), the helmeted manakin. This species has been deemed useful in ecological studies because it responds to environmental changes. Blood samples drawn from 89 individuals of A. galeata captured in a Cerrado forest fragment were subjected to analysis under optical microscopy to identify and quantify leukocytes and micronuclei. The number of lymphocytes was greater for males, non-reproductive individuals and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Avian hematology; Brazilian birds; Micronuclei; Stress; White blood cells.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100321

Microhabitat use by Cnemidophorus vacariensis (Squamata: Teiidae) in the grasslands of the Araucaria Plateau, Rio Grande do Sul, Brazil
Provedor de dados: 103
Autores: Caruccio,Rodrigo; Vieira,Renata C.; Verrastro,Laura.
Microhabitat use by Cnemidophorus vacariensis Feltrim &amp;amp; Lema, 2000 as studied between October 2006 and September 2007 in two rocky formations in the municipality of Bom Jesus. The area was searched randomly between 8:00 am and 6:00 pm and the microhabitat used by the lizards was recorded. Our observations revealed that C. vacariensis has terrestrial habits and prefers open areas. Burrows are the main microhabitat used by the species (56.38%). When in activity, 54.76% of the individuals were observed under rocks, and 38.1% on the ground where herbaceous vegetation was present. The rocks under which they constructed their burrows were on average significantly thicker during warmer seasons temperatures (x¯ = 13,45cm) with respect to colder seasons (x¯...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Burrows; Rocks; Thermoregulation; Shelter.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600011

Effects of temperature and volume of water on the growth and development of tadpoles of Pleurodema diplolister and Rhinella granulosa (Amphibia: Anura)
Provedor de dados: 103
Autores: Maciel,Thely A.; Juncá,Flora A.
The capacity of tadpoles to reduce their metamorphosis time and body size in response to fluctuations in environmental variables of temporary ponds has been recorded in field and laboratory studies. The main alterations in this habitat are related to the decrease of the water level and increase in temperature. However, few studies tried to dissociate the effect of these two variables. The aim of the present study was to analyze simultaneously the effects of water volume reduction and temperature on the development and growth in tadpoles of Pleurodema diplolister (Peters, 1870) and Rhinella granulosa (Spix, 1824) - species that use temporary ponds for reproduction. The tadpoles of these two species were subject to four treatments: (1) constant volume of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bufonidae; Leiuperidae; Temporary ponds.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300005

Anatomia visceral comparada de seis espécies de Amphisbaenidae (Squamata: Amphisbaenia)
Provedor de dados: 103
Autores: Navega-Gonçalves,Maria Eliana C.
Visceral anatomy of amphisbaenids Amphisbaena vermicularis Wagler, 1824; Anops kingii Bell, 1833; Aulura anomala Barbour, 1914; Bronia bedai Vanzolini, 1991; Cercolophia cuiabana Strüssmann &amp;amp; Carvalho, 2001, and Leposternon microcephalum Wagler, 1824 were comparatively described and the size and the position of the organs in the pleuroperitoneal cavity was established in relation to the ventral scutellation. The main results were: the right lung presents different degrees of size reduction compared to the left lung, being conspicuous only in A. anomala, and L. microcephalum; the limit between small and large intestines is clear due to the presence of a caecum; the right lobe of the liver is larger than the left one, but its length varies within the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Alimentary tract; Amphisbaenians; Gonads; Kidneys; Lungs.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300015

Notes on Neotropical Proconiini (Insecta: Hemiptera: Cicadellidae). VIII: morphology of the male and female genitalia of Paraulacizes munda, revalidated from synonymy of P. confusa
Provedor de dados: 103
Autores: Mejdalani,Gabriel; Cavichioli,Rodney Ramiro.
ABSTRACT Paraulacizes munda (Fowler, 1899) has been considered a junior synonym of P. confusa (Signoret, 1855). These two species were described from Mexico. Here it is shown that P. munda can be distinguished from P. confusa by the color and size of the body. Hence, the former is revalidated from synonymy of the latter. Descriptions and illustrations of the male and female genitalia of P. munda, which are necessary for an accurate identification of leafhopper species in general, are provided for the first time. Paraulacizes munda can be distinguished from the other 11 species currently included in Paraulacizes by the following combination of features: ground color of anterior dorsum yellow or pale yellow; dorsal processes of male pygofer strongly inflated...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Cicadellinae; Leafhopper; Sharpshooter; Taxonomy.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500403

Testing camera traps as a potential tool for detecting nest predation of birds in a tropical rainforest environment
Provedor de dados: 103
Autores: Ribeiro-Silva,Lais; Perrella,Daniel F.; Biagolini-Jr,Carlos H.; Zima,Paulo V.Q.; Piratelli,Augusto J.; Schlindwein,Marcelo N.; Galetti Junior,Pedro M.; Francisco,Mercival R.
ABSTRACT Identification of the predators of bird nests is essential to test ecological and evolutionary hypotheses and to make practical management decisions. A variety of nest monitoring devices have been proposed but many remain difficult to set up in the field. The aim of this study was to test camera traps as a potential tool to study predation of natural nests in a tropical rainforest environment. Specifically, we registered the predators, assessed their size range, and we compared the use of one and two cameras per nest. Of 122 nests from 24 bird species, 45 (37%) were depredated, and the cameras recorded the predator species in 29 of the total of depredated nests (64%). We identified predators in eight of 16 depredated nests (50%) in which we used...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Nest monitoring; Nest predators; Nesting success.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100326

First experimental evidence that a harvestman (Arachnida: Opiliones) detects odors of non-rotten dead prey by olfaction
Provedor de dados: 103
Autores: Costa,Thaiany Miranda; Willemart,Rodrigo Hirata.
Harvestmen feed on live, dead and fresh, or decomposing animals, fungi, and plant matter, being very dependent on chemoreception to find food. Herein we performed an experiment to test if individuals of Discocyrtus pectinifemur Mello-Leitão, 1937 (Gonyleptidae) (n = 23) behave differently when in contact with olfactory cues from different sources (rotten prey, non-rotten prey and a control). Using dead crickets in a box covered with a mesh, and recording the time the harvestmen spent in the vicinities of the box, we show that D. pectinifemur detects non-rotten prey and stays longer on it than on the other two treatments. Our results contrast with a previous study on another species, showing that we should not generalize results obtained for one species....
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Chemoreception; Laniatores; Sensilla; Sensory ecology.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300018

Morphology, evolution and usage of urticating setae by tarantulas (Araneae: Theraphosidae)
Provedor de dados: 103
Autores: Bertani,Rogério; Guadanucci,José Paulo Leite.
Urticating setae are exclusive to New World tarantulas and are found in approximately 90% of the New World species. Six morphological types have been proposed and, in several species, two morphological types can be found in the same individual. In the past few years, there has been growing concern to learn more about urticating setae, but many questions still remain unanswered. After studying individuals from several theraphosid species, we endeavored to find more about the segregation of the different types of setae into different abdominal regions, and the possible existence of patterns; the morphological variability of urticating setae types and their limits; whether there is variability in the length of urticating setae across the abdominal area; and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ant; Defensive behavior; Phoridae; Urticaria; Urticating hair.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400006

A new species of Seira (Collembola: Entomobryidae) from the state of Paraíba, Brazil
Provedor de dados: 103
Autores: Godeiro,Nerivânia Nunes; Bellini,Bruno Cavalcante.
A new species of Seira Lubbock, 1869 is described and illustrated. Seiraglabra sp. nov. is the second species described from the municipality of Areia (Caatinga biome) and the seventh from the state of Paraíba, Brazil. Compared with other species of the genus, Seira glabra sp. nov. has some remarkable reductions on dorsal chaetotaxy, specially on the methatorax and first abdominal segment. The most similar species to S.glabra sp. nov. is Seira praiana. Both lack macrochaetae on the first abdominal segment.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caatinga; Chaetotaxy; Entomobryomorpha; Seirini; Taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300014

An unusual reproductive mode in Hypsiboas (Anura: Hylidae)
Provedor de dados: 103
Autores: Moura,Mário Ribeiro de; Motta,Ana Paula; Feio,Renato Neves.
We report an unusual reproductive behavior of Hypsiboas pardalis (Spix, 1824). Species belonging to this genus usually are known to reproduce in lentic water bodies, with the development of exotrophic tadpoles. Herein, the bromeligenous behavior is reported for the first time in Hypsiboas Wagler, 1830. Although this reproductive behavior has been observed more than once here, we believe that it is not typical of Hypsiboas, being better characterized as an unusual reproductive mode for Hypsiboas, indicating the presence of plasticity in the reproductive modes of H. pardalis
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Amphibians; Behavior; Bromeliads; Reproductive mode.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100021

The trophic niche of Mesoclemmys vanderhaegei (Testudines: Chelidae): evidence from stable isotopes
Provedor de dados: 103
Autores: Marques,Thiago S.; Brito,Elizângela S.; Lara,Neliton R.F.; Beloto,Luciana M.; Valadão,Rafael M.; Camargo,Plínio B. de; Verdade,Luciano M.
ABSTRACT Ecological niche is the multidimensional space comprising the resources used by an organism. Intraspecific variation in resource exploitation is common in reptile populations to maximize coexistence of individuals. The use of stable isotope analysis is an effective tool when there are variations in resource exploitation, since it can provide quantitative information about food consumption and habitat use. Mesoclemmys vanderhaegei (Bour, 1973) is a medium-sized turtle with a limited distribution in south central Brazil and Paraguay. In spite of that, little is known about its ecology. In this study we used stable isotope analysis to understand the intraspecific trophic niche variation in M. vanderhaegei at Serra das Araras Ecological Station, state...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Anthropic environment; Freshwater turtle; Isotopic niche; Sexual niche.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100501

Osmolality and ions of the perivisceral coelomic fluid of the intertidal sea urchin Echinometra lucunter (Echinodermata: Echinoidea) upon salinity and ionic challenges
Provedor de dados: 103
Autores: Freire,Carolina A; Santos,Ivonete A; Vidolin,Denilton.
The intertidal sea-urchin Echinometra lucunter (Linnaeus, 1758) has been submitted to diluted sea water (SW) of salinity 25, or concentrated sea water of salinity 45. In addition, ionic challenges have been offered, supplementing 25 SW with Mg2+, Ca2+ or K+, until the concentration of each of these ions would reach the level of full-strength 35 SW (control). Perivisceral coelomic fluid has been sampled after six hours in these treatments for measurements of osmolality and concentrations of Na+, Cl-, Mg2+, Ca2+, and K+. Urchins have been further observed until five days. SW concentration (45) lead urchins to death after two days of exposure, while urchins tolerated five days in 25 SW without any sign of distress. Urchins displayed osmoconformation and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Calcium; Ionic gradients; Magnesium; Osmoconformation; Potassium; Stenohalinity.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400009

Key to the Macrophya sibirica group (Hymenoptera: Tenthredinidae) with description of a new species from China
Provedor de dados: 103
Autores: Liu,Mengmeng; Li,Zejian; Wei,Meicai.
ABSTRACT The Macrophya sibirica group was proposed by Li et al. (2016). A new species in this group, Macrophya nigrotrochanterata sp. nov. from Liaoning Province, China, is here described and illustrated. A key to all Chinese species and a distribution map of the M. sibirica group in China are provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Sawflies; Taxonomy; Tenthredinoidea.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100326

The effect of temperature on the reproduction of Limnodrilus hoffmeisteri (Oligochaeta: Tubificidae)
Provedor de dados: 103
Autores: Nascimento,Haroldo L. S.; Alves,Roberto G.
The tubificid worm Limnodrilus hoffmeisteri Claparede, 1862 is widely used as an indicator of organic pollution in aquatic environments. Nevertheless, little is known about its biology. The present work aimed to compare the reproductive rate of L. hoffmeisteri raised at three different temperatures (15, 20 and 25°C). Seventy-five adult individuals were kept in fifteen 250 ml beakers (five individuals per beaker) containing sand and dechlorinated tap-water each. Beakers were arranged so as to form three groups of five. Each group was kept in a given temperature for 21 days. Results show that worms raised at 25°C produced a significantly larger number of eggs compared to those raised either at 15 or 20°C, as observed in the tropical tubificid Branchiura...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cocoons; Eggsper cocoon; Reproductive rate; Tubificid.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100026

Feeding habits, microhabitat use, and daily activity of Cycloramphus brasiliensis (Anura: Cycloramphidae) from the Atlantic Rainforest, Brazil
Provedor de dados: 103
Autores: Maia-Carneiro,Thiago; Dorigo,Thiago A.; Almeida-Gomes,Mauricio; Van Sluys,Monique; Rocha,Carlos F.D.
We analyzed the feeding habits, microhabitat use, and daily activity period of the anuran species Cycloramphus brasiliensis (Steindachner, 1864), endemic to the Atlantic Rainforest biome. The only previous studies on this species focused on the systematics and new altitudinal records. This study was conducted in a large forest remnant located in the municipalities of Guapimirim and Cachoeiras de Macacu. We captured frogs through visual encounter surveys and recorded the frequency of microhabitat types used by them, and the time of capture. Diet was analyzed in terms of number, volume and frequency of occurrence of items. Individuals of C. brasiliensis occurred in association with fast-moving rocky portions of clear freshwater rivers, indicating a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Activity period; Conservation; Diet; Rheophilic habit; Threatened amphibians.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000300007

Population biology and distribution of the portunid crab Callinectes ornatus (Decapoda: Brachyura) in an estuary-bay complex of southern Brazil
Provedor de dados: 103
Autores: Watanabe,Timoteo T.; Sant'Anna,Bruno S.; Hattori,Gustavo Y.; Zara,Fernando J.
Trawl fisheries are associated with catches of swimming crabs, which are an important economic resource for commercial as well for small-scale fisheries. This study evaluated the population biology and distribution of the swimming crab Callinectes ornatus (Ordway, 1863) in the Estuary-Bay of São Vicente, state of São Paulo, Brazil. Crabs were collected from a shrimp fishing boat equipped with a semi-balloon otter-trawl net, on eight transects (four in the estuary and four in the bay) from March 2007 through February 2008. Specimens caught were identified, sexed and measured. Samples of bottom water were collected and the temperature and salinity measured. A total of 618 crabs were captured (332 males, 267 females and 19 ovigerous females), with a sex ratio...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Migration; Population biology; Seasonal distribution; Swimming crab.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400004

New species of the harvestmen Hutamaia (Laniatores: Gonyleptidae: Ampycinae) and generic diagnosis
Provedor de dados: 103
Autores: Tourinho,Ana Lúcia; Mendes,Amanda Cruz.
We add three new species to the formerly monotypic Amazonian Hutamaia, Hutamaia maceta sp. nov. , Hutamaia plei sp. nov. and Hutamaia trompsonica sp. nov. and compare them with the type species, Hutamaia caramaschii Soares &amp;amp; Soares, 1977. Hutamaia was known only from two localities: Humaitá, Amazonas, Brazil (type locality of the type species), and Madre de Dios, Peru. Herein we record species from the following additional localities, all in Brazil: Coari, Codajás, Juruá, Jutaí, Manacapuru, Tefé (state of Amazonas) and Gurupá (state of Pará), indicating that the genus has a widespread distribution in the Brazilian and Peruvian Amazon. Hutamaia is newly diagnosed by having yellowish granules on dorsal scutum, armature of coxa IV of males, metatarsi...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazonas-Solimões River; Floodplains; Neotropics; Opiliones; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500006

Breeding biology and advertisement call of the horned leaf-frog, Proceratophrys appendiculata (Amphibia: Anura: Odontophrynidae)
Provedor de dados: 103
Autores: Dias,Pedro Henrique dos Santos; Hepp,Fabio Silva Fernandes dos Santos; Silva,Ana Maria Paulino Telles de Carvalho e; Silva,Sergio Potsch de Carvalho e.
We describe the breeding biology and the advertisement call of the horned leaf-frog, Proceratophrys appendiculata (Günther, 1873) in the Parque Nacional da Serra dos Órgãos, municipality of Teresópolis. The reproductive period of P. appendiculata is short and is associated with the end of the winter and the beginning of the spring, when males call night and day under large rocks in sandy bottom rock streams. The amplexus is axillary and one female laid about 656 viscous eggs. The advertisement call of P. appendiculata is unique among congeners. The call lasts approximately two seconds, with about 85 pulses/call at a rate of 45 pulses/s and frequency around 0.620 kHz. It is one of the longest calls and lowest in dominant frequency. Moreover, the call of P....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Calling activity; Reproductive behavior.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400004

Genetic profile and molecular resistance of Aedes (Stegomyia) aegypti (Diptera: Culicidae) in Foz do Iguaçu (Brazil), at the border with Argentina and Paraguay
Provedor de dados: 103
Autores: Bona,Ana C. Dalla; Piccoli,Carla F.; Leandro,André de S.; Kafka,Rosinei; Twerdochilib,Adriana L.; Navarro-Silva,Mário A.
The genetic variability of populations of Aedes (Stegomyia) aegypti (Linnaeus, 1762) is often low due to the intense selection pressure caused by chemical control measures. In this study, we evaluated the susceptibility of larvae and adults of this mosquito to chemical insecticides, the frequency of the Val1016IIe mutation, and the genetic variability of the mitochondrial ND4 gene fragment in the urban area of Foz do Iguaçu, Paraná. The populations of A. aegypti in the southern and central regions of the city were resistant to the diagnostic dose of temephos 0.0162 ppm. Additionally, we detected difference in susceptibility in the northern population. The resistance ratios (RR95) were 3.8, 4.1, and 4.6 for the populations in the north, central, and south...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Knockdown resistance; Mitochondrial DNA; Pyrethroids; Temephos.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000600005

On the morphological differentiation between Libinia spinosa and L. ferreirae (Crustacea: Brachyura: Majoidea: Epialtidae)
Provedor de dados: 103
Autores: Tavares,Marcos; Santana,William.
Libinia spinosa H. Milne Edwards in Guérin, 1832 and L. ferreirae Brito Capello, 1871, inhabit very similar environments, and their geographic and bathymetric distributions overlap for about 3000 km along the southwestern Atlantic. Both species are commonly caught in the same haul and differentiating between them can often be difficult. Traditionally, morphological differentiation between L. spinosa and L. ferreirae has been based exclusively on the number of spines along the median, longitudinal line of the carapace and the development of a process at the anterolateral angle of the basal segment of the antenna. Because Libinia spinosa and L. ferreirae share similar numbers of median spines (7 and 6, respectively), and the number of median spines of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Decapoda; Libinia gibbosa; Pisinae; Southwestern Atlantic; Spider crabs.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000600009

Composition of shrimp populations (Crustacea: Decapoda) in non-vegetated areas of two river islands in a Brazilian Amazon estuary
Provedor de dados: 103
Autores: Nóbrega,Priscila Sousa Vilela da; Bentes,Bianca; Martinelli-Lemos,Jussara Moretto.
This study investigates the shrimp found in non-vegetated areas of an estuary of the Amazon River. We ascertained the input of juveniles, species' biometrics and the influence of environmental factors on the abundance of species. The samples were collected monthly, from August 2006 to July 2007, in two places in the estuary, each next to an island. For collecting, we used a manual trawl to perform three hauls per month, totaling 36 samples per site. The abundance of shrimps was estimated as a function of the density of specimens per unit area. We used the Spearman's correlation to test the hypothesis that there is significant correlation between the average of the environmental variables measured and variations in shrimp density. The Kruskal-Wallis and the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ecology; Palaemonidae; Penaeidae.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600010

How to reduce redundancy in citations of taxa names in scientific publications
Provedor de dados: 103
Autores: Carvalho,Gervásio Silva.
Tipo: Info:eu-repo/semantics/article
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200002

A new species of Melloina (Araneae: Paratropididae) from Venezuela
Provedor de dados: 103
Autores: Bertani,Rogério.
A new species of Melloina Brignoli, 1985, Melloina santuario sp. nov., is described from a cave in Venezuela. This is the third species described in this rarely sampled genus, and the first species known from both male and female. The male of M. santuario sp. nov. is distinguished by a longer embolus and fewer number of spines on the anterior tarsi. Females and immatures are distinguished by having fewer numbers of labial cuspules. The description of a new species from male and female samples increases our knowledge about Melloina. This added knowledge is important to the understanding of mygalomorph relationships, mainly in the Theraphosoidina, as Melloina is a basal genus within the Paratropididae.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cave; Glabropelma; Mygalomorphae; Neotropical; Spider taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100013

A new species of Argiope (Araneae: Araneidae) from Brazil
Provedor de dados: 103
Autores: Motta,Paulo César; Levi,Herbert W.
A new species of Argiope Audouin, 1826 is described. This is a large Argiope from South America and is found mainly in "cerrado" vegetation in central Brazil. Argiope legionis sp. nov. is most similar to A. ericae LEVI, 2004 but differs from this species by the coloration and epigynum in the female and the median apophysis and embolus of the palpus in the male palp.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arachnida; Cerrado; Neotropical; Spiders; Taxonomy.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200017

Multiple nesting attempts and long breeding seasons of Mimus gilvus (Aves: Mimidae) in southeastern Brazil
Provedor de dados: 103
Autores: Morais,Rodrigo; Araújo,Luiz Carlos de; Silva,Gleidson Ramos da; Duca,Charles.
ABSTRACT This study describes aspects of the life history of the Tropical Mockingbird Mimus gilvus (Vieillot, 1808), including the breeding period, clutch size, nestlings and a list of plants used for nesting. Nests were monitored in an area of Restinga (sand-coastal plain) habitat in a protected area in southeastern Brazil. The data from 181 nests during five breeding seasons (2010-2014) showed that the Tropical Mockingbird has a long breeding season (26.1 ± 2.6 weeks) with up to two peaks of active nests from August to March. The breeding pairs made up to four nesting attempts in the same breeding season. The mean (± SD) clutch size was 2.4 ± 0.6 eggs (n = 169). The mean (± SD) incubation period was 14 ± 0.6 days, and the nestling remained in the nest...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Breeding biology; Clutch size; Re-nesting; Restinga; Tropical Mockingbird.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100307

Scanning electron microscopic study of the tongue in golden-headed lion tamarins, Leontopithecus chrysomelas (Callithrichidae: Primates)
Provedor de dados: 103
Autores: Burity,Carlos Henrique de F.; Silva,Mirlene R. da; Souza,Andreia M. de; Lancetta,Carla F. F.; Medeiros,Mildred F.; Pissinatti,Alcides.
Leontopithecus is the largest genus of Callithrichidae, occupying isolated remnants of the Atlantic Forest in Brazil. The objective of this study was to investigate the ultrastructure of the dorsum of the tongue of golden-headed lion tamarins. Tongues of ten adult lion tamarins kept in captivity at the Center of Primatology of Rio de Janeiro (CPRJ-FEEMA) were analyzed under scanning electron microscopy. The three vallate papillae were distributed in a V shape, and each papilla was surrounded by a deep sulcus and an external pad; the medial papilla showed a round shape and the lateral one was elliptical. The filiform papillae were shaped as a crown or as finger-like papillae, and were distributed throughout the tongue, including the margins, except for the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Lingual papillae; Morphology; New World monkeys; SEM.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200015

Ceracis zarathustrai sp. nov. (Coleoptera: Ciidae) from the Atlantic Forest biome
Provedor de dados: 103
Autores: Pecci-Maddalena,Ítalo S.C.; Sandoval-Gómez,Vivian Eliana; Lopes-Andrade,Cristiano.
Ceracis Mellié, 1849 is the second most speciose genus of Ciidae, with 51 described species. Here we describe Ceracis zarathustrai sp. nov. based on adult individuals collected in three remnants of the Atlantic Forest biome (states of Minas Gerais and Espírito Santo). We provide information on its host fungi and briefly discuss the morphological affinities with other species of the genus.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Ciid; Ciinae; Minute tree-fungus beetles; Neotropical.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500008

Species of Euglossa of the analis group in the Atlantic forest (Hymenoptera, Apidae)
Provedor de dados: 103
Autores: Faria,Luiz R. R.; Melo,Gabriel A. R.
The species of Euglossa Latreille, 1802 of the analis group inhabiting the Brazilian Atlantic forest are revised and identification keys for males and females are provided. Five species are recognized in the Atlantic forest: Euglossa cognata Moure, 1970, Euglossa marianae Nemésio, 2011, Euglossa roderici Nemésio, 2009 and two new species described here, Euglossa botocuda sp. nov. and Euglossa calycina sp. nov. These two new species have been misidentified by previous authors as Atlantic forest populations of, respectively, Euglossa iopyrrha Dressler, 1982 and Euglossa mixta Friese, 1899. Relevant morphological features are illustrated and distribution maps are also provided. Notes on the analis group are included and an additional available name, Euglossa...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Apinae; Euglossina; Euglossini; Orchid bee; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000400008

Water dispersal of Amphisbaena alba and Amphisbaena amazonica (Squamata: Amphisbaenia: Amphisbaenidae) in Brazilian Amazonia
Provedor de dados: 103
Autores: Maschio,Gleomar F.; Prudente,Ana L. da C.; Mott,Tami.
Information on the use of aquatic environments by two species of amphisbaenids (Amphisbaena amazonica Vanzolini, 1951 and Amphisbaena alba Linnaeus, 1758) are presented. These findings suggest that aquatic environments are not a barrier to these animals, until now considered as strictly fossorial. New studies on amphisbaenians in natural conditions are needed in order to better understand which species may use water environment during dispersal events and the frequency of this behavior in the group.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphisbaenians; Dispersal capability; Caxiuanã.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300022

Morphology of Parastrongylidium estevesi comb. nov. and Deviata brasiliensis sp. nov. (Ciliophora: Stichotrichia) from a sewage treatment plant in Rio de Janeiro, Brazil
Provedor de dados: 103
Autores: Siqueira-Castro,Isabel C. V.; Paiva,Thiago da S.; Silva-Neto,Inácio D. da.
In samples of raw sewage collected from a sewage treatment plant in Rio de Janeiro (ETE-Penha), we found populations of two species, Deviata estevesi Paiva &amp;amp; Silva-Neto, 2005 and Deviata brasiliensis sp. nov. The organisms were studied in vivo under phase contrast microscopy, differential interference contrast (DIC), and after protargol-impregnation. The population of D. estevesi exhibited more extensive variation in cirral pattern than previously described. The interphasic organisms of new species D. brasiliensis sp. nov. are distinguishable from their congeners based on a series of morphometric features: cirral row R3 usually presents 1-3 cirri behind the right frontal cirrus, on average there are four macronuclear nodules, and, during...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ciliate; Kahliellidae; Ontogenesis; Orthoamphisiellidae; Protista.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400024

Population biology of the burrowing crab Neohelice granulata, (Crustacea: Decapoda: Varunidae) from a tropical mangrove in Brazil
Provedor de dados: 103
Autores: Gregati,Rafael A.; Negreiros-Fransozo,Maria L.
The population biology of the burrowing crab Neohelice granulata (Dana, 1851) from a mangrove in Jabaquara Beach, Paraty, state of Rio de Janeiro, Brazil (23º13'04"S and 44º42'47"W), was studied with respect to the following traits: size-frequency distribution, recruitment, reproductive period, fecundity, and sex ratio. Specimens were sampled monthly from April, 2003 to March, 2004, at the river margins during low tide periods. Size, sex, presence of eggs, and stage of the female gonad were recorded. Ovigerous females had their eggs removed and counted. The reproductive period was continuous and the highest frequency of ovigerous females was recorded in the fall and winter. Mature gonads were found throughout the year and recruitment was continuous but...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Grapsoidea; Population structure; Semiterrestrial crab.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100006

Larvae of migratory fish (Teleostei: Ostariophysi) in the lotic remnant of the Paraná River in Brazil
Provedor de dados: 103
Autores: Barzotto,Evelyn; Sanches,Paulo Vanderlei; Bialetzki,Andréa; Orvati,Lilian; Gomes,Luiz Carlos.
ABSTRACT Fish larvae and adults are morphologically distinct from each other and have different ecological requirements. Research on the dynamics of ichthyoplankton provides valuable information about the early stages of the life cycle of fish. This study analyzed the temporal and spatial distribution of the larval stages of three migratory species - Salminus brasiliensis (Cuvier, 1816), Prochilodus lineatus (Valenciennes, 1836) and Pseudoplatystoma corruscans (Agassiz, 1829) - to identify possible spawning areas in the last lotic remnant of the upper Paraná River, in the Brazilian territory. A total of 26 points were sampled monthly from October 2003 to November 2004. The PERMANOVA detected significant differences between the months only for S....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ichthyoplankton; Prochilodus lineatus; Pseudoplatystoma corruscans; Salminus brasiliensis; Upper Paraná River.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000400270

Richness of tiger moths (Lepidoptera: Arctiidae) in the Brazilian Cerrado: how much do we know?
Provedor de dados: 103
Autores: Ferro,Viviane G.; Melo,Adriano S.; Diniz,Ivone R.
The Cerrado biome is located in the central region of Brazil and consists mainly of savanna vegetation. In this study we assessed the richness of tiger moths (Arctiidae) of the Brazilian Cerrado. Specifically, we 1) assessed species richness in one-degree cells in the biome, 2) identified areas where these moths are poorly known, and 3) tested if similarities in species composition are related to geographical distance in the relatively well-sampled areas. We obtained the data mainly from specimens deposited in museums, but we also included additional information from the literature. We compiled 2,321 records belonging to 723 species. Specimens were recorded in 108 localities distributed in 67 one-degree cells. Species occurring exclusively in one or two...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arctiinae; Distance decay in similarity; Lithosiinae; Museum data; Sample effort.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500009

Spatiotemporal variations of the ichthyofaunal structure accompanying the seabob shrimp, Xiphopenaeus kroyeri (Crustacea: Penaeidae), fishery in important fishery areas of the Santa Catarina shore, Brazil
Provedor de dados: 103
Autores: Bernardes Júnior,Jurandir J.; Rodrigues Filho,Jorge L.; Branco,Joaquim O.; Verani,José R.
The present study analyzed qualitatively and quantitatively the temporal and spatial changes in the fish assemblages present in seabob shrimp distribution sites in two important fishing areas of the Santa Catarina coast. Monthly bottom trawls, conducted between March 2007 and February 2008 in Balneário Barra do Sul and Penha, yielded a total of 38,608 specimens belonging to 54 species, of which 35 occurred in both regions. The Sciaenidae was the most represented family in both number of species and abundance of individuals. The dominant species were Stellifer rastrifer (Jordan, 1889), S. brasiliensis (Schultz, 1945), Paralonchurus brasiliensis (Steindachner, 1875), Isopisthus parvipinnis (Cuvier, 1830), Trichiurus lepturus (Linnaeus, 1758), and Pellona...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Artisanal fishing; Assemblage structure; Bycatch; Demersal fish.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200002

Reproductive plasticity of Hypostomus affinis (Siluriformes: Loricariidae) as a mechanism to adapt to a reservoir with poor habitat complexity
Provedor de dados: 103
Autores: Duarte,Silvana; Araújo,Francisco Gerson; Bazzoli,Nilo.
In this work we describe the gonad morphology and spawning season of Hypostomus affinis (Steindachner, 1877) in a tropical reservoir based on 55 males and 125 females. Our aim was to assess eventual adaptations in reproductive tactics developed by this riverine species inhabiting an oligotrophic reservoir with low habitat complexity, few rocks and few other preferred consolidated substrata. We described the stages of cells of reproductive lineage, gonadal development and some reproductive traits which were compared with information in the available literature. Cells from the spermatogenic lineage were spermatogonia, spermatocytes, spermatids and spermatozoa, and cells from the oocytarian lineage were primary oocytes, previtelogenic oocytes, cortical...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Fish reproduction; Reproductive biology; Reservoirs; Tactics.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500005

Sedimentary characteristics and their effects on hatching success and incubation duration of Caretta caretta (Testudines: Cheloniidae) in Espirito Santo, Brazil
Provedor de dados: 103
Autores: Fadini,Lauana Schneider; Silva,Ary Gomes; Ferreira-Júnior,Paulo Dias.
The beaches of Espírito Santo encompass the most important nesting sites of the loggerhead sea turtle, Caretta caretta (Linnaeus, 1758), in the South Atlantic Ocean. Previous research has shown that, unlike other nesting sites in Brazil, Espírito Santo harbors a large percentage of male individuals, which play an important role in maintaining the equilibrium of C. caretta populations in the South Atlantic. During the 2006/2007 reproductive season, four beaches presenting considerable geologic differences were monitored. The sedimentary features of the nesting sites (mineral composition, albedo, and grain size), nesting dates, and clutch sizes were correlated with hatching success and incubation duration. Results show that hatching success is mostly...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Loggerhead sea turtle; Ecology; Nest; Sediment; Hatchling.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300005

Effects of agricultural and urban impacts on macroinvertebrates assemblages in streams (Rio Grande do Sul, Brazil)
Provedor de dados: 103
Autores: Hepp,Luiz Ubiratan; Milesi,Silvia V.; Biasi,Cristiane; Restello,Rozane M.
This study evaluates the effects of agricultural and urban activities on the structure and composition of benthic communities of streams in the state of Rio Grande do Sul, Brazil. Benthic macroinvertebrates were collected in streams influenced by urbanization and agriculture and in streams with no anthropogenic disturbances (reference streams). Organism density was superior in urban streams when compared with streams in the other two areas. The taxonomic richness and Shannon diversity index were higher in reference streams. The benthic fauna composition was significantly different among land uses. The classification and ordination analyses corroborated the results of variance analyses demonstrating the formation of clusters corresponding to streams with...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biomonitoring; Environmental quality; Land uses.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100016

Areas of endemism of hummingbirds (Aves: Apodiformes: Trochilidae) in the Andean and Neotropical regions
Provedor de dados: 103
Autores: Ouvernay,Daiane; Ferreira,Ildemar; Morrone,Juan J.
ABSTRACT Using track analysis and cladistic biogeography, we identified areas of endemism of hummingbirds in the Andean and Neotropical regions. Our results point out that the current areas of endemism of hummingbirds occur in the Andes, Guiana Shield, the Lesser Antilles, western Central and North America and the Chiapas Highlands. The cladistic biogeographic analysis suggests a hummingbird distribution shaped mainly by dispersal events.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Historical biogeography; Cladistic biogeography; Dispersal events; PAE.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100319

A case of leucism in the burrowing owl Athene cunicularia (Aves: Strigiformes) with confirmation of species identity using cytogenetic analysis
Provedor de dados: 103
Autores: Nogueira,Denise M; Alves,Maria Alice S.
Leucism is an inherited disorder, characterized by the lack of pigments in part or all of the body, normal coloration of the eyes and, in birds, in naked parts such as the bill and legs. This kind of disorder is sometimes erroneously designated as albinism or partial albinism. In this study, we present a case of leucism in a wild owl. The studied individual presented completely white plumage, light-yellow coloration of legs and bill and normal coloration of eyes. According to morphological features, this owl is a specimen of burrowing owl, Athene cunicularia (Molina, 1782). To confirm the species identity, we used cytogenetic analyses for karyotypic determination, comparing it to the previously described one in the literature. We also studied a captive...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aberrant plumage; Bird; Chromosomes; Karyotype.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100008

Seasonal variation in the behavior of captive alpine musk deer, Moschus sifanicus, in Xinglongshan Musk Deer Farm, of China
Provedor de dados: 103
Autores: Xiaofeng,Luan; Changjie,Zhao; Cenyi,Hui; Xiuxiang,Meng.
Musk deer farming has the potential to be an effective conservation tool for the protection of musk deer as well as the production of valuable musk. To be successful, this requires a thorough understanding of the behavior of captive musk deer in order to improve their reproductive success and management. Between August 2005 to January 2006, the behavior sampling of 19 male and 13 female captive alpine musk deer, Moschus sifanicus Büchner, 1891, was used to examine the durations of twelve behavioral characteristics during the pre-rut (August to October) and rut seasons (November to January). Both males and females exhibited some seasonal variation in behavior. Males rested and fed more during the pre-rut than the rut and spent more time walking, fighting,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Behavior; Captivity; Seasonality.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600002

Larval development of Austinixa bragantina (Crustacea: Brachyura: Pinnotheridae) reared in the laboratory
Provedor de dados: 103
Autores: Lima,Jô de Farias.
The zoeal and megalopal stages of Austinixa bragantina Coelho, 2005, a small pinnotherid crab found in association with ghost shrimps Callichirus major (Say, 1818) and Lepidophthalmus siriboia Felder &amp;amp; Rodrigues, 1993 in the northeastern region of the state of Pará, Brazil, were reared in the laboratory from hatching to the megalopal stage. The duration of the larval period from hatching to megalopa was 28 days and the mean of duration for each larval stage was 6, 5, 5, 6, and 6 days, respectively. In the present study, the zoeal and megalopal stages are described and illustrated in detail.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Larval stages; Larval description; Pará; Pinnotherid crab.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100020

Thermal biology of Amphisbaena munoai (Squamata: Amphisbaenidae)
Provedor de dados: 103
Autores: Matias,Nathalia Rocha; Verrastro,Laura.
ABSTRACT Studies on the thermal biology of fossorial reptiles that examine the relationship between the body temperature and thermal environment are needed to determine the extent of their thermoregulation abilities. This study assessed the thermal biology of Amphisbaena munoai Klappenbach, 1969 in the rocky fields of the Rio Grande do Sul and in the laboratory. The body temperature of most individuals was between 24 and 30 °C, both in the field (n = 81) and laboratory (n = 19). More individuals were caught in winter (n = 55) and spring (n = 60) than in summer (n = 25) and fall (n = 45), and in spring, individuals showed similar nocturnal and diurnal activities. In the laboratory, we found individuals with body temperatures up to 5 °C higher than the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphisbaenians; Microhabitat; Seasonal; Thermoregulation.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100313

Seasonal variation of macromedusae (Cnidaria) at North Bay, Florianópolis, southern Brazil
Provedor de dados: 103
Autores: Nogueira Júnior,Miodeli; Nagata,Renato Mitsuo; Haddad,Maria Angélica.
Seasonal variation of large medusae abundance and biomass was studied in the North Bay, Santa Catarina, southern Brazil (27°30'S, 48° 32'W), from February to December 2005. Collecting was conducted seasonally with the help of fishing bottom trawl in 30-minute sections (12 in summer, 18 in each of the remaining seasons) in six stations, totaling 66 samples. Eight species were found: the hydrozoans Aequorea sp., Olindias sambaquiensis Müller, 1861, and Rhacostoma atlantica L. Agassiz, 1850; the cubozoans Chiropsalmus quadrumanus (Müller, 1859) and Tamoya haplonema Müller, 1859, and the scyphozoans Aurelia sp., Chrysaora lactea Eschscholtz, 1829 and Lychnorhiza lucerna Haeckel, 1880. Capture rates were low, up to 38 indiv. ha-1, and only ~47% of the samples...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biomass; Chrysaora lactea; Jellyfish; Olindias sambaquiensis; Rhacostoma atlantica.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300009

Small mammals in the diet of barn owls, Tyto alba (Aves: Strigiformes) along the mid-Araguaia river in central Brazil
Provedor de dados: 103
Autores: Rocha,Rita G.; Ferreira,Eduardo; Leite,Yuri L.R.; Fonseca,Carlos; Costa,Leonora P.
We collected and analyzed 286 Barn owl, Tyto alba (Scopoli, 1769), pellets from two nests in different environments along the mid-Araguaia River in central Brazil. Our analyses revealed that these owls feed mainly on small mammals, especially rodents. Owls from the riverbanks at Fazenda Santa Fé had a more diverse diet, preying mainly on rodents that typically inhabit riparian grasslands - Holochilus sciureus Wagner, 1842 - and forests - Hylaeamys megacephalus (Fischer, 1814) and Oecomys spp., which probably also occur in forest borders or clearings. On the other hand, owls from an agroecosystem at Fazenda Lago Verde preyed mostly on rodent species common in these agrarian fields, Calomys tocantinsi Bonvicino, Lima &amp;amp; Almeida, 2003. Additionally, we...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Agroecosystems; Pellets; Riverbanks; Rodentia.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600003

Seasonal variation of ground spiders in a Brazilian Savanna
Provedor de dados: 103
Autores: Mineo,Marina Farcic; Del-Claro,Kleber; Brescovit,Antonio Domingos.
The Brazilian Savanna Ecoregion (Cerrado) is one of the richest biomes in the world, with a characteristic highly seasonal climate a dry season between May and September and a rainy season from October through April. Ground-dwelling spiders from three Cerrado phytophysiognomies, "campo cerrado", "cerrado" and "cerradão", were sampled using pitfall traps during two years, totaling 111 species and 3,529 individuals. The abundance of individuals and species richness was higher during the wet season. Fifty-eight species were captured exclusively during that period, whereas only nineteen were restricted to the dry season. Only two species were found in all samples. The number of juveniles was higher than the number of adults in all phytophysiognomies and in all...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Araneae; Brazil; Community ecology; Seasonality.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300006

Does urbanization have positive or negative effects on Crab spider (Araneae: Thomisidae) diversity?
Provedor de dados: 103
Autores: Argañaraz,Carina I.; Gleiser,Raquel M.
ABSTRACT Urbanization has a great impact on the diversity of living organisms. Spiders, for example, have been shown to respond negatively (some orb weaving species) and positively (ground dwelling species) to urbanization. The effects of urbanization on crab spiders (Thomisidae) (sit-and-wait predators that generally ambush their prey on flowers and leaves) are not sufficiently known. This paper describes the Thomisidae community that inhabits green patches in a temperate Neotropical city, Cordoba, Argentina, and its surroundings, and ascertains whether there are differences in species richness, abundance and composition between urban and exurban sites. Samples were collected from 30 sites during the summer and spring of 2013 and 2014, using the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arachnid; Biodiversity; City; Richness; Turn-over; Urbanization.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100319

Nhandu tripepii is a senior synonym of Nhandu vulpinus (Araneae: Theraphosidae)
Provedor de dados: 103
Autores: Nagahama,Roberto H.; Fukushima,Caroline S.; Bertani,Rogério.
The holotype of Eurypelma tripepii Dresco, 1984 from state of Pará, Brazil, is revised and illustrated. Its palpal bulb and tibial apophysis are similar in shape to species of Nhandu Lucas, 1983. Therefore, the species is transferred to the genus Nhandu, establishing the new combination Nhandu tripepii (Dresco, 1984) comb. nov., which is considered a senior synonym of Nhandu vulpinus (Schmidt, 1998) syn. nov. The protuberances present on the holotype's chelicerae are here considered a morphological anomaly.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Eurypelma; Hapalopus; Morfological anomaly; Spider taxonomy; Synonymy.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300025

Ecological separation by ecomorphology and swimming performance between two congeneric fish species
Provedor de dados: 103
Autores: Souza,Rafael C. R.; Pompeu,Paulo S.
ABSTRACT The high diversity of freshwater fish species reflects a great morphological plasticity. Understanding the relationship between swimming capacity, morphology and habitat use may be important to predict the chances of finding a species at an anthropized environment. The swimming capacity and morphological aspects of two sympatric species of Characidium, and for which spatial segregation in different hydraulic habitats is known, were compared in this study. Twenty-one individuals of Characidium fasciatum Reinhardt, 1867 and 23 individuals of Characidium cf. zebra Eigenmann, 1909 were captured and used for the evaluation of the swimming capacity and ecomorphological attributes. The swimming capacity of each species was obtained by measuring critical...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Characidium; Environmental pressure; Habitat use; Intraspecific differences; Morphology.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100322

A new genus of Neotropical spiders of the family Sparassidae (Arachnida: Araneae)
Provedor de dados: 103
Autores: Pinto,Elaine Cristina; Rheims,Cristina Anne.
ABSTRACT Nungara gen. nov. is proposed to include the type species, Nungara niveomaculata (Mello-Leitão, 1941) comb. nov., transferred from Olios Walckenaer, 1837 and two new species, described from males and females: N. anama sp. nov., from the states of Sergipe, Alagoas and Espírito Santo, and N. gaturama sp. nov., from the states of Sergipe, Bahia and Espírito Santo, all in Brazil. The new genus is distinguished from all other Neotropical sparassid genera by the presence of a deep tegular groove on the male palpal bulb and a hood-like projection on the median septum of the female epigyne. In addition, Olios fuscovariatus Mello-Leitão, 1943, Stasina koluene Mello-Leitão, 1941 and Polybetes proximus Mello-Leitão, 1943 are transferred to Nungara gen. nov....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; New species; South America; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000603011

Xenochlora meridionalis sp. nov. (Hymenoptera: Apidae), a new halictine bee from eastern Brazil as evidence of past connections between Amazonia and Atlantic Forest
Provedor de dados: 103
Autores: Melo,Gabriel A.R.; Faria,Luiz R.R.; Santos,Leandro M.
ABSTRACT We describe a new species of the bee genus Xenochlora Engel, Brooks &amp; Yanega, 1997, X. meridionalis sp. nov., based on a single female collected in the coastal forests of southeastern Brazil, in the state of Espírito Santo. The disjunct distribution exhibited by Xenochlora, with species in northern South America and in the Atlantic Forest of eastern Brazil, is discussed in light of current knowledge about other taxa with similar distribution pattern.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Augochlorini; Halictidae; Neotropical; Taxonomy; Systematics.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100330

Redescription of Avicularia taunayi and notes on its habitat and geographical distribution (Araneae: Theraphosidae: Aviculariinae)
Provedor de dados: 103
Autores: Bertani,Rogério; Motta,Paulo Cesar.
We redescribe the poorly known tarantula species Avicularia taunayi (Mello-Leitão, 1920) and present information on its geographical distribution and habits. The spermatheca of the female is unusual for the genus: short, broad, with a median slight curvature and lobes on its basal, median and distal portions. The male resembles other Avicularia species but can be distinguished by the presence of a tibial apophysis on leg I in conjunction with legs I and IV having roughly the same length and the presence of pale rings on the distal femora, tibiae and metatarsi. Additionally, males and females have three pairs of light brown spots extending from the dorsum to the lateral region of the abdomen. Avicularia taunayi is found in the Brazilian Cerrado, a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ancylochiros; Arachnida; Brazil; Cerrado; Tarantula.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100014

A new species of Gypona from southern Brazil (Hemiptera: Cicadellidae: Gyponini)
Provedor de dados: 103
Autores: Domahovski,Alexandre Cruz; Paladini,Andressa; Cavichioli,Rodney Ramiro.
Gypona (Marganalana) masamunesp. nov. is described and illustrated based on specimens from Brazil, state of Paraná. This species can be distinguished from the others of the genus by the following combination of characters: 1) connective with stalk apex oriented anteriorly; 2) style, in lateral view, L-shaped and broader subapically; apex tapered and acute; 3) aedeagus slender, curved dorsally, with long and slender processes arising on each side of shaft near the base, as long as aedeagus shaft; shaft without apical processes. A key to the six subgenera of Gypona is provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Identification key; Marganalana; Neotropical region; Taxonomy.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000200139

A new species of Clinodiplosis (Diptera: Cecidomyiidae) causing galls on Banisteriopsis membranifolia (Malpighiaceae), an endemic plant in Brazil
Provedor de dados: 103
Autores: Maia,Valéria Cid; Oliveira,Lazaro Araújo de.
ABSTRACT Clinodiplosis quartelensis sp. nov. (holotype male in MNRJ: Brazil, Minas Gerais State), a new gall midge species causing leaf galls on Banisteriopsis membranifolia (A. Juss.) B. Gates (Malpighiaceae), an endemic liana in Brazil, is described based on larva, pupa, adult male and female and its gall is characterized. Galls were collected in Quartel de São João, state of Minas Gerais, Southeastern Brazil. Larvae were removed from the galls and pupae and adults were obtained by rearing. Pupation takes place in the gall. The most important morphological characters were illustrated. The new species is compared with other Neotropical species of Clinodiplosis and belongs to the group with simple tarsal claws, curved beyond tarsus midlength. Clinodiplosis...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Gall; Insect-plant interaction; Malpighiaceae.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100301

Different collecting methods reveal different ecological groups of centipedes (Chilopoda)
Provedor de dados: 103
Autores: Tuf,Ivan Hadrián.
ABSTRACT Soil invertebrates are studied by a number of methods. Here we used zoological methods (soil sampling, pitfall trapping, litter sifting, and hand collecting) to sample centipede communities in four floodplain forests (Czech Republic, Europe) and compared the efficiency of these methods. Heat-extraction from soil samples was the most effective, followed by pitfall trapping. The centipedes found by us can be divided into five ecological groups: 1) larger, abundant lithobiomorphs, 2) larger, scarcer lithobiomorphs, 3) smaller, soil lithobiomorphs, 4) abundant geophilomorphs, and 5) scarcer geophilomorphs.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Heat extraction; Litter sifting; Pitfall trapping; Soil sampling.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500345

Stress in Pimelodus maculatus (Siluriformes: Pimelodidae) at different densities and times in a simulated transport
Provedor de dados: 103
Autores: Braun,Neiva; Nuñer,Alex Pires de Oliveira.
The transportation of live fish is a routine procedure in aquaculture, and includes a series of stressful stimuli such as an increase in the stocking density of specimens per volume of water, and abrupt changes in water quality. This study evaluated the water quality and the stress levels on Pimelodus maculatus (Lacépède, 1803) fingerlings transported in plastic bags by a mechanical transportation simulator. Fish were stocked at densities 4 (22.88 g/L), 8 fish/L (45.76 g/L) and 12 fish/L (68.64 g/L) and the transportation simulation was performed for 4, 8 or 12 hours. A completely randomized experimental design applied to a 3 x 3 factorial model with three replicates was used. Water quality was evaluated by the analysis of the temperature, pH,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aquaculture; Cortisol; Mandi-amarelo; Simulated transportation; Water quality.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000100012

Errata
Provedor de dados: 103
Tipo: Info:eu-repo/semantics/article
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300019

A new species of Falsocis (Coleoptera: Ciidae) from the Atlantic Forest biome with new geographic records and an updated identification key for the species of the genus
Provedor de dados: 103
Autores: Araujo,Lucimar Soares de; Lopes-Andrade,Cristiano.
ABSTRACT Species of Falsocis are very distinct from members of other ciid genera and are relatively uniform morphologically. The genus has been recorded only from well preserved forests in the Neotropical region, from Costa Rica to southern Brazil. We describe Falsocis sooretama sp. nov. based on adult individuals collected at Reserva Biológica de Sooretama (Sooretama, state of Espírito Santo), a conservation unit of the Atlantic Forest biome. Falsocis sooretama sp. nov. is closely related to F. occultus Lopes-Andrade &amp; Lawrence, but differs from it in possessing sparser stout bristles and very minute setae (~0.01 mm) on elytra, and apex of anterior male pronotal plate rounded rather than acute. The male genitalia of F. sooretama sp. nov. and F....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Ciid; Ciinae; Minute tree-fungus beetles; Neotropical.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000103005

Assessment of the ecological functionality of anthropogenically created habitats in the impoundment of the hydropower plant Freudenau (Vienna, Austria) with bi- and multivariate statistical analyses
Provedor de dados: 103
Autores: Tarkus,Martin; Volkmann,Christian; Drexler,Silke-Silvia; Waidbacher,Herwig; Straif,Michael.
The construction of the hydropower plant Freudenau was accompanied by the introduction of new structures and habitats. This study processes and evaluates the ecological fish data for the periods 1999/2000 and 2003/2004. The area was subdivided into five sections and 19 habitats (stream kilometer 1914.50 to 1994.60). Bi- and multivariate analyses were inducted with SPSS© (SPSS 2007). The CPUE values show that most fish remain in the Transition Zone and in the Head of Reservoir. The cluster analyses of the individual habitats show that these can be characterized primarily by abiotic factors. There was a strong statistical relationship between the individual habitats and the Danube mainstream. We conclude that fish have access to the habitats and that there...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aquatic ecosystems; Fish ecology; Hydraulic engineering; River management.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100014

Abundância e distribuição de Aeglidae (Crustacea: Anomura) em função do uso da terra na bacia hidrográfica do Rio Jacutinga, Rio Grande do Sul, Brasil
Provedor de dados: 103
Autores: Trevisan,André; Hepp,Luiz Ubiratan; Santos,Sandro.
This study investigated the influence of land use and occupation on the density and distribution of aeglids in the hydrographic basin of the Jacutinga river (northern state of Rio Grande do Sul, Brazil). Sampling was carried out during the summer and winter of 2004, at 12 sites distributed in river spring, agriculture, grazing, and urban areas. Animals were collected using a Surber sampler. An analysis of variance (ANOVA) was conducted to evaluate differences in the density of species in each land use and sampling period. Biological data were classified using cluster analysis (Euclidian distance; UPGMA). A total of 226 aeglids were captured, including 167 (78.89%) specimens of Aegla platensis Schmitt, 1942 and 59 (26.11%) specimens of A. singularis...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aegla platensis; Aegla singularis; Bioindicators.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300006

Análise comparativa da dieta de quatro espécies de cucos (Aves: Cuculidae), no sul do Brasil
Provedor de dados: 103
Autores: Repenning,Márcio; Basso,Helena C. de P.; Rossoni,Jonas R.; Krügel,Marilise M.; Fontana,Carla S.
We studied stomachs contents of 50 specimens of four common cuckoo species (Cuculidae) from southern Brazil: Guira guira (Gmelin, 1788) (n = 21), Coccyzus melacoryphus (Vieillot, 1817) (n = 8), Crotophaga ani (Linnaeus, 1758) (n = 11), and Piaya cayana (Linnaeus, 1766) (n = 10). We measured stomach volume and prey were identified and quantified based in their dimensions. The size of the prey was associated with bill width and body mass. Diet items were analyzed and identified to the lowest possible taxonomic level, based on literature, scientific collection data, and specialists. The diet of the four species was composed by 100% animal species, with invertebrate dominance. Only in G. guira stomachs the presence of vertebrates was observed more than once...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arthropoda; Coccyzus melacoryphus; Crotophaga ani; Guira guira; Insects; Piaya cayana.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300008

A new look into the small-scale dispersal of free-living marine nematodes
Provedor de dados: 103
Autores: Thomas,Micheli C; Lana,Paulo C.
We tested experimentally the hypothesis that prevailing locomotion/feeding strategies and body morphology may lead to more active dispersal of free-living marine nematodes, besides passive transport. Neutral Red was applied to the sediment inside cores and the red plume formed during the flood tide was divided into near, middle, and distant zones. At 0.5 m and 1 m from the stained cores, sampling nets were suspended 5 and 10 cm above the sediment-water interface. Dispersion behaviors were defined as a function of a) the numbers of stained recaptured nematodes in comparison to their mean densities in the sediment, b) movement in the sediment or swimming in the water column, and c) body morphology. Tidal currents with average velocities of 9 cm/s resuspended...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Dispersion behavior; Intertidal flats; Nematode; Paranaguá Bay.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400006

Taxonomic revision of Megalothoraca (Diptera: Richardiidae) with description of a new species, synonyms and new combination
Provedor de dados: 103
Autores: Wendt,Lisiane Dilli; Marinoni,Luciane.
ABSTRACT A taxonomic revision of Megalothoracha Hendel, 1911 is provided, including a description of Megalothoraca rosalyae Wendt, sp. nov. from Colombia. The genus encompasses large species from Colombia, Ecuador, Peru and Bolivia (new record), and each species was described based either on males or females. These species can be diagnosed by long and slender mid and hind legs and wing longer than body, vein R2+3 with two strong curves on apical third, and short spurious vein medially. And males have costal vein conspicuously bowed anteriorly and thickened on medial portion. The following nomenclatural changes are made: Megalothoraca hendeli Enderlein, 1912, syn. nov. is a junior synonym of M. pterodontida Hendel, 1911; Batrachophthalmum teleopsis (Hennig,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Identification key; Neotropical; New record; Richardiinae; Taxonomy; Tephritoidea.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100327

Taxonomy of Xylographellini (Coleoptera: Ciidae) from the Australian and Oriental regions with descriptions of new species of Scolytocis and Xylographella
Provedor de dados: 103
Autores: Souza-Gonçalves,Igor; Lopes-Andrade,Cristiano.
ABSTRACT Xylographellini beetles occur mainly in lands of the Southern Hemisphere. However, the taxonomy of Australian and Oriental species is incipient. The tribe comprises four genera, of which Scolytocis Blair, 1928 and Xylographella Miyatake, 1985 were recently redescribed and reported from Australia but without descriptions of new species. Here, three new species of Xylographellini are described: Scolytocis australimontensis sp. n. from Australia, with smooth interspaces of pronotal punctures; Scolytocis insularis sp. n. from the Pohnpei Island (Caroline Islands, Micronesia), with microstriated interspaces of pronotal punctures; and Xylographella frithae sp. n. from Australia, with six raised keels in elytral declivity. Scolytocis samoensis Blair,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Australia; Ciid; Ciinae; Micronesia; Minute tree-fungus beetles.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100311

The feeding habits of the endemic Remo flounder, Oncopterus darwinii (Actinopterygii: Pleuronectidae), in an exposed sandy beach’s surf zone in southern Brazil
Provedor de dados: 103
Autores: Lameiro,Fábio R.; Condini,Mario V.; Brito,Cíntia P.; Vieira,João P.
ABSTRACT The Remo flounder, Oncopterus darwinii Steindachner, 1874 is a small Pleuronectidae (~ 250 mm TL) distributed in the warm-temperate zone from Santa Catarina (28°S - Brazil) to the Gulf of San Matías (42°S - Argentina). We studied the occurrence and diet of juveniles of this flatfish (85% &lt; 100 mm TL) for one year (August 2009 to July 2010) in a southern Brazilian sandy beach. Individuals were much more common in spring and early summer than in the other seasons. Of the 758 individuals analyzed, only 69 (9.1%) were found with empty stomachs. The Remo flounder fed predominantly on small crustaceans (gammarid amphipods, mysids and the hipiidae Emerita brasiliensis Schmitt, 1935) and no seasonal differences were found in the composition of the diet...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Feeding strategy; Flatfish; Marine fish; Southwestern Atlantic Ocean.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100331

Size-selective predation of the catfish Pimelodus pintado (Siluriformes: Pimelodidae) on the golden mussel Limnoperna fortunei (Bivalvia: Mytilidae)
Provedor de dados: 103
Autores: Vieira,João P.; Lopes,Michelle N.
This paper describes the size-selective predation on Limnoperna fortunei (Dunker, 1857) by Pimelodus pintado (Azpelicueta, Lundberg &amp;amp; Loureiro, 2008) from the time it arrived at the Mirim Lagoon basin (2005). Sampling was carried out using bottom trawl in depths of 3-6 m, from January to November 2005, and from October to November 2008. Pimelodus pintado began to prey upon L. fortunei soon after its arrival (austral spring of 2005). On the spring of 2008, L. fortunei was found to be the most important food item of P. pintado. The variation in length of the mussels (0.7-3.2 cm, with a mode of 1.3 cm) indicates that the species is now fully established in the system. Our data indicates that large individuals of P. pintado incorporate more mussels in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Freshwater invasion; Opportunistic predator; Mirim Lagoon.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100005

Biology and morphology of Molippa cruenta (Lepidoptera: Saturniidae) in the laboratory
Provedor de dados: 103
Autores: Specht,Alexandre; Formentini,Aline C.; Benedetti,Augusto J.
The goal of this contribution was to study the biology and morphology of all developmental stages of Molippa cruenta (Walker, 1855), a member of Hemileucinae (Saturniidae), endemic to southern Brazil and northeastern Argentina. Daily observations were carried out on individuals reared under controlled temperature (25 ± 1ºC), relative humidity (70 ± 10%) and photophase (14 hours of light). The duration and viability of each developmental phase, as well as morphological and behavioral aspects of each stage, were evaluated. Under laboratory conditions, the life-cycle of M. cruenta was completed in 150 days, with mean periods for egg, larva, pupa and adult phases being 35, 71.95, 37.85, 19.17 and 4.81 days, respectively. The larval phase included six instars,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Developmental biology; Hemileucinae; Larvae; Life-cycle.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300005

Systematic review and cladistic analysis of the Hernandariinae (Opiliones: Gonyleptidae)
Provedor de dados: 103
Autores: DaSilva,Marcio Bernardino; Pinto-da-Rocha,Ricardo.
The harvestmen subfamily Hernandariinae is reviewed and a new classification is proposed based on cladistic analysis using 67 morphological characters. The subfamily is composed of six genera and 23 species and occurs in south-southeastern Brazil, Paraguay, and northeastern Argentina. Fourteen new combinations are proposed: Hernandaria armatifrons (Roewer, 1917); H. una (Mello-Leitão, 1927); Acrogonyleptes granulatus (H. Soares, 1966); A. pectinifemur (Soares &amp;amp; Soares, 1947); Acanthogonyleptes alticola (Mello-Leitão, 1922); A. editus (Roewer, 1943); A. fallax (Mello-Leitão, 1932); A. fulvigranulatus (Mello-Leitão, 1922); A. marmoratus (Mello-Leitão, 1940); A. pictus (Piza, 1942); A. singularis (Mello-Leitão, 1935); A. soaresi (Mello-Leitão, 1944);...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Rain Forest; Endemism; Harvestmen.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400010

Epibionts on Arenaeus cribrarius (Brachyura: Portunidae) from Brazil
Provedor de dados: 103
Autores: Costa,Tânia M.; Christofoletti,Ronaldo A.; Pinheiro,Marcelo A. Amaro.
Mean prevalence and intensity of infestations by epibionts were evaluated in Arenaeus cribrarius (Lamarck, 1818), based on monthly samplings (May/1991 to April/1993), in Ubatuba, Brazil. Bryozoans were quantified in terms of colony numbers and barnacles by the number of specimens. Prevalence of infestation was determined in 1,914 individuals of A. cribrarius and assessed with respect to sex, maturity stage and season. No significant interaction was detected between epibionts and biological host factors. Males showed a higher infestation rate by Chelonibia patula (Ranzani, 1818) when compared to mature non-ovigerous females, yet Octolasmis lowei Darwin, 1851 infestation was associated to adult crabs. The ovigerous females of A. cribrarius showed a higher...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bryozoan; Chelonibia patula; Epibiosis; Octolasmis lowei.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300010

Historical relationships among Neotropical endemic areas based on Sepedonea (Diptera: Sciomyzidae) phylogenetic and distribution data
Provedor de dados: 103
Autores: Pires,Amanda Ciprandi; Marinoni,Luciane.
The present study used the previously defined relationships among the snail-killing species of Sepedonea as the starting point for a cladistic biogeography analysis of endemic areas in the Neotropical region. The goal of the study was to use two different data sets to test the possible monophyly of two important biomes in the region: the Amazon and the Atlantic Forest. The possible historical significance of the arid biomes was also investigated. The study used Brooks Parsimony Analysis (Primary BPA). The area groups were based on previous biogeographical classifications of the Neotropial region. The analyses showed Amazonia to be non-monophyletic whereas the Atlantic forest was found to be a natural unit. The importance of including dry areas in the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazonia; Arid areas; Atlantic forest; BPA; Neotropical region.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500003

Polimorfismo no padrão de manchas tegumentares de larvas e adultos de Ceraeochrysa caligata (Neuroptera: Chrysopidae) e redescrição dos instares larvais
Provedor de dados: 103
Autores: Viana,Gustavo G.; Albuquerque,Gilberto S.
Ceraeochrysa caligata (Banks, 1945) is one of the several species of Ceraeochrysa Adams, 1982 that occur in agroecosystems of the Neotropical region and show potential for use in biological control programs. However, little is known about its biology, partly because of the poor status of the systematics of this group. To help in the identification of C. caligata and to contribute with additional characters for future phylogenetic studies with the genus, here we characterize the variations in relation to the pattern of integument markings originally described for the adults and larvae and redescribe the three larval instars, including characters not considered in the original description, especially the number of setae in the tubercles and somatic segments....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Adult and larval polymorphism; Biological control; Green lacewing; Morphology; Systematics.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100023

Scolelepis (Polychaeta: Spionidae) from the Brazilian coast with a diagnosis of the genus
Provedor de dados: 103
Autores: Rocha,Marcelo Borges; Paiva,Paulo Cesar de.
Five species of Scolelepis have been reported for the Brazilian coast. This study raises this number, with two new records: S. acuta Treadwell, 1914, originally from Eastern Pacific, and Scolelepis andradei Delgado-Blas, Díaz &amp;amp; Liñero-Arana, 2009, from the Caribbean Sea. Furthermore, two species were found to have an expanded geographic range along the Brazilian coast: Scolelepis lighti Delgado-Blas, 2006 and Scolelepis goodbodyi Jones, 1962.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Morphology; Scolelepis acuta; Scolelepis andradei; Systematics; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000400011

Estimating the relative abundance of small mammals when there is no record of catching effort
Provedor de dados: 103
Autores: Cerqueira,Rui; Kajin,Maja.
ABSTRACT Estimates of local population abundances, which require carefully designed sampling procedures, can provide valuable information on population size and density. Even though small mammals are one of the most widely studied vertebrate groups, many surveys have not recorded basic information to estimate local abundances, for instance catching effort. Here we suggest a simple comparative trapping frequency index that can be used as an alternative to the relative abundance index in data sets that only contain the number of species and individuals collected, thus lacking information on sampling effort. To compare trapping frequency and relative abundances we used capture records from more than four years, from seven species of rodents and two marsupial...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Mammal collections; Population index; Removal; Trapping.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000400325

Description of two new species of Lycinus (Araneae: Nemesiidae)
Provedor de dados: 103
Autores: Lucas,Sylvia M.; Indicatti,Rafael P.
Two new species of Lycinus Thorell, 1894 are described in this paper, L. portoseguro sp. nov. and L. choros sp. nov. Lycinus portoseguro sp. nov. is based on male and female from Porto Seguro, state of Bahia, Northeastern Brazil. This is the first record of a species of Lycinus from Brazil. Males of L. portoseguro sp. nov. differ from the remaining species of the genus by the presence of a retrolateral megaspine on tibia I and by the short embolus. Females can be distinguished by the scopulae divided on tarsi II. Lycinus choros sp. nov. is based on one male from La Serena, IV Region (Coquimbo), Chile. It is the eighth species described from this country. L. choros sp. nov. resembles L. epipiptus (Zapfe, 1963) by the longer embolus and differs from it by...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Chile; Diplothelopsinae; Mygalomorphae.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300015

Hematological and parasitological health conditions of the Pale-breasted Thrush (Turdus leucomelas) (Passeriformes: Turdidae) in southeastern Brazil
Provedor de dados: 103
Autores: Lobato,Débora N. C.; Braga,Érika M.; Belo,Nayara de O.; Antonini,Yasmine.
From an ecological point of view, parasites are considered important selective forces that influence all aspects of a host's life. The purpose of this study was to assess the health state of Turdus leucomelas Vieillot, 1818 (Turdidae: Passeriformes) inhabiting a Brazilian Cerrado in the breeding and molting seasons through a hematological parameter analysis and an evaluation of infection by blood parasites. The birds were collected with mist-nets, ringed and blood sampled to assess hematological parameters (hematocrit, hemoglobin concentration and white blood cells) and blood parasites. We detected blood parasites through optical microscopy and subsequently used PCR (amplification of the 18sRNA gene) to verify the presence of Plasmodium spp. (avian...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Avian health parameters; Avian malaria; Blood parasites; Brazilian Cerrado.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600010

A review of Scatellini (Diptera: Ephydridae) from Brazil
Provedor de dados: 103
Autores: Mathis,Wayne N.; Marinoni,Luciane; Costa,Daniel N.R.
Scatellini was proposed by Wirth &amp;amp; Stone, 1956 and currently includes 242 described species in nine genera­. The tribe has representatives in all biogeographic regions and about 70 species occur in the Neotropical Region. Prior to this study, only two species were recorded from Brazil: Scatella obscura and Limnellia itatiaia. In this paper, species of Scatellini from Brazil are reviewed with an emphasis on the fauna from southern Brazil, where six new species have been discovered and are described herein: Scatella praia, S. plaumanni, S. rara, Scatophila darrowae, S. dianneae, and S. prainha. To facilitate identification of the tribe and included genera and species, we have included diagnoses of these taxa and have also provided an annotated key to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Neotropical Region; Shore flies; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000600005

Genetic consequences of population subdivision: the marsupial Micoureus paraguayanus (Mammalia: Didelphimorphia) as a case study
Provedor de dados: 103
Autores: Brito,Daniel.
Habitat fragmentation may cause population subdivision, affecting genetic variation, leading to heterozygosity loss and increased inbreeding, and contributing to population extinction. However, some genetic models have shown that under some conditions, population subdivision can favor heterozygosity and allelic diversity, and small populations may adapt to inbreeding. Here I investigate the relationship between population subdivision and genetic diversity for the marsupial Micoureus paraguayanus (Tate, 1931) using the program Vortex. Hypothetical populations of 100 and 2000 individuals were partitioned into 1, 2, 5 or 10 populations that were linked by varying rates of dispersal and also by sex-biased dispersal. Results suggested that heterozygosity and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Genetic drift; Genetic load; Habitat fragmentation; Inbreeding; Metapopulation; Population viability analysis.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400013

Influence of structural habitat use on the thermal ecology of Gonatodes humeralis (Squamata: Gekkonidae) from a transitional forest in Maranhão, Brazil
Provedor de dados: 103
Autores: Miranda,Jivanildo P.; Ricci-Lobão,Andréa; Rocha,Carlos Frederico D.
We studied the structural habitat use and the thermal ecology of Gonatodes humeralis (Guichenot, 1855) in São Luís, Maranhão, Brazil, to examine intersexual differences in the use of perch features and to simultaneously analyze reciprocal differences on thermal ecology between the sexes. Gonatodes humeralis body temperature was strongly correlated with environmental temperatures (air and substrate), but air temperature had an additional effect on the males' body temperatures after removing the effect of the substrate temperature. Males and females differed significantly in perch height use above ground (males perched higher) but the sexes did not differ in the trunk perimeter used. Gonatodes humeralis tended to use the larger tree trunks available in its...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Gecko; Temperature; Intersexual differences; Microhabitat; Thermoregulation.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100006

Correction of the weight and length for juveniles Atherinella brasiliensis (Actinopterygii: Atherinopsidae) after fixation in formalin and preservation in ethanol
Provedor de dados: 103
Autores: Melo,Marcelo T.; Saturnino,Cíntia; Santos,Joaquim N. S.; Vasconcellos,Ruan M.; Cruz-Filho,Antonio G.; Araújo,Francisco G.
The present study compared losses of weight and length in specimens of Atherinella brasiliensis (Quoy &amp;amp; Gaimard, 1825) after fixation in formalin 10% during ten days, and posterior preservation in ethanol 70% for 45 days, in two solvents: freshwater and marine water. Additionally, correction factors were proposed to calculate the correction for weight and length from preserved specimens. The specimens were weighted and measured after collection (fresh), and with 10, 20, 27, 34, 41 and 55 days of fixation plus preservation. The largest losses in weight occurred during the first 20 days (10.35 ± 0.31% - freshwater; 11.29 ± 0.44% - marine water), continuing with lesser intensity up to the 27th day in freshwater dilution, and up to the 34th day in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Back-calculation; Initial length; Shrinkage; Size conversion.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600009

Trophic ecology and microhabitat utilization by the Bufo gargarizans, Rana guentheri, and Rana limnocharis in southwestern China
Provedor de dados: 103
Autores: Yu,Tonglei; Guo,Yanshu.
We studied the trophic ecology and microhabitat use of the Asiatic toad, Bufo gargarizans Cantor, 1842; Guentheri frog, Rana guentheri (Boulenger, 1882); and the Ricefield frog, Rana limnocharis (Boie, 1834). These three species are common around Nanchong City, in southwestern China, where they live in the same habitat before hibernation. The main objective of this study was to analyze the diets and patterns of coexistence relative to the microhabitat of each species. In the Asiatic toad, based on index of relative importance, the diet was dominated by adult Coleoptera, Isopoda, and Hymenoptera (29.53%, 22.07%, and 15.20%, respectively), while the Guenther's frog and Ricefield frog ingested predominantly Orthoptera (67.44% and 40.94%, respectively). The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anuran; Asiatic toad; Diet; Guentheri frog; Habitat; Resource partitioning; Ricefield frog.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100006

Length-based estimates of growth parameters and mortality rates of fish populations from a coastal zone in the Southeastern Brazil
Provedor de dados: 103
Autores: Costa,Marcus Rodrigues da; Tubino,Rafael de Almeida; Monteiro-Neto,Cassiano.
ABSTRACT Small-scale fisheries in Brazil contribute to a significant share of total fish production, accessing a large variety of species. Life history parameters from these resources are important for their management and conservation, based on primary data. The objective of this article is to generate growth parameters and mortality rates of ten fish populations from a coastal zone in Southeastern Brazil. Monthly samples were taken between January 2011 and November 2014 from landings of the beach-seine fishery in an area adjacent to the entrance of the Guanabara Bay. All fishes were measured (total length) and weighed. The length-weight relationships (LWR) were estimated by linear regression analysis on log-transformed data of the equation: W = aL  b ....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ichthyofauna; Length-weight relationships; Life history; Shallow waters; Small-scale fisheries.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100343

A new ‘horned’ Stenocercus from the highlands of southeastern Brazil, and redescription of Stenocercus tricristatus (Reptilia: Tropiduridae)
Provedor de dados: 103
Autores: Ávila-Pires,Teresa C. S.; Nogueira,Cristiano de C.; Martins,Marcio.
ABSTRACT A new species of the lizard genus Stenocercus Duméril &amp; Bibron, 1837 is described based on six specimens from Serra da Canastra, Minas Gerais, southeastern Brazil. Similar to S. tricristatus (Duméril, 1851), S. dumerilii (Steindachner, 1867), S. quinarius Nogueira &amp; Rodrigues, 2006, and S. squarrosus Nogueira &amp; Rodrigues, 2006, the new species has a pyramidal head and an enlarged, dorsally projected post-supraciliary scale, like a small horn. It is most similar to S. tricristatus, from which it differs in having a more elongated head in ventral view; a larger number of scales around midbody; a distinctly enlarged, smooth preauricular scale; and probably a larger body size. Moreover, the new species has distinctly keeled scales, with...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Minas Gerais; New species; Serra da Canastra; Squamata; Taxonomy.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100304

A new species of Kingsleya (Crustacea: Decapoda: Pseudothelphusidae) from the Xingu River and range extension for Kingsleya junki, freshwater crabs from the southern Amazon basin
Provedor de dados: 103
Autores: Pedraza,Manuel; Martinelli-Filho,José Eduardo; Magalhães,Célio.
Kingsleya castrensis sp. nov., a pseudothelphusid crab is described and illustrated from the Xingu River, state of Pará, southern Amazon region, Brazil. The new species is characterized by the male first gonopod bearing a large, well-developed apical plate, with a broadly rounded, thick distal lobe. New records of Kingsleya junki Magalhães, 2003 extend the distribution of this species eastward to the Tocantins River basin, in the state of Pará, Brazil.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon; Brachyura; Kingsleyini; Neotropical region; Taxonomy.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100041

Equipment based on high power UV and white light LEDs to collect and observe scorpions (Arachnida: Scorpiones) and other fluorescent organisms
Provedor de dados: 103
Autores: Ramires,Eduardo N.; Peracetta,Luiz F.; Nogas,Cláudio; Navarro-Silva,Mário A.; Paladini,Edson P.
We introduce a new, high quality, low cost and versatile LEDs-based handset device that emits high power UV and white light, which can be used interchangeably. It offers power control and has long battery life. Even though it is optimized to detect and collect scorpions under low light conditions, it can also be used with other groups of fluorescent organisms. The device achieved superior performance in field and laboratory trials when compared with a 12 LEDs low power UV flashlight, and a 46 W black fluorescent light lamp, to locate Tityus serrulatus Lutz &amp;amp; Mello, 1922.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Buthidae; Fluorescence; Invertebrate collecting methods; Pest control.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400015

Evolution of bill size in relation to body size in toucans and hornbills (Aves: Piciformes and Bucerotiformes)
Provedor de dados: 103
Autores: Hughes,Austin L.
Evidence that the bill of the Toco Toucan, Ramphastos toco Statius Muller, 1776, has a specialized role in heat dissipation suggests a new function for the large and light-weight bill of the toucan family (Piciformes: Ramphastidae). A prediction of this hypothesis is that bill length in toucans will increase with body mass at a rate greater than the isometric expectation. This hypothesis was tested in a phylogenetic context with measurements of skeletal elements in adult males of 21 toucan species. In these species, 64.3% of variance in relative skeletal measurements was accounted for by the contrast between bill and body size. Maxilla length and depth increased with body mass at a greater than isometric rate relative to both body mass and other linear...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Allometry; Heat dissipation; Ramphastidae.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000300007

Factors affecting escape distance in birds
Provedor de dados: 103
Autores: Piratelli,Augusto J.; Favoretto,Gabriela R.; Maximiano,Marina F. de Almeida.
ABSTRACT The flight initiation distance has been used either to understand the cost-benefit trade-offs related to the risk of predation or as an important tool for wildlife managers. Although this variable is well-discussed for temperate regions, it is still poorly known in the Neotropics. Here we analyze the escape behavior of birds from southeastern Brazil, comparing an urban to a non-urban area. We tested for the influence of sites (urban vs. non-urban area), approaching (by one vs. two people), daytime (morning vs. afternoon), seasons (breeding vs. non-breeding) and body mass on the determination of the initial (FID) and final (FFD) flight distances across different bird species. We predict that FID will be greater in rural areas and under a greater...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Behavior; Energetic; Neotropical; Predation; Urban.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600438

Errata for zoologia volume 27
Provedor de dados: 103
Tipo: Info:eu-repo/semantics/article
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100022

On the enigmatic troglobitic scorpion Troglorhopalurus translucidus: distribution, description of adult females, life history and comments on Rhopalurus lacrau (Scorpiones: Buthidae)
Provedor de dados: 103
Autores: Gallão,Jonas Eduardo; Bichuette,Maria Elina.
ABSTRACT We describe for the first time the adult female of the troglobitic scorpion Troglorhopalurus translucidus Lourenço Baptista &amp; Giupponi, 2004, and broaden its known distribution to other sandstone caves at Chapada Diamantina's region. The life history of T. translucidus is reconstructed through morphometric measurements, with a multivariate analysis applied on a set of 16 specimens in all stages (including the holotype) and biological notes. The ontogeny of T. translucidus has seven stages and the litter size is 43 (n = 1). We discuss the isolation of T. translucidus and Rhopalurus lacrau Lourenço &amp; Pinto-da-Rocha, 1997 in caves of Chapada Diamantina, and discuss their troglomorphisms (autapomorphies) among other species related with...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Endemism; Bahia; Chapada Diamantina; Sandstone; Troglomorphisms.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000603000

The effects of four types of anthropogenic disturbances on composition and abundance of terrestrial isopods (Isopoda: Oniscidea)
Provedor de dados: 103
Autores: Magrini,Mariana J; Freitas,André V. L; Uehara-Prado,Marcio.
The Brazilian Atlantic Forest is currently reduced to about 12% of its original range. Among the components that make up its great diversity, there are species with the potential to be bioindicators, which can be very important for conservation-oriented studies. This study compares the species composition, abundance and sex ratio of terrestrial isopods in sites that show different anthropogenic disturbance histories and are located within four reserves in the Atlantic Forest of southwestern Brazil. Our study explores these crustaceans as indicators of anthropogenic disturbance. The influence of one of the following factors was explored in each protected area: 1) history of vegetation harvesting, 2) trail management, 3) Eucalyptus planting, and 4) edge...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Bioindicator; Conservation.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100010

Population biology and secondary production of the stout razor clam Tagelus plebeius (Bivalvia, Solecurtidae) on a sandflat in southeastern Brazil
Provedor de dados: 103
Autores: Abrahão,Jolnnye R.; Cardoso,Ricardo S.; Yokoyama,Leonardo Q.; Amaral,A. Cecilia Z.
The population biology and production of the stout razor clam Tagelus plebeius Lightfoot, 1786 were investigated on an intertidal sandflat on the southeast coast of Brazil (Enseada Beach, São Sebastião, state of São Paulo) between April 1997 and April 1998. Two rectangular sites of 50 X 10 m parallel to the waterline were established, site A (upper intertidal level) and site B (middle intertidal level), where the samples were taken in an 0.5 x 0.5 m quadrat. High abundances were recorded in winter and spring, with no significant differences between the sites. The high bivalve abundances were related to the presence of very fine homogeneous sediment with low salinities. Tagelus plebeius had negative allometric growth, characteristic of deep burrowers for...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Abundance; Growth; Intertidal zone; Mortality.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100009

Taxonomic study of Spilomena (Hymenoptera: Crabronidae) with a new species and five new records from China
Provedor de dados: 103
Autores: Bashir,Nawaz Haider; Ma,Li; Li,Qiang.
ABSTRACT A new species, Spilomena capatrata Bashir &amp; Ma, sp. nov. is described from Palearctic and Oriental China. Additionally, eleven species are reported, of which five are new records from China: S. beata Blüthgen, S. hainesi N. Smith, S. menkei R. Bohart, S. punctatissima Blüthgen, and S. valkeilai Vikberg. A key to Chinese species of Spilomena Shuckard is also provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Palearctic; Pemphredonina; Pemphredonini; Oriental; Taxonomy.
Ano: 2021
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702021000100303

The bat fauna (Mammalia: Chiroptera) of Carlos Botelho State Park, Atlantic Forest of Southeastern Brazil, including new distribution records for the state of São Paulo
Provedor de dados: 103
Autores: Cláudio,Vinícius C.; Barbosa,Gedimar P.; Rocha,Vlamir J.; Moratelli,Ricardo; Rassy,Fabrício B.
ABSTRACT Carlos Botelho State Park (PECB) is a large remnant of Atlantic Forest in Southeastern Brazil, with more than 37,000 ha. As its bat fauna is still unknown, we performed the first bat survey on PECB, to provide data on the distribution, natural history and taxonomy of the species. Fieldwork was conducted monthly, from October 2016 to September 2017. Captures were made using ground-level mist-nets (39600 m2.h), canopy mist-nets (2017.5 m2.h) and searches for roosts (42 hours).We captured 412 bats from 34 species of Phyllostomidae, Molossidae and Vespertilionidae. A total of 11 species were captured only in ground-level mist-nets, five in canopy mist-nets, and seven in roosts. Dermanura cinerea Gervais, 1856, Eptesicus taddeii Miranda, Bernardi &amp;...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Capture methods; Morphology; Survey; Taxonomy.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100315

Ecomorphology of Astyanax species in streams with different substrates
Provedor de dados: 103
Autores: Souza,Marcela A.; Fagundes,Daniela C.; Leal,Cecília G.; Pompeu,Paulo S.
In the present study, we assessed the ecomorphology of two species of Astyanax in streams with different substrates found in the Rio São Francisco Basin. The dominant substrate of each stream was defined as either "fine" (0 to 2 mm), "gravel" (2 to 250 mm), "rock" (&gt; 250 mm), or "leaf bank". We analyzed a total of 22 ecomorphological attributes of Astyanax intermedius Eigenmann, 1908 (127 individuals) and Astyanax rivularis (Lütken, 1875) (238 individuals) adults. We detected significant ecomorphological differences between the populations of A. rivularis and A. intermedius from habitats with different types of substrates. However, the two species did not show the same morphological differences depending on the type of substrate. These results confirmed...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Convergence; Divergence; Ecomorphological attributes; Freshwater fish; Habitat diversity; Intraspecific differences.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000100006

The black flies (Diptera: Simuliidae) from Santa Catarina, Brazil
Provedor de dados: 103
Autores: Coscarón,Sixto; Moreira,Gilson R. P; Py-Daniel,Victor; Sato,Gosuke; Nascimento,Érika S; Maia-Herzog,Marilza.
The Simuliidae fauna from the Santa Catarina state, Brazil, was documented, based primarily on specimens deposited in the collections of the Instituto Oswaldo Cruz, Brazil and the La Plata Museum, Argentina. The results of our survey are organized by mesoregion and by municipality. Of the 51 municipalities where black flies were recorded, 46 represented new unpublished locality records. A total of 29 species belonging to two genera and eight subgenera were found, among which five are new records for the Santa Catarina state. The species recorded are (new records are marked with a *): Lutzsimulium hirticosta, Simuliium (Chirostilbia) acarayense, S. (Chirostilbia) distinctum, S. (Chirostilbia) empascae, S. (Chirostilbia) pertinax, S. (Chirostilbia)...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Black flies; Lutzsimulium; Simulium; Biodiversity.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100005

Species richness and community composition of sphingid moths (Lepidoptera: Sphingidae) along an elevational gradient in southeast Peru
Provedor de dados: 103
Autores: Sublett,Clayton A.; Cook,Jerry L.; Janovec,John P.
ABSTRACT A clear low-elevation skewed unimodal richness pattern is presented for hawkmoths in Southeast Peru. Several hypotheses offer plausible explanations for such a distribution. The effects of water-energy dynamics are partially supported by a strong correlation between temperature and species richness at higher elevations. Further, hypotheses of plant diversity influences on hawkmoth ranges are supported by species richness peaking in transitional habitats. Sphingid subfamilies do not appear to be influenced by habitat type or elevational factors, such as temperature. This may make subfamily analysis a poor means of characterizing sphingid community composition unless study sites vary in the level of disturbance. This study documents 134 species in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Community structure; Elevation; Neotropical region.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100325

Population structure and reproductive biology of Uca rapax (Decapoda: Ocypodidae) in a tropical coastal lagoon, southeast Brazil
Provedor de dados: 103
Autores: Costa,Tarso; Soares-Gomes,Abilio.
A population of the fiddler crab Uca rapax (Smith, 1870) found in Itaipu Lagoon, southeast Brazil, was sampled monthly from July 2006 to June 2007 in order to study population and reproductive features. The sex ratio of the population was statistically different from the expected (1:1) in almost every month, with a predominance of males. The reproductive cycle and the recruitment of juveniles were continuous, with two peaks. The fecundity ranged from 1.110 to 13.189 eggs (4.984 ± 2.493.8), not differing statistically among seasons. In contrast, the relative fecundity (F') and the reproductive intensity index (RII) were highest in the summer. Female size at the onset of sexual maturity was estimated as 6.1 mm and egg diameter ranged from 0.20 to 0.28 mm....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fiddler crab; Fecundity; Reproduction; Sex ratio.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400009

Seasonal variation in the leaf-litter frog community (Amphibia: Anura) from an Atlantic Forest Area in the Salto Morato Natural Reserve, southern Brazil
Provedor de dados: 103
Autores: Santos-Pereira,Manuela; Candaten,Adriane; Milani,Douglas; Oliveira,Frederico B.; Gardelin,Joana; Rocha,Carlos F. D. da.
In this study we provide the first data regarding community parameters of leaf-litter anurans inhabiting a forest floor in the state of Paraná, southern Brazil, including information on community species richness, composition, specific density and biomass. Our study was conducted at Salto Morato Natural Reserve using forty plots of 4 x 4 m for each one of the four seasons (winter, spring, summer and autumn), totaling 2.560 m² of forest floor sampled. We sampled a total of 96 frogs inhabiting the forest floor, belonging to seven species: Brachycephalus hermogenesi (Giaretta &amp;amp; Sawaya, 1998), Ischnocnema guentheri (Steindachner, 1864), Haddadus binotatus (Spix, 1824), Leptodactylus gr. marmoratus, Physalaemus spiniger (Miranda-Ribeiro, 1926),...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Rainforest; Density; Richness; Seasonality.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600008

Living in a caatinga-rocky field transitional habitat: ecological aspects of the whiptail lizard Cnemidophorus ocellifer (Teiidae) in northeastern Brazil
Provedor de dados: 103
Autores: Menezes,Vanderlaine A; Sluys,Monique Van; Fontes,Angélica F; Rocha,Carlos F. D.
The ecology of the active forager lizard Cnemidophorus ocellifer (Spix, 1825) was studied to analyze food habits, thermal ecology and habitat use, in the Morro do Chapéu municipality (11º29'S, 41º07'W), state of Bahia, Brazil. Lizards (N = 34) were collected with rubber bands or with an air rifle and, for each individual, we recorded cloacal temperature (Tc), air temperature (Ta) (1 cm above the substrate) and substrate temperature (Ts) (to nearest 0.2ºC). We registered the microhabitat used by each animal at the moment of first sight and measured its morphological variables (nearest 0.1 mm). In the laboratory, we registered the number of items of each prey category to the taxonomic level of Order, its dimensions and frequencies. Data showed that,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bahia; Cnemidophorus; Diet; Microhabitat; Thermal ecology.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100002

Survival of Ucides cordatus (Decapoda: Ocypodidae) megalopae during transport under different conditions of density and duration
Provedor de dados: 103
Autores: Ventura,Robson; Silva,Ubiratã A. T. da; Ostrensky,Antonio; Cottens,Kelly; Perbiche-Neves,Gilmar.
Target areas for Ucides cordatus (Linnaeus, 1763) restocking programs are often located far from the laboratory where larval rearing is developed. During translocation, the larvae are submitted to highly stressful conditions due to handling, packing, and transport activities. The aim of the present study was to assess the mortality rates of U. cordatus megalopae caused by different transportation procedures. Megalopae at loading densities of 50, 150, and 300 ind.L-1 were packed in double polyethylene 12 x 25 cm plastic bags with 200 ml of marine water at salinity 30. The bags were filled with oxygen at a proportion of 1:2 parts of water and sealed tightly. The trepidations during transport were simulated by the use of a shaker device (800...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cannibalism; Larvae; Mangrove crab; Stress; Transport.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600001

South American leafhoppers of the tribe Typhlocybini (Hemiptera: Cicadellidae: Typhlocybinae)
Provedor de dados: 103
Autores: Dietrich,Christopher H.
The fauna of Typhlocybini (sensu stricto, excluding Empoascini) endemic to South America is reviewed and comprises seven closely related genera, five described herein as new, and 55 species, 52 here described as new. The genera and species are described and keys and illustrations are provided to aid in their identification. Columbonirvana Linnavuori comprises 17 species, 16 new. Eualebra Baker comprises 19 species, 17 new. Euzyginella gen. nov., comprises four new species. Neozyginella gen. nov., comprises six new species. Pseudhadina gen. nov., comprises one new species. Pseudozyginella gen. nov., comprises three new species. Tahurella gen. nov., comprises five new species. One new synonym is recognized: Eualebra smithii Baker, 1899 equals Dikraneura...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Distribution; Homoptera; Morphology; Neotropical; Taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000500008

Phenology of Promestosoma boggianii (Diplopoda: Polydesmida: Paradoxosomatidae) in a Neotropical floodplain
Provedor de dados: 103
Autores: Santos-Silva,Lorhaine; Pinheiro,Tamaris G.; Marques,Marinêz I.; Battirola,Leandro D.
ABSTRACT Studies that address biodiversity and its supporting mechanisms in different ecosystems are fundamental to understanding the relationships between species and the prevailing environmental conditions within each habitat type. This study presents information on the phenology of Promestosoma boggianii (Silvestri, 1898) and its association with seasonal flood and dry events in a floodplain of Mato Grosso’s northern Pantanal region, Brazil. Sampling was carried out in three areas located between the Bento Gomes and Cuiabá rivers, on the Porto Cercado Road, Poconé-MT. Each sample area was composed of two treatments: (I) floodable habitats and (NI) non-floodable habitats. Three quadrats (10 x 10 m) were established within each treatment, with sampling...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Conservation; Myriapoda; Wetlands.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100321

The sea anemone Bunodactis octoradiata (Anthozoa: Actiniaria) from southern Patagonia: morphological study and new records
Provedor de dados: 103
Autores: Garese,Agustín; Longo,María V.; Martin,Juan P.; Acuña,Fabián H.
Bunodactis Verril, 1899 comprises at present 19 nominal species of sea anemones. The validity of the genus is under discussion. The description of the species, Bunodactis octoradiata Carlgren, 1899, is insufficient for reliable identification, and although subsequent works have provided additional information on the species, its description still needs to be complemented. Herein we describe B. octoradiata based on histological sections of the internal anatomy, and give a complete and detailed description of the external anatomy. The cnidom is composed of spirocysts, basitrichs and microbasic p-mastigophores; their distribution in the organism, sizes and relative abundances are provided. The presence of zooxanthellae is reported for the first time....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Actiniidae; Cnidom; Spatial distribution; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500007

Character variation and taxonomy of short-tailed fruit bats from Carollia in Brazil
Provedor de dados: 103
Autores: Lemos,Túlio Henrique; Tavares,Valéria da Cunha; Moras,Ligiane Martins.
ABSTRACT Carollia has a complex taxonomic history and is widely distributed in the Neotropics. Species of Carollia appear to have differentiated recently in the late Cenozoic, and present overlapping morphological characters that may not be useful to distinguish among species. Carollia has recently been revised, but only a few specimens representing the Brazilian distribution of Carollia within Brazil were studied. We reviewed specimens of Carollia distributed in several localities of Brazil revisiting previously described morphological characters for species identification, and taxonomic problems within the genus. We found a large degree of overlap between characters previously used to distinguish among species of Carollia, and some of them constitute...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carollia morphology; Phyllostomidae.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100301

Selective consumption of rodents by the Variable hawk Geranoaetus polyosoma (Accipitriformes: Accipitridae) in the Atacama Desert, northern Chile
Provedor de dados: 103
Autores: Muñoz-Pedreros,Andrés; Norambuena,Heraldo V.; Gil,Claudia; Rau,Jaime.
ABSTRACT Geranoaetus polyosoma (Quoy &amp; Gaimard, 1824) is a diurnal raptor widely distributed in South America. Although the trophic ecology of this bird has been more studied in the southern extreme of its range, little information is available on its dietary response to prey supply in desert environments. In the present study, we report on the trophic ecology of G. polyosoma in a sub-urban desert zone in northern Chile, with the following objectives: (1) to quantitatively describe its diet and (2) to determine its dietary selectivity in response to prey supply in the study area. The diet of G. polyosoma consisted mainly of rodents (97.2%). A greater preference (p &lt; 0.05) was observed for the following large prey items (&gt; 19.5 g): two native...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Predation; Red-backed hawk; Trophic ecology.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100330

Preventing injuries caused by radiotelemetry collars in reintroduced red-rumped agoutis, Dasyprocta leporina (Rodentia: Dasyproctidae), in Atlantic Forest, southeastern Brazil
Provedor de dados: 103
Autores: Cid,Bruno; Costa,Rodrigo de C. da; Balthazar,Daniel de A.; Augusto,Anderson M.; Pires,Alexandra S.; Fernandez,Fernando A. S.
Reintroduction has been recognized as a powerful conservation tool, but in order to ensure its success, animal monitoring is highly recommended. One way to monitor released animals is to put radiotelemetry collars on them. These devices, however, can harm the subjects, causing serious wounds. Our objectives in this work were to describe the injuries caused by a radiotelemetry collar model on reintroduced agoutis and to propose modifications to it. We equipped agoutis with TXE-311C radio collars (Telenax Wildlife Telemetry) before releasing them in the wild. They acquired serious wounds and one animal died. We then modified the collar structure to reduce its width and retention of water. After these modifications, the injuries did not occur again. As...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Animal welfare; Marking effects; Radiocollars; Rainforest; Rodents; Telemetry.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100015

Intersexuality in the porcellanid crab Pisidia longicornis (Crustacea: Decapoda: Anomura: Porcellanidae)
Provedor de dados: 103
Autores: Ferreira,Luciane Augusto de Azevedo.
Intersex specimens of Pisidia longicornis (Linnaeus, 1767) are recorded for the first time and their secondary sexual characters are analyzed. Of 145 specimens of P. longicornis examined in this study, six were identified as intersex individuals. Of these, three presented male secondary sexual characters, well-developed male gonopores and rudimentary female gonopores, whereas the other three had female secondary sexual characters, with female gonopores being more pronounced than the male ones. The present study provides the first record of intersex porcelain crabs.
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Malacostraca; Porcelain crabs; Sexual characters; Reproductive biology.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000200176

Angelo Pires do Prado (01.II.1942 - 25.VIII.2013)
Provedor de dados: 103
Autores: Papavero,Nelson.
Tipo: Info:eu-repo/semantics/article
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000500012

Neotropical Pentatomidae (Insecta: Hemiptera: Heteroptera) of the collection of Massimiliano Spinola preserved in the "Museo Regionale de Scienze Naturali", Turin, Italy
Provedor de dados: 103
Autores: Grazia,Jocélia; Campos,Luiz A.
One hundred and forty specimens of Neotropical pentatomids of the Spinola collection were examined and identified and are listed in the present work. Lectotypes are designated for Arvelius gladiator Spinola, 1837; Arvelius laciniatus Spinola, 1837; Audinetella bipunctata Spinola, 1850; Ochlerus cinctus Spinola, 1837; Pentatoma albocostatum Spinola, 1852; Pentatoma dimidiaticollis (Spinola, 1852); Pentatoma unidentatum Spinola, 1852; Schaefferella litigiosa Spinola, 1850, Sympiezorhincus tristis Spinola, 1837; and Thoreyella brasiliensis Spinola, 1850. A lectotype is also designated for Chlorocoris tau, putting aside the previous Neotype designation. The preservation status of each specimen is provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Lectotype; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300014

Revision of the Neotropical Laelius (Hymenoptera: Bethylidae) with notes on some Nearctic species
Provedor de dados: 103
Autores: Barbosa,Diego N.; Azevedo,Celso O.
Laelius Ashmead includes 54 known nominal species worldwide. We present a revision of the Neotropical species of Laelius and provide keys for the identification of males and females of these species. We propose fourteen nomenclatural changes and additions. For the Neotropics, seven new species from Brazil are described and illustrated: Laelius arryni sp. nov. which has clypeus bearing median lobe with apical margin straight; propodeal disc with inner discal carina complete; aedeagus with apical lobes touching each other and inner margin with hook-shaped process, L. baratheoni sp. nov. which has propodeal disc with second pair of discal carinae incomplete; genitalia with paramere wing-shaped; with long setae around the margin and cuspis wide, L. lannisteri...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Epyrinae; Key; Neotropical region; New species; Type revision.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000300012

Snake assemblages of Marajó Island, Pará state, Brazil
Provedor de dados: 103
Autores: Rodrigues,Gerson Moreira; Maschio,Gleomar Fabiano; Prudente,Ana Lúcia da Costa.
ABSTRACT We describe the diversity, natural history and structure of snake assemblages from Marajó Island, state of Pará, Brazil, after analyzing 439 specimens deposited in herpetological collections. We tested the hypothesis that snake assemblages from forest and open areas of Marajó Island are distinct with regard to their structure, composition and functional groups. To compare the snake composition of the forest and open areas of Marajó with other comparable assemblages in Brazil, Principal Coordinate Analysis and Clustering tests were performed. A total of 61 species of snakes was recorded for Marajó, with ten species cited for the first time for the study area (Atractus natans Hoogmoed &amp; Prudente, 2003, A. schach (Boie, 1827), Dendrophidion...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon; Assemblage; Functional groups; Herpetofauna.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000100700

Morphological changes of gonad and gene expression patterns during desexualization in Dugesia japonica (Platyhelminthes: Dugesiidae)
Provedor de dados: 103
Autores: Dong,Zimei; Shi,Changying; Chu,Gengbo; Dong,Yanping; Chen,Guangwen; Liu,Dezeng.
ABSTRACT Planarians, the representatives of an ancient bilaterian group with complex reproductive system and high regenerative capabilities, are model system suitable for studying the basic molecular requirements for the development of the reproductive system. To further explore the morphological changes of the gonads during desexualization and the molecular events of the genes controlling the reproductive system development in planarians, we have investigated the histological changes of ovary and testis by paraffin section and the expression patterns of reproductive-related genes by the quantitative real-time PCR in Dugesia japonica Ichikawa &amp; Kawakatsu, 1964, upon starvation. The four genes, Djprps, DjvlgA, DjvlgB and Djnos, have been selected. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Planarian; Food deprivation; Germ cells; Reproductive system.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100335

Reproductive parameters of the Chestnut-capped Blackbird, Chrysomus ruficapilus (Passeriformes: Icteridae), in a natural wetland from southeastern Brazil
Provedor de dados: 103
Autores: Costa,Mariellen C.; Medolago,César A.B.; Murcia,Amanda; Francisco,Mercival R.
ABSTRACT The Chestnut-capped Blackbird, Chrysomus ruficapilus (Vieillot, 1819), is a common bird species in flooded areas of South America. Data on its reproductive parameters have been reported mainly for rice paddies from Uruguay and southern Brazil, where reproductive phenology might have been influenced by the chronology of agricultural activities. Here we provide reproductive data for a population in a natural marshland from São Paulo state, southeastern Brazil. A total of 45 active nests were monitored between December 2017 and April 2018. Clutch size was 2.8 ± 0.44. Incubation and nestling periods were respectively 11.8 ± 0.39, and 12.3 ± 0.75 days, and overall nesting success was 65%. The reproductive season lasted about five months, which is...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Breeding behavior; Icteridae; Marshland; Nest survival.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100304

Genotoxic effects of the diesel water-soluble fraction on the seahorse Hippocampus reidi (Teleostei: Syngnathidae) during acute exposure
Provedor de dados: 103
Autores: Santos,Celina Alcoforado; Novaes,Larissa Simões; Gomes,Levy Carvalho.
The high toxicity of diesel components makes oil spills a threat to the biota in coastal marine environments. The genotoxic effect of the diesel water-soluble fraction (DWSF) on Hippocampus reidi (Ginsburg, 1933) was assessed. Fish were exposed to three different DWSF dilutions for up to 96 hours, and genotoxicity was analyzed using the micronuclei test and the comet assay. The micronuclei test revealed no significant differences between any of the DWSF dilutions and the control in the 24-hours period; however, micronuclei increased in fish exposed to 1:500 and 1:100 DWSF dilutions for 96 hours. For all dilutions, there was an increase in micronuclei in fish exposed for 96 hours when compared to those exposed for 24 hours. The tested dilutions increased...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Comet assay; Diesel; Marine fish; Micronuclei; Toxicity.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600017

Small mammal community structure and microhabitat use in the austral boundary of the Atlantic Forest, Brazil
Provedor de dados: 103
Autores: Lima,Daniela O. de; Azambuja,Bethânia O.; Camilotti,Vagner L.; Cáceres,Nilton C.
We investigated the richness, composition, and species relative abundance of a terrestrial small mammal community in a Deciduous Forest area in the austral boundary of the Atlantic Forest. The microhabitat use of the most common species was also investigated. Six rodents - Akodon montensis (Thomas, 1913), Oligoryzomys nigripes (Olfers, 1818), Sooretamys angouya (Thomas, 1913), Thaptomys nigrita (Lichtenstein, 1829), Mus musculus (Linnaeus, 1758) and Juliomys sp. - and one marsupial - Didelphis albiventris (Lund, 1840) - were captured. Thaptomys nigrita is recorded in the state of Rio Grande do Sul for the first time. Species richness was poor when compared with communities in the central portions of the Atlantic Forest, but equivalent to that found in the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Akodon montensis; Decidual Forest; Oligoryzomys nigripes; Sooretamys angouya.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100015

Taxonomic revision of Parasarus (Hymenoptera: Apidae s.l.: Protandrenini), a South American genus of bees
Provedor de dados: 103
Autores: Ramos,Kelli dos Santos.
Parasarus Ruz, 1993 comprises small black bees (3-5 mm long) endemic to xeric regions of South America, mainly along of the Andean Cordillera. Prior to this study, the genus included only the type-species P. atacamensis Ruz, 1993 (from northern Chile) which has mesoscutum strongly reticulated and inner hind tibial spur curved apically. In this paper, a taxonomic revision of Parasarus is presented and two new species are described: P. specularis sp. nov. (from central to northwest Argentina) diagnosed mainly by pygidial plate of female extremely acute apically and labral plate yellow in male; and P. spiniventris sp. nov. (only recorded from central portion of Chile) diagnosed by antennal socket below middle of face, subantennal area as long as broad,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Andreninae; Apoidea; New species; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500011

Changes in trophic characteristics of two fish species of Astyanax (Teleostei: Characidae) in response to aquatic pollution
Provedor de dados: 103
Autores: Alonso,Mirella B.; Carvalho,Débora R. de; Alves,Carlos B. M.; Moreira,Marcelo Z.; Pompeu,Paulo S.
ABSTRACT The trophic plasticity of most fish species of Astyanax Baird &amp; Girard, 1854 in response to environmental changes and resource availability is high. This work evaluates the differences in the trophic characteristics of two congeneric species, Astyanax taeniatus (Jenyns, 1842) and Astyanax lacustris (Lütken, 1875), in Rio das Velhas Basin, which is highly impacted by the discharge of sewage from the Metropolitan Region of Belo Horizonte (MRBH). Eight sites were sampled and grouped into three regions: upper course (two sites upstream of the MRBH); middle course (three sites located in the middle portion of the Rio das Velhas, region with greater influence of the MRBH), and lower course (three sites downstream of the MRBH). Samples of fish and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Astyanax lacustris; Astyanax taeniatus carbon; Nitrogen enrichment; Stable isotopes; Stomach contents.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100318

Bryde's whale (Cetartiodactyla: Balaenopteridae) occurrence and movements in coastal areas of southeastern Brazil
Provedor de dados: 103
Autores: Lodi,Liliane; Tardin,Rodrigo H.; Hetzel,Bia; Maciel,Israel S.; Figueiredo,Luciana D.; Simão,Sheila M.
Bryde's whales, Balaenoptera edeni Anderson, 1879, were observed on 17 occasions (N = 21 surveys) in the coastal waters off Rio de Janeiro in southeastern Brazil during austral summer through autumn 2014. Five whales were individually identified using photo-identification techniques. The mean interval between resightings for all individuals was 12.8 days, with a minimum of one day and a maximum of 48 days. The comparison between the catalogs of Bryde's whales off Rio de Janeiro and the Cabo Frio region revealed matches for three individuals. The resightings show movements of up to 149.6 km along the coastal waters off the state of Rio de Janeiro. Most of the observations consisted of solitary individuals (82.3% of sightings). Feeding was the predominant...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Balaenoptera edeni; Displacements; Individual identification; Surface activities.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000200171

Habitat use and seasonal activity of insectivorous bats (Mammalia: Chiroptera) in the grasslands of southern Brazil
Provedor de dados: 103
Autores: Barros,Marília A. S.; Pessoa,Daniel M. A.; Rui,Ana Maria.
In temperate zones, insectivorous bats use some types of habitat more frequently than others, and are more active in the warmest periods of the year. We assessed the spatial and seasonal activity patterns of bats in open areas of the southernmost region of Brazil. We tested the hypothesis that bat activity differs among habitat types, among seasons, and is influenced by weather variables. We monitored four 1,500-m transects monthly, from April 2009 to March 2010. Transects corresponded to the five habitat types that predominate in the region. In each sampling session, we detected and counted bat passes with an ultrasound detector (Pettersson D230) and measured climatic variables at the transects. We recorded 1,183 bat passes, and observed the highest...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acoustic monitoring; Activity patterns; Molossidae; South American Pampas; Vespertilionidae.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000200006

Water acidification causes death of marine ornamental fish (Perciformes: Pomacentridae) during transport: contributing to the conservation of wild populations
Provedor de dados: 103
Autores: Sampaio,Flavia D.F.; Silva-de-Assis,Helena C.; Bettim,Franciele L.; Fávaro,Luís F.; Freire,Carolina A.
ABSTRACT Pomacentridae is a common family in the aquarium fish trade. Most species are harvested from nature. Here we evaluate the following water parameters in the pomacentrid sergeant major, Abudefduf saxatilis (Linnaeus, 1758), to assess their stress level during a 24, 48, and 72 hours transport: dissolved oxygen (DO), total ammonia, and pH. In addition, we evaluated the following physiological parameters: plasma osmolality, muscle water content, blood glucose, and the enzyme activities of the branchial carbonic anhydrase (CA), the hepatic glutathione S-transferase (GST), catalase (CAT), and superoxide dismutase (SOD). The mortality of fish measuring &gt;6 cm total length was 22%, while no mortality was observed for fish measuring &lt;6 cm. The pH of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ammonia; Aquarium trade; Carbon dioxide; Fish conservation; PH.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100306

Efficacy of clove oil as anesthetic in handling and transportation of Nile tilapia, Oreochromis niloticus (Actinopterygii: Cichlidae) juveniles
Provedor de dados: 103
Autores: Simões,Larissa N.; Lombardi,Danielle C.; Gomide,Andrea T. M.; Gomes,Levy C.
This work evaluated the efficiency of clove oil as anaesthetic in handling and transportation of Nile tilapia, Oreochromis niloticus (Linnaeus, 1758). In the first experiment, safety concentrations of clove oil were assessed by measuring induction times to anaesthesia. The second experiment evaluated exposure times to anaesthetic. Clove oil efficiency during transportation was evaluated in a 24 h experiment using three concentrations of the anaesthetic (0, 9, and 18 mg.L-1). The most appropriate clove oil concentration to induce surgical anaesthesia was 90 mg.L-1. To biometry or other brief handling, the recommended concentration is 50-60 mg.L-1 as it provides fast recovery. Maximum anaesthesia time should be 10 min. The mortality rate of fish transported...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Eugenol; Net ion flux; Stress; Tropical fish.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300001

Influence of rainfall and temperature on the spermatogenesis of Leptodactylus macrosternum (Anura: Leptodactylidae)
Provedor de dados: 103
Autores: Chaves,Marcio F.; Moura,Geraldo J.B. de; Tenório,Fernanda das C.M.A.; Baptista,Josemberg da S.; Lapa Neto,Clovis J.C.; Texeira,Valeria W.; Texeira,Álvaro A.C.
ABSTRACT In the semi-arid environment, the reproductive success of anurans depends on adaptations in their life cycle, which synchronizes with ideal environmental conditions to maximize the number of offspring. In this study changes in the histological and morphometric aspects of the testes of Leptodactylus macrosternum Miranda-Ribeiro, 1926 are characterized, to evaluate the influence of rainfall and temperature on them. Specimens were collected at Horto Florestal Olho d’Água da Bica - HFOB (06°49’20”S, 36°15’85”W) area, municipality of Cuité, state of Paraíba, Brazil. Search for specimens was active, happened at night, and amounted to 15 days from January to December 2013. The densities of spermatids (primary and secondary), sperm and area of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anuran; Semi-arid; Spermatids; Spermatozoa.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100329

New combination and redescription of Bumba humile , description of four new species and new records from Brazil (Araneae: Theraphosidae: Theraphosinae)
Provedor de dados: 103
Autores: Lucas,Sylvia M.; Passanha,Victor; Brescovit,Antonio D.
ABSTRACT The taxonomic history of Bumba Pérez-Miles, Bonaldo &amp; Miglio, 2014 is mainly based on the inclusion of the new species. Bumba have been characterized by the type IV urticating setae present, retrolateral process on male palpal tibia, palpal bulb resting in a ventral distal excavation of palpal tibia, metatarsus I passes between the two branches of tibial apophysis when flexed, presence of spiniform setae on prolateral and retrolateral sides of maxillae and coxae I-IV. In this paper we include the row of teeth (denticulate row) in the median region of the inferior prolateral keel in all male palps. This structure range from a residual tooth to a ridge of up to five teeth. Both, the denticulate row and the retrolateral process on male palpal...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazilian cerrado; Cyclosternum; Mygalomorph spiders; Taxonomy.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100311

External morphology of Cotesia flavipes (Hymenoptera: Braconidae) during larval development
Provedor de dados: 103
Autores: Pinheiro,Daniela O.; Rossi,Guilherme D.; Cônsoli,Fernando L.
Cotesia flavipes (Cameron, 1891) (Hymenoptera) is a gregarious endoparasitoid used in applied biological control against Diatraea saccharalis (Fabricius, 1794) (Lepidoptera). In this study, we characterize the larval external morphology and the number of instars of C. flavipes. Parasitized larvae of D. saccharalis were sampled from the 1st to the 10th day after parasitism and dissected in an anticoagulant buffer for collection of C. flavipes immatures. Immatures were processed for scanning electron microscopy. Larvae of C. flavipes were prepared in NaOH solution and slide mounted to allow for mandible size measurements. Analysis of measurements of the parasitoid larval mandible size indicated that C. flavipes has three instars. Newly hatched larvae are...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anal vesicle; Biological control; Functional morphology; Ultrastructure.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600022

Description of a new species of Wolfniana and new records of Rotigonalia (Hemiptera: Cicadellidae: Cicadellinae) from the state of Amazonas, Brazil
Provedor de dados: 103
Autores: Cavichioli,Rodney Ramiro; Takiya,Daniela Maeda.
Wolfniana viridis sp. nov. is described and illustrated based on specimens collected in the municipality of Ipixuna (along Liberdade and Gregório rivers), state of Amazonas, Brazil. The new species can be distinguished from the type-species, W. limbatula (Osborn, 1926), by the color pattern which lacks conspicuous orange markings on head, pronotum, and forewing commissure; and aedeagal shaft with apex broadly expanded. Based on specimens of Rotigonalia concedula Melichar, 1926 and R. curvula Cavichioli, 2000, collected along with W. viridis, Rotigonalia Young, 1977 is firstly recorded from the state of Amazonas and R. concedula is firstly recorded from Brazil.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Cicadellini; Distribution; New record; New species.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100011

Reproductive behavior of the Red-crested Finch Coryphospingus cucullatus (Aves: Thraupidae) in southeastern Brazil
Provedor de dados: 103
Autores: Zima,Paulo V.Q.; Francisco,Mercival R.
ABSTRACT Several behavioral aspects of the Red-crested Finch Coryphospingus cucullatus (Statius Müller, 1776) are poorly studied. Here we provide reproductive information on 16 active nests. This information may be valuable to elucidate the phylogenetic relationships of this bird, and to design plans to manage it. Nesting activities occurred from October to February. Clutches consisted of two to three eggs (2.06 ± 0.25), which were laid on consecutive days. Incubation usually started the morning the females laid their last egg and lasted 11.27 ± 0.47 days. Hatching was synchronous, or happened at a one-day interval. The nestling stage lasted 12 ± 0.89 days. Only females incubated the eggs and they fed the young more often than the males did. Overall...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Birds; Breeding biology; Nesting; Tachyphoninae.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000400300

Guiana dolphins, Sotalia guianensis (Cetacea: Delphinidae), in the Paranaguá Estuarine Complex: insights on the use of area based on the photo-identification technique
Provedor de dados: 103
Autores: Santos,Marcos C. de O.; Oshima,Júlia E. de F.; Pacífico,Eduardo dos S.; Silva,Ednilson da.
The aim of the present study was to provide a preliminary description of habitat use by Guiana dolphins, Sotalia guianensis (Van Bénéden, 1864) in the Paranaguá Estuarine Complex (PEC), state of Paraná, Brazil. Approximately 124 km² were surveyed by small boat from April 2006 to July 2008 in the following subsets of the PEC: Canal do Superagui (~28 km²); Pinheiros Bay (~34 km²); part of Laranjeiras Bay, which included the Guaraqueçaba sub-estuary (~38 km²); and part of the Mixture Section of the PEC (~24 km²). Our efforts were unevenly distributed in the study area. During 55 survey days covering seven distinct seasons, we spent 165 hours observing 323 groups of S. guianensis. Group size varied from two individuals to aggregations as large as approximately...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Habitat use; Site fidelity; Cetaceans; Ecology.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300002

A new karyotype of Wiedomys pyrrhorhinus (Rodentia: Sigmodontinae) from Chapada Diamantina, northeastern Brazil
Provedor de dados: 103
Autores: Souza,Ana L. G; Corrêa,Margaret M. de O; Aguilar,Cecília T. de; Pessôa,Leila M.
A new karyotype of Wiedomys pyrrhorhinus (Wied, 1821) is described, including G- and C-banding and Ag-NOR sites from specimens collected in the municipality of Morro do Chapéu, situated in the northern region of the Chapada Diamantina, state of Bahia. Karyological studies of W. pyrrhorhinus have shown a constant diploid number (2n) of 62 with two different numbers of autosomal arms (FNa): 86 and 90, respectively. The new karyotype revealed 2n = 62 and FNa = 104, being the higher autosomal number found so far for this genus. The X chromosome is a large acrocentric and the Y chromosome is a small acrocentric. The analysis of the karyotype morphology suggests that this new karyotype is more closely related to the previous karyotype with 2n = 62 and FNa = 90,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ag-NOR sites; Caatinga; C-banding; G-banding; Red- nosed mouse.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100013

Reproductive biology of the coypu, Myocastor coypus (Rodentia: Myocastoridae) in western Japan
Provedor de dados: 103
Autores: Runami,Iori; Gunji,Yousuke; Hishinuma,Mitsugu; Nagano,Masashi; Takada,Tatsuyuki; Higaki,Shogo.
We describe the reproductive biology of the coypu, Myocastor coypus (Molina, 1782), in western Japan, as an attempt to contribute to an efficient population control program of the coypu population. A total of 212 specimens (113 males and 99 females) were collected in the Tottori prefecture from February 2010 to January 2012. From the age estimation based on body weight and molar eruption pattern, we determined that both males and females reach sexual maturity at 4-6 months of age. Of the 72 mature females examined, 60 (83.3%) were pregnant, with a mean litter size of 6.5 ± 2.4 (mean ± SE). The onset of sexual maturity in the western Japanese population was relatively earlier when compared with indigenous and other introduced populations. Furthermore, the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Litter size; Pregnancy rate; Sexual maturity.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200002

Intraspecific variation in preserved specimens of the fiddler crabs Uca panacea and Uca pugilator (Decapoda: Ocypodidae)
Provedor de dados: 103
Autores: Bezerra,Luis E. A.; Coelho,Petrônio A.
The fiddler crabs Uca panacea Novak &amp;amp; Salmon, 1974 and Uca pugilator (Bosc, 1802) are closely related North American species that are sympatric along the north coast of Gulf of Mexico. Since U. panacea was described, there has been confusion in the identification these two species. Morphological differences between these two fiddlers have been pointed out in recent years, mainly regarding the presence of a pigment spot and granulations on the dorsal margin of carapace in U. pugilator. We report herein some intraspecific differences between the two species that we believe to be useful in avoiding misidentification among preserved specimens of these two fiddler crabs, such as the absence of the pigment spot in U. pugilator and the presence of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Distinctness; Gulf of Mexico; Morphological characteristics; SEM analysis.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100024

Influence of vegetation physiognomy, elevation and fire frequency on medium and large mammals in two protected areas of the Espinhaço Range
Provedor de dados: 103
Autores: Pinho,Fernando Ferreira de; Ferreira,Guilherme Braga; Paglia,Adriano Pereira.
ABSTRACT The objectives of this study were to determine the richness of medium and large mammal species in two protected areas of the Espinhaço Mountain Range, state of Minas Gerais, Brazil; and to investigate the factors affecting the occurrence of those species. To accomplish that we placed 49 camera traps activated by heat and motion at Rio Preto State Park (RPSP) and 48 at Sempre Vivas National Park (SVNP). We also collected data on three environmental variables: vegetation physiognomy, elevation and wildfire frequency, to evaluate the influence of these factors on species richness and use intensity (inferred from camera trap detection rate) by large mammals. We recorded 23 large mammal species in the two parks combined. The lowest species richness was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cerrado; Campo rupestre; Species richness; Use of habitat; Wildfire.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100300

Construction of arboreal nests by brown-nosed coatis, Nasua nasua (Carnivora: Procyonidae) in the Brazilian Pantanal
Provedor de dados: 103
Autores: Olifiers,Natalie; Bianchi,Rita de C.; Mourão,Guilherme de M.; Gompper,Matthew E.
The construction of arboreal nests is rare among mammals in the order Carnivora. However, coatis (Procyonidae: Nasua Storr, 1780) build arboreal nests that are used for resting or birthing. Here we describe Nasua nasua (Linnaeus, 1766) nests located during a telemetry study of coatis in the Brazilian Pantanal. Coati nests were all "bird-like", that is, open nests having a semispherical shape. Nests were constructed of twigs, branches, and lianas sometimes interlaced with leaves. Nest volume was 30-50 cm³ and average nest height was approximately 9.5 m. Nests were found in open "cerrado" vegetation, along forest edges, or in interior "cordilheiras" forest. The reasons why coatis build such nests are unclear, but may relate to inter or intraspecific...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Mammals; Ecology; Neotropical.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300023

Culicidae (Diptera: Culicomorpha) from the central Brazilian Amazon: Nhamundá and Abacaxis Rivers
Provedor de dados: 103
Autores: Hutchings,Rosa Sá Gomes; Honegger,Roger William Hutchings; Sallum,Maria Anice Mureb.
Mosquito fauna (Culicidae) from remote areas along the geographical limits of the State of Amazonas were assessed by employing CDC, Shannon, Malaise and Suspended traps, together with net sweeping and immature collections. Two hundred and six collections were performed in seven localities along the Nhamundá and Abacaxis Rivers, State of Amazonas, Brazil, during May and June 2008. The northernmost locality was 120 km from Nhamundá, whereas the southernmost locality was 150 km from the mouth of the Abacaxis River. The 5,290 mosquitoes collected are distributed in 16 genera, representing 109 different species, of which eight are new distributional records for the State of Amazonas. Furthermore, there are nine morphospecies which may represent undescribed new...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazonia; Distribution; Mosquitoes.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100001

Influence of artificial lights on the orientation of hatchlings of Eretmochelys imbricata in Pernambuco, Brazil
Provedor de dados: 103
Autores: Simões,Thyara Noely; Silva,Arley Candido da; Moura,Carina Carneiro de Melo.
ABSTRACT Sea turtle hatchlings, in natural abiotic conditions, emerge from their nests at night and go directly to the sea, following the moonlight’s reflection in the ocean. Increased human activities such as tourism and artificial lights on the coasts, however, have interfered with the ability of sea turtle neonates to find their correct destination, negatively affecting their survival rates. Here we endeavored to assess the influence of artificial lights on the hatchlings of the sea turtle Eretmochelys imbricata (Linnaeus, 1766) in the south coast of the state of Pernambuco, Brazil. To that end, 10 experiments were conducted with 15 hatchlings/test subjects. Five experiments took place in artificially illuminated areas and five in non-illuminated areas....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anthropogenic impacts; Cheloniidae; Conservation; Hawksbill turtle; Light pollution.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100308

The rate of visitation by Amazilia fimbriata (Apodiformes: Trochilidae) influences seed production in Tillandsia stricta (Bromeliaceae)
Provedor de dados: 103
Autores: Missagia,Caio C.C.; Alves,Maria Alice S.
Legitimate flowers visitors pollinate the flower during the visit and thus influence the production of fruits and seeds. We tested whether the visitation rate of potential pollinators is associated with the amount of seeds per fruit produced by the self-compatible bromeliad Tillandsia stricta (Bromeliaceae). We determined whether hummingbirds are legitimate visitors by testing for a correlation between visits and pollination (seed production) at the Guapiaçú Ecological Reserve (Reserva Ecológica de Guapiaçú), state of Rio de Janeiro. We tested 30 flowers, five of which were also monitored to test the possibility of spontaneous self-pollination. The remaining 25 flowers were exposed to floral visitors. Twenty-two flowers formed fruits and seeds, from which...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Atlantic forest; Hummingbird; Pollination; Self-compatibility.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000300260

On the identification of two Brazilian leafhoppers: redescription of Scoposcartula frontaliana comb. nov. and description of the female of S. talitae (Hemiptera: Cicadellidae: Cicadellini)
Provedor de dados: 103
Autores: Mejdalani,Gabriel; Carvalho,Rachel Alexandre.
This paper deals with two species of Scoposcartula Young, 1977 that are very similar to each other externally (form and color pattern): S. frontaliana (Metcalf, 1955) comb. nov. (from the state of Bahia, NE. Brazil) and S. talitae Leal, Mejdalani &amp;amp; Cavichioli, 2005 (from the state of Espírito Santo, SE. Brazil). The former species, previously positioned in Amblyscarta Stål, 1869, is redescribed and a male specimen is selected as the lectotype. The previously unknown female of the latter species is described for the first time. Scoposcartula frontaliana can be distinguished from S. talitae by features of the male and female genitalia. The most remarkable difference is in the male pygofer, which has a conspicuously concave posterior margin in S....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Brazil; Female genitalia; Lectotype; Male genitalia; Morphology; Sharpshooter.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500010

Data on biology and exploitation of West Atlantic sperm whales, Physeter macrocephalus (Cetacea: Physeteridae) off the coast of Paraíba, Brazil
Provedor de dados: 103
Autores: Toledo,Gustavo; Langguth,Alfredo.
This study analyzes data on the biology of sperm whales, Physeter macrocephalus Linnaeus, 1758, obtained between 1965 and 1980 by the COPESBRA at the Costinha Whaling Station, Paraíba, Brazil. The data come from the log books of the whaling ships and from the spreadsheets containing biological information filled out by employees of the SUDEPE at the flensing plan of the whaling station. The catches occurred from June to December, in an area delimited by 06º22'-07º52'S and 33º26'-34º58'W. A total of 641 sperm whales were killed in this period. The average sex ratio was 2.05 females to each male. The mean largest frequency of females was recorded in the first and the last months of the season, and that of males in July/August. The mean total length (TL) of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biological data; Costinha Whaling Station; Sperm whale.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400011

ERRATA
Provedor de dados: 103
Tipo: Info:eu-repo/semantics/other
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600541

Geographic variation in Caluromys derbianus and Caluromys lanatus (Didelphimorphia: Didelphidae)
Provedor de dados: 103
Autores: Fonseca,Raul; Astúa,Diego.
We analyzed the geographic variations in the shape and size of the cranium and mandible of two woolly opossums, Caluromys derbianus and Caluromys lanatus. Using geometric morphometrics we analyzed 202 specimens of C. derbianus and 123 specimens of C. lanatus, grouped in 7 and 9 populations, respectively. We found sexual dimorphism in shape variables only in the dorsal view of the cranium of Caluromys derbianus, which is not associated with geographical origin. We detected geographic variation in the size of the mandible in two populations (Nicaragua and Northern Panama), but no geographic variation in shape. The size of the cranium of C. lanatus varies significantly, with clinal variation in peri-Amazon populations, with a break between two populations,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caluromyinae; Geometric morphometrics; Marsupial; Neotropics; Skull; Size and shape analysis.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000200109

Termite assemblages (Blattodea: Isoptera) in a habitat humidity gradient in the semiarid region of northeastern Brazil
Provedor de dados: 103
Autores: Couto,Alane A.V.O.; Albuquerque,Auristela C.; Vasconcellos,Alexandre; Castro,Cibele C.
ABSTRACT We compared the termite assemblages of different ecosystems in a humidity gradient. Three areas were sampled: (i) a humid montane forest; (ii) a hillside forest where shaded coffee (Coffea arabica Linnaeus, 1753) is cultivated; (iii) a seasonally dry forest (Caatinga). Active collection protocols were employed in each area during the dry and rainy seasons. The species were grouped according to their habitats and feeding habits. A total of 45 termite species belonging to 20 genera and three families were encountered. The termite fauna of the Caatinga was as rich and abundant as that of the humid forest areas, but it was distinct from it in species composition. Most termite species encountered in the montane forest were also found in the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Agro-ecosystem; Biodiversity; Caatinga; Montane forest.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000400281

Interconnectedness during high water maintains similarity in fish assemblages of island floodplain lakes in the Amazonian Basin
Provedor de dados: 103
Autores: Freitas,Carlos Edwar de C.; Siqueira-Souza,Flávia K.; Guimarães,Alan Rezk; Santos,Fabiane A.; Santos,Ivanildo L.A.
We conducted a study to test the hypothesis that interconnectedness among island floodplain lakes and the adjacent Solimões River during the flood stage of the hydrologic cycle is enough to maintain similarity in fish species assemblages. Gill net samples were collected during high and low water periods for three consecutive years (July 2004 to July 2006) in four lakes on Paciência Island. Two lakes, Piranha and Ressaca, are connected to the river all year, and the other two, Preto and Cacau, which are in the center of the island, are isolated during low water periods. The abundance, species richness and evenness of the fish assemblages in these lakes did not differ according to their relative positions or the season of the hydrological cycle, which...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazonian; Diversity; Flood pulse; Floodplain lakes.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600014

A new species of Seira (Collembola: Entomobryidae: Seirini) from the Northeastern Brazilian coastal region
Provedor de dados: 103
Autores: Bellini,Bruno Cavalcante; Zeppelini,Douglas.
Seira Lubbock, 1869 is the most speciose genus of Collembola in Brazil. Herein, we describe and illustrate a new species of Seira, Seira ritae sp. nov., collected in João Pessoa, state of Paraíba, Brazil, in an urban seaside area. The new species shows many similarities with S. mendoncea Bellini &amp;amp; Zeppelini, 2009 especially in what concerns the dorsal distribution of the macrochaetae of the head, the metathorax, and the first three abdominal segments. However, the two species can be distinguished by the chaetotaxy of the mesothorax and abdominal segment IV. The type locality of the species probably indicates some level of natural resistance to the impacts associated with human activities.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazilian collembolan diversity; Chaetotaxy patterns; Entomobryomorpha; Seirinae; Systematics.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300015

Arthropod responses to the experimental isolation of Amazonian forest fragments
Provedor de dados: 103
Autores: Vasconcelos,Heraldo L.; Bruna,Emilio M.
Arthropods are the most diverse and abundant group of animals found in tropical lowland forests, and in light of ongoing global change phenomena, it is essential to better understand their responses to anthropogenic disturbances. Here we present a review of arthropod responses to forest deforestation and fragmentation based on studies conducted at the Biological Dynamics of Forest Fragments Project (BDFFP), located in central Amazonia. These studies involved a wide range of arthropod groups. All but one of the studies evaluated changes in total species number or species density in relation to fragment size, (i.e. area effects), and one-third also evaluated edge effects. Our review indicates that almost every arthropod group studied showed some kind of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Area effects; Edge effects; Insects; Secondary succession; Tropical forest conservation.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000600003

Emended diagnosis of Xeronycteris vieirai (Mammalia: Chiroptera), with the first record of polyodontia for the genus
Provedor de dados: 103
Autores: Nogueira,Marcelo R.; Gregorin,Renato; Peracchi,Adriano L.
The Caatinga-endemic nectar-feeding bat, Xeronycteris vieirai Gregorin &amp;amp; Ditchfield, 2005 was described based on four specimens. Since then, only two additional specimens have been reported in the literature. Examination of a new specimen that closely agrees with the original description but presents two additional upper premolars, led us to review the type series of this taxon. Our analysis provided support to the recognition of the new specimen as a X. vieirai with supernumerary teeth and revealed new diagnostic characters that can help in the field identification of this species. Xeronycteris vieirai presents tricolored dorsal fur, entirely naked forearm, connection of the base of the spear of the noseleaf with the upper limit of the horseshoe...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Lonchophylla bokermanni; Morphology; Supernumerary teeth; Taxonomy; Vieira's flower bat.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000200009

Implanted byssal hairs on postlarval shells of Mytilus edulis platensis (Bivalvia: Mytilidae) from Patagonia
Provedor de dados: 103
Autores: Isola,Tomás E.; Varisco,Martín A.; Cazzaniga,Néstor J.
ABSTRACT This communication describes the first records of byssal hairs on the postlarvae shells of Mytilus edulis platensis d’Orbigny, 1842. The postlarvae used in this study were sampled on artificial collectors used for mussel culture in San Jorge Gulf, Sudoccidental Atlantic Ocean. A general description of the hairs is made as well as an exploratory analysis of their spatial distribution on the shell surface. The presence of these byssal hairs is suggested as a criterion to differentiate M. edulis platensis from other mytilids.
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Byssus threads; Mussel postlarvae; Spat settlement; Mussel culture.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100505

Offspring production in three freshwater crab species (Brachyura: Pseudothelphusidae) from the Amazon region and Central America
Provedor de dados: 103
Autores: Wehrtmann,Ingo S.; Magalhães,Célio; Hernáez,Patricio; Mantelatto,Fernando L.
Freshwater crabs are an important component of the fauna of limnic environments, and out of the two true freshwater crab families present in the Neotropics, Pseudothelphusidae is the most diverse. Considering the lack of information regarding reproductive features of neotropical freshwater crabs, we studied, for the first time, the fecundity and the presence of juveniles carried by females of two pseudothelphusids from the Amazon region - Kingsleya latifrons (Randall, 1840) and Kingsleya ytupora Magalhães, 1986 - and one from Central America - Potamocarcinus magnus (Rathbun, 1896). The two Kingsleya species produced relatively few (56-114) and large eggs (1.9-3.7 mm), typical for species with an abbreviated or direct development. Recently produced eggs...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Costa Rica; Freshwater crabs; Direct development; Fecundity; Parental care.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600019

Growth, sexual maturity and sexual dimorphism of Aegla georginae (Decapoda: Anomura: Aeglidae) in a tributary of the Ibicuí River in southern Brazil
Provedor de dados: 103
Autores: Copatti,Carlos Eduardo; Legramanti,Rosemari Parise; Trevisan,André; Santos,Sandro.
ABSTRACT This study aimed to estimate the growth and size at the onset of sexual maturity in a population of Aegla georginae . Specimens were sampled from November 2007 to October 2008 in the Perau Creek (Ibicuí-Mirim sub-basin; Uruguay River basin). All captured specimens were sexed, and their cephalothoracic length (CL), minor and larger propodi length (MPL, LPL, respectively), height of major chela (HMQ), and abdomen width (AW) were measured. The lengthwise growth of males and females was evaluated using the Bertalanffy model, and the morphological sexual maturity was evaluated using the REGRANS program. The smallest ovigerous female presented a 10.45 mm CL. Males reached larger sizes than did females, but the growth rate was similar between the sexes....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Age estimative; Bertalanffy; Longevity; Size at onset maturity.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000300501

Kelp gulls, Larus dominicanus (Aves: Laridae), breeding in Keller Peninsula, King George Island, Antarctic Peninsula
Provedor de dados: 103
Autores: Branco,Joaquim O.; Costa,Erli S.; Araujo,Jansen de; Durigon,Edison; Alves,Maria Alice S.
We examined the distribution, abundance and density of the Kelp Gull, Larus dominicanus (Lichtenstein, 1823), at Keller Peninsula on two occasions during the breeding season of 2007-2008 (once for incubation and once for chick stages) and compared our results with previously published data. We present information on the number of eggs, incubation success, and initial development of L. dominicanus chicks in the studied sites. The abundance and density of the species has remained statistically similar in Keller Peninsula over the last 30 years (since 1978-1979). Although the abundance and density were almost unchanged, we recorded alterations in the occupation of the breeding areas by L. dominicanus, mainly the abandonment of breeding sites in the eastern...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Abundance; Breeding sites; Broods development; Density; Distribution.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300021

Foregut morphology of Pseudothelphusidae and Trichodactylidae (Decapoda: Brachyura) from northeastern Pará, Brazil
Provedor de dados: 103
Autores: Alves,Soraya Tatiana M.; Abrunhosa,Fernando A.; Lima,Jô de F.
The gross morphology of foregut was investigated and described in detail for four freshwater crab species: a pseudothelphusid, Fredius reflexifrons (Ortmann, 1897) and three trichodactylids - Sylviocarcinus pictus (H. Milne-Edwards, 1853), Valdivia serrata White, 1847, and Dilocarcinus septemdentatus (Herbst, 1783). In general, the gastric mills of freshwater crabs showed a similar degree of complexity in relation to other marine species of Anomura and Brachyura previously described in the literature. However, significant morphological differences were observed among the analyzed species, as in ossicle numbers, features and connection types. A total of 38 ossicles were described for S. pictus and V. serrata and 37 ossicles for D. septemdentatus and F....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Freshwater crabs; Morphology; Stomach; Amazon region; Neotropic.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200011

Clues of cultural transmission in cooperative foraging between artisanal fishermen and bottlenose dolphins, Tursiops truncatus (Cetacea: Delphinidae)
Provedor de dados: 103
Autores: Simões-Lopes,Paulo C.; Daura-Jorge,Fábio G.; Cantor,Maurício.
Tipo: Info:eu-repo/semantics/other
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000600200

Zooplankton of an urban coastal lagoon: composition and association with environmental factors and summer fish kill
Provedor de dados: 103
Autores: Souza,Leonardo C. e; Branco,Christina W. C.; Domingos,Patrícia; Bonecker,Sérgio L. C.
Zooplankton may be regarded as a sensitive tool for monitoring environmental variations in coastal lagoons due to their ability to immediately react to changes in the water column trophic features and salinity levels. As a coastal lagoon with a broad history of anthropic influence, Rodrigo de Freitas Lagoon (Rio de Janeiro, Brazil) is widely used for water sports and artisanal fishing. The present study aimed to expand the knowledge base about zooplankton in the Rodrigo de Freitas Lagoon by assessing the composition and time-spatial distribution of the major zooplankton groups. Samples were collected fortnightly from at four distinct sampling points August 2001 to July 2002. At each point, salinity, temperature, dissolved oxygen and water transparency were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brachionus plicatilis; Dissolved oxygen; Fish mortality; Mesohaline; Shallow waters.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300010

Description of Sidneioides peregrinus sp. nov. (Tunicata: Ascidiacea: Polyclinidae): a possible exotic species in the Atlantic Ocean
Provedor de dados: 103
Autores: Kremer,Laura Pioli; Metri,Rafael; Rocha,Rosana Moreira da.
Three species of Sidneioides Kesteven, 1909 were known until now, all of them from the western Pacific. Sidneioides peregrinus is a new species we found in Paranaguá Bay, southern Brazil. Diagnostic characteristics of the species are: colonies with 1-5 lobes, closely clumped, and attached by the entire basal area or by a common smaller area; seven to ten thin longitudinal fiber muscles (some branched) along the anterior two thirds of the thorax; no transverse muscle fibers; more than 30 tentacles of three orders forming one circle; pharynx with 10 to 12 rows of stigmata with 13 to 15 stigmata in each half row; bilobed anus at the level of the fourth or fifth row of stigmata; posterior abdomen not very elongated, oval, and joined to the abdomen by a narrow...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ascidian; Brazil; Encrusting community; New species; Species introduction.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600012

A new Thelastomatidae, Oryctophila bonaerensis sp. nov. (Nematoda) parasite of curculionid beetle larvae of Prosalbus rufus (Coleoptera: Curculionidae) from Argentina
Provedor de dados: 103
Autores: Camino,Nora B.; Achinelly,María Fernanda.
Oryctophila bonaerensis sp. nov. parasitizing curculionid beetle larvae from Argentina, is described and illustrated. The species is characterized by a prominent genital cone and a short and filiform tail appendage. Female with vulva at midlenght of body, vagina long, S-shaped, monodelphic, opistodelphic. Male with one club-shaped spicule. Genital papillae arranged as follows: one pair of large preanal papillae and three pairs of postanal papillae of various sizes: a pair of medium sized papillae is immediately posterior to the anus, followed by a pair of large papillae, and one pair of small papillae at the base of the caudal appendage.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Nematodes; Entomoparasitic; Insect; Taxonomy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200011

Dogs can detect scat samples more efficiently than humans: an experiment in a continuous Atlantic Forest remnant
Provedor de dados: 103
Autores: Oliveira,Márcio L. de; Norris,Darren; Ramírez,José F. M.; Peres,Pedro H. de F.; Galetti,Mauro; Duarte,José M. B.
Scat-detection dogs have been used to locate feces of rare and elusive species across tropical biomes. However their detection efficiency in relation to human observers has rarely been evaluated. In this study, we evaluated the ability of a scat detection dog to locate feces in comparison with human researchers. Human researchers and a scat detection dog surveyed for deer (Mazama spp.) feces in dense ombrofilous Atlantic forest in the Paranapiacaba continuum, SP, Brazil. A controlled experiment was used to assess the maximum effective perpendicular distance from a transect search line that the dog could detect a Mazama spp fecal sample. Results from a linear regression model revealed that the maximum effective perpendicular distance from a transect search...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Deer; Fecal samples; Mazama; Sampling.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000200012

Behavioral event occurrence differs between behavioral states in Sotalia guianensis (Cetarctiodactyla: Delphinidae) dolphins: a multivariate approach
Provedor de dados: 103
Autores: Tardin,Rodrigo H.; Pinto,Míriam P.; Alves,Maria Alice S.; Simão,Sheila M.
Difficulties in quantifying behavioral events can cause loss of information about cetacean behavior, especially behaviors whose functions are still debated. The lack of knowledge is greater for South American species such as Sotalia guianensis (Van Benédén, 1864). Our objective was to contextualize the behavioral events inside behavioral states using a Permutational Multivariate Analysis of Variance (MANOVA). Three events occurred in the Feeding, Socio-Sexual and Travelling states (Porpoising, Side flop, Tail out dive), and five events occurred in the Feeding and Travelling states (Back flop, Horizontal jump, Lobtail, Spy-hop, Partial flop ahead). Three events (Belly exposure, Club, and Heading) occurred exclusively in the Socio-sexual state. Partial Back...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aerial behavior; Behavioral analysis; Guiana dolphin; Surface behavior.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000100001

Intersexuality in the holotype of Photina gracilis (Mantodea: Mantidae: Photininae) and its taxonomic implications
Provedor de dados: 103
Autores: Agudelo R.,Antonio A.
Parasitism by horsehair worms (Nematomorpha) in Mantodea is well known, but only a few cases of intersexuality were reported in the literature. In the present study, intersexuality of the holotype of Photina gracilis Giglio-Tos, 1915 is documented as a possible consequence of nematomorph parasitism. Photina gracilis and Photina laevis Giglio-Tos, 1915 are established as new subjective junior synonyms of Photina vitrea (Burmeister, 1838). The female holotype of Mantis (Cardioptera) gymnopyga Burmeister, 1838, which was associated and synonymized with P. vitrea, is recognized as a member of the genus Coptopteryx and the combination Coptopteryx gymnopyga (Burmeister, 1838) is revalidated. The substitute name Photina gymnopyga (Burmeister, 1838), instead of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coptopteryx; Nematomorpha; Parasitism; Photina; Praying mantises.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400014

Food habits of Anilius scytale (Serpentes: Aniliidae) in the Brazilian Amazonia
Provedor de dados: 103
Autores: Maschio,Gleomar F.; Prudente,Ana Lúcia da C.; Rodrigues,Francílio da S.; Hoogmoed,Marinus S.
Information on the diet of Anilius scytale is provided based on the analysis of 162 specimens from the Brazilian Amazonia. Amphisbaenians (Aulura anomala Barbour, 1914; Leposternon polystegumn [Duméril, 1951] and Amphisbaena sp.), which are highly specialized for a fossorial life, accounted for 81.25% of the recorded items, followed by snakes - Anilius scytale (Linnaeus, 1758), and Tantilla melanocephala (Linnaeus, 1758): 12.5% - and caecilians - Caecilia cf. gracilis Shaw, 1802: 6.25%. We found a positive, although not significant, relationship between the snout-vent length of A. scytale and the total length of the prey and a tendency for smaller specimens to ingest proportionately larger prey. Anilius scytale forages mainly on the ground, at night, as...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Basal snakes; Diet.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200005

Taxonomic revision of two poorly known genera of Richardiidae (Diptera): Maerorichardia and Odontomerella
Provedor de dados: 103
Autores: Wendt,Lisiane Dilli; Marinoni,Luciane.
ABSTRACT Richardiidae are a family of Tephritoidea in which most genera are poorly known taxonomically, including some which were poorly described with limited or no illustrations. With the aim to decrease this taxonomic gap, herein we review two scarcely known monotypic genera: Odontomerella Hendel, 1912 and Maerorichardia Hennig, 1937, both known only from the holotypes of their type species. Maerorichardia is the only genus of Richardiidae with mid and hind tibiae thicker than their respective femora, and the wing with the anal lobe distinctly developed. Odontomerella can be distinguished from the others richardiids by the postcranium reduced and little wider ventrally, the compound eye well developed, occupying most of the head, with the gena and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Neotropical Region; New combination; Richardiinae; Terminalia.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000400306

Ergasilus trygonophilus sp. nov. (Copepoda: Ergasilidae) a branchial parasite of freshwater stingrays (Potamotrygonidae) from state of Pará, Brazil
Provedor de dados: 103
Autores: Domingues,Marcus V.; Marques,Taísa M.
Ergasilus trygonophilus sp. nov. is described from freshwater stingrays (Potamotrygon spp. and Plesiotrygon iwamae Rosa, Castello &amp;amp; Thorson, 1987) from the state of Pará, Brazil. The new species differs from all known species of Ergasilus Nordman, 1832 from Brazilian waters by possessing: (1) an elongate bullet-shaped cephalosome; (2) antennule setal formula 1: 10: 4: 4: 2 + 1 ae: 6 + 1 ae; (3) maxillule bearing two distal setae; and (4) terminal endopodal segment of leg 1 with rosette-like array of blunt spinules. This is the first species of a freshwater stingray Ergasilus reported from Brazil.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Copepod parasite; Potamotrygon spp; Plesiotrygon iwamae; Neotropical Region.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500020

Morphological description of Dipturus mennii (Chondrichthyes: Elasmobranchii: Rajidae) and its differentiation from Dipturus trachyderma
Provedor de dados: 103
Autores: Moreira,Renan A; Gomes,Ulisses L; Carvalho,Marcelo R. de.
Squamation patterns and skeletal anatomy (neurocranium, visceral arches, synarcual cartilage, scapulocoracoid, puboischiadic bar, and mixopterigium) of Dipturus mennii Gomes &amp;amp; Paragó, 2001 are described as a contribution to our limited knowledge of the anatomy of species of Dipturus Rafinesque, 1810. The hyoid and branchial arches, as well as the synarcual cartilage, are described for the first time in this species. We provide morphological comparisons of this species with Dipturus trachyderma (Krefft &amp;amp; Stehmann, 1975), a species that may be confused with D. mennii; we further corroborate, through anatomical features, that these species warrant separate taxonomic recognition. The main differences between D. mennii and D. trachyderma were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rajinae; Skates; Southwestern Atlantic Ocean; Taxonomy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100014

Padrão morfológico e ciclo de vida de Eutetranychus banksi (Acari: Tetranychidae) de diferentes locais e hospedeiros
Provedor de dados: 103
Autores: Mattos,Viviane M.; Feres,Reinaldo J. F.
Eutetranychus banksi (McGregor, 1914) is a phytophagous, polyphagous and cosmopolitan species recorded on 23 plant families in 24 countries in North, Central and South Americas, Europe, Asia, and Africa. Specimens of E. banksi present morphological variability among individuals of the same population and also among populations from different host species, being commonly referred to as a polytypic species, despite the fact that studies based on meristic comparisons of these populations are lacking. Also, there is no data available in the literature on the biological life tables of E. banksi on different hosts. Specimens collected in Brazil, Guadeloupe, Martinique, Mexico, and Paraguay were investigated in order to recognize morphological patterns among...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arrenothoky; Citrus sinensis; Hevea brasiliensis; Interbreeding; Multivariate morphometry.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300007

Spatial and temporal variation in population structure of Hemigrammus marginatus (Characiformes: Characidae) in streams of the Ivinhema River Basin, Brazil
Provedor de dados: 103
Autores: Lourenço,Luzia da Silva; Fernandes,Izaias Médice; Súarez,Yzel Rondon.
The present study has assessed spatial and temporal variations in the length structure of Hemigrammus marginatus Ellis, 1911 and estimated growth parameters for the species. Sampling was carried out in five streams in the Vitória and Piravevê sub-basins of the Ivinhema River from January to December 2002. A total of 933 specimens of H. marginatus were caught (97 in the Vitória sub-basin and 836 in the Piravevê sub-basin). Mean length of the individuals caught in the Piravevê sub-basin was shorter (21.58 mm, SD = 4.67) than that of individuals caught in the Vitória sub-basin (29.24 mm, SD = 4.42). Analysis of condition factor calculated from the weight/length relationship revealed that the values were constant both spatially (between sub-basins) and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Age; Growth; Mortality; Recruitment; Weight-length relationship.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000400003

Two new species of Emersonella (Hymenoptera: Eulophidae: Entedoninae) from the Brazilian Atlantic Forest
Provedor de dados: 103
Autores: Alvarenga,Thiago M.; Costa,Valmir A.; Hansson,Christer; Carvalho,César F.
Emersonella Girault, 1916 is a wasp genus including species that parasitize Chrysomelidae (Coleoptera) eggs, mainly Cassidinae. It occurs only in the Americas, and is primarily distributed in the Neotropical Region. In this paper two new species of Emersonella from the Atlantic Forest of southeastern Brazil are described and compared to similar species. Emersonella appendigastersp. nov. is characterized by an elongate last gastral tergite in female, thoracic dorsum flat, femora and tibiae yellowish in female, malar sulcus absent, frontal suture slightly down-curved laterally, eyes with scattered hairs, frons and vertex smooth, and propodeum smooth with small anteromedian foveae. Emersonella frieirocostaisp. nov. is characterized by an elongate gaster in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cassidinae; Eggs; Endoparasitoids; Host specificity; Solanaceae.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000200145

On the taxonomy of the Neotropical spider genera Dossenus and Dyrines (Araneae: Lycosoidea: Trechaleidae) from Brazil
Provedor de dados: 103
Autores: Silva,Estevam L. C. da; Lise,Arno A.
The male of Dossenus guapore Silva, Lise &amp;amp; Carico, 2007 is described and illustrated for the first time, based on material from Bonito, Mato Grosso do Sul, Brazil. The spider genus Dossenus Simon, 1898 is distributed from Panama to southern Brazil and can be distinguished by the other known genera of Trechaleidae by the median dark brown band on the carapace that extends to the abdomen and by the spoon-like shape of the median apophysis of the male palpus. A new species of Dyrines Simon, 1903, D. brescoviti sp. nov., is described and illustrated based on material collected in Sergipe and Paraná, Brazil. The representatives of this spider genus are relatively small and can be distinguished from the other genera by the longitudinal dark brown bands...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Morphology; Neotropical region; New species; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200017

Gross morphology and ultrastructure of the female reproductive system of Diaphorina citri (Hemiptera: Liviidae)
Provedor de dados: 103
Autores: Dossi,Fabio Cleisto Alda; Cônsoli,Fernando Luis.
The morphological traits of the female reproductive system of Diaphorina citri were examined in detail. Diaphorina citri has telotrophic ovaries with ovarioles organized as a "bouquet", displaying a rudimentary terminal filament and a syncytial tropharium. The vitellarium carries a single growing oocyte at each maturation cycle, which is connected with the tropharium by a nutritive cord. Morpho-functional changes occur during oocyte development, mainly during mid to late vitellogenesis. Morphological events such as the patency of the follicular cells and the intense traffic of vesicles through para- or intracellular processes, suggest a possible route for endosymbiont invasion of D. citri reproductive tissues. Similar events have been demonstrated to be...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Accessory structures; Asian citrus psyllid; Oogenesis; Ovary.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000200007

Lumbriclymene interstricta comb. nov. with a taxonomic key and a catalogue for all species of Lumbriclymene (Maldanidae, Polychaeta)
Provedor de dados: 103
Autores: Assis,José Eriberto de; Christoffersen,Martin Lindsey.
In this paper, we transfer Nicomache interstricta Ehlers, 1908 to Lumbriclymene Sars, 1872 based on a redescription of the type-specimen. We provide new illustrations for the species and new diagnostic features for the genus. Lumbriclymene interstricta (Ehlers, 1908) comb. nov. has 19 chaetigerous segments and four pre-anal achaetous segments; a prostomium rounded anteriorly, forming a slightly arched dorsal keel; semi-circular nuchal grooves; one acicular spine on chaetigers 1-4; and a small pygidium, with the anal pore bearing many small papillae. In addition, we compare the species with other subfamilies and genera of Maldanidae. We also provide a taxonomic key for all species presently included in Lumbriclymene. Finally, we provide a world catalogue...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Maldanid polychaetes; Redescription; New combination; World catalogue.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600024

Bruggmannia chapadensis sp. nov. (Diptera: Cecidomyiidae), a new midge inducing galls on Guapira pernambucensis (Nyctaginaceae) from the Parque Nacional da Chapada dos Guimarães, Mato Grosso State, Brazil
Provedor de dados: 103
Autores: Proença,Barbara; Maia,Valéria Cid.
ABSTRACT Bruggmannia chapadensis sp. nov. is described and illustrated based on characters of the larva, pupa and adults of both sexes, from specimens collected in Cerrado areas of Parque Nacional da Chapada dos Guimarães, state of Mato Grosso, Brazil. The new species is characterized by tarsal claws bent at distal 1/3; well-developed empodia, not reaching the bend in claws; cerci rounded; hipoproct shorter than cerci; aedeagus with globose apex; gonostylus semicircular; ovipositor protrusible about 1.4 times longer than sternite 7; pupal antennal bases enlarged, conical, upper facial horns semicircular; prothoracic spiracle short, abdominal segments 2-8 with one row of dorsal spines; larval terminal segment elongate, with four setose terminal papillae....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cerrado; Gall midge; Insect-plant interaction; Taxonomy.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100318

Yes, they can! Three-banded armadillos Tolypeutes sp. (Cingulata: Dasypodidae) dig their own burrows
Provedor de dados: 103
Autores: Attias,Nina; Miranda,Flávia R.; Sena,Liana M.M.; Tomas,Walfrido M.; Mourão,Guilherme M.
ABSTRACT It is believed that the two species of Tolypeutes Illiger, 1811are the only armadillos that do not dig their own burrows, and that these species simply re-use burrows dug by other species. Here, we show that Tolypeutes matacus (Desmarest, 1804) and Tolypeutes tricinctus (Linnaeus, 1758) dig their own burrows. We describe the burrows and three other types of shelters used by them, and provide measurements and frequency of use of the different types of shelter. We have studied free-ranging individuals of T. matacus in two locations in Central Brazil and individuals of T. tricinctus in semi-captivity in the Northeast of Brazil. Individuals of T. matacus were found primarily in small burrows (76%), straw nests (13%), shallow depressions covered with...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Digging behavior; Ecology; Xenarthra.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000404001

Biology and life table of Dirphia araucariae (Lepidoptera: Saturniidae): A herbivore of potentially high impact on Araucaria angustifolia
Provedor de dados: 103
Autores: Zenker,Mauricio M.; Specht,Alexandre; Fronza,Edegar; Poletto,Graziela; Marcon,Fernanda; Formentini,Aline C.; Gedoz,Mateus.
The life-history and biology of Dirphia araucariae Jones, 1908, including its life fertility table, are here described. Moths were reared in the laboratory under controlled conditions on their host plant, Araucaria angustifolia (Bertoloni) O. Kuntze - Araucariaceae. We describe several life-history traits of the species, namely: developmental period, survival rate, growth rate, fertility, fecundity, sex ratio, cephalic capsule width, and pupal weight. Mean duration of life stages were: egg = 26.78 days; larva = 61.78 days; prepupa = 6.85 days; pupa = 62.46 days; adult = 8.37 days. We found statistically significant differences between sexes for adult, larval and pupal stage duration; larval stage was longer in females while pupal stage was longer in males....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Conservation biology; Developmental biology; Forest entomology; Pinheiro-do-Paraná; South America.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200004

A new species of Bruchomyia (Diptera: Psychodidae) from caverns in the state of Minas Gerais, Brazil
Provedor de dados: 103
Autores: Bravo,Freddy; Barata,Ricardo Andrade.
Nine Neotropical species of Bruchomyia Alexander, 1920 have been previously described, all from South America. A new species of this rare genus, collected in caverns of the state of Minas Gerais, southeastern Brazil, is described and named Bruchomyia mineira sp. nov. The new species is morphologically similar to B. argentina Alexander, 1920, but they can be differentiated from each other by characters of the eyes, M2 vein and base of gonostylus.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bruchomyiinae; Moth flies; Neotropical region; Psychodidae; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500009

Anatomical and histological study of the liver and pancreas of two closely related mountain newts Neurergus microspilotus and N. kaiseri (Amphibia: Caudata: Salamandridae)
Provedor de dados: 103
Autores: Vaissi,Somaye; Parto,Paria; Sharifi,Mozafar.
ABSTRACT Anatomical and histological examinations were conducted on the digestive glands of two closely related mountain newts, Neurergus microspilotus (Nesterov, 1916) and Neurergus kaiseri Schmidt, 1952. In N. microspilotus and N. kaiseri the major digestive glands comprise a very large liver and a small pancreas. In both species the liver has two distinct lobes, right and left. Histologically, the parenchyma of the liver of both species is contained within a thin capsule of fibroconnective tissue. Glycogen deposits and fat storage often dissolve during the routine histological process and produce considerable histological variability. Sinusoids are lined with endothelial cells forming a very thin epithelial sheet, with discontinuous basement membrane....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Digestive glands; Light microscopy; Hematoxylin-Eosin; Periodic acid-Schiff (PAS).
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100306

Gametogenic cycle of Ophioderma januarii, a common Ophiodermatidae (Echinodermata: Ophiuroidea) in southeastern Brazil
Provedor de dados: 103
Autores: Borges,Michela; Yokoyama,Leonardo Q; Amaral,Antonia C. Z.
This study describes the gametogenic cycle of Ophioderma januarii Lütken, 1856, a common species of ophiuroid in Southeastern Brazil. The specimens were collected during the project "Biodiversidade Bêntica Marinha no Estado de São Paulo-BIOTA/FAPESP-Bentos Marinho" (Marine benthic biodiversity in the State of São Paulo-BIOTA/ Fapesp-Marine Benthos) which was conducted off the northern coast of the state of São Paulo. Specimens were captured monthly between February 2001 and December 2002. Due to the low number of individuals the monthly data was grouped in seasons (spring to winter). A total of 101 specimens were obtained: 33 in spring, 10 in summer, 23 in autumn, and 35 in winter. The gonads of eighty-eight individuals (45 females, 42 males, and one...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Gametogenesis; Ophiuroid; Recruitment.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100018

Habitat use by Callicebus coimbrai (Primates: Pitheciidae) and sympatric species in the fragmented landscape of the Atlantic Forest of southern Sergipe, Brazil
Provedor de dados: 103
Autores: Chagas,Renata Rocha Déda; Ferrari,Stephen F.
Anthropogenic habitat fragmentation is a chronic problem throughout the Brazilian Atlantic Forest biome. In the present study, four forest fragments of 60-120 ha were surveyed on a rural property in southern Sergipe, where two endangered primate species, Callicebus coimbrai Kobayashi &amp;amp; Langguth, 1999 and Cebus xanthosternos Wied-Neuwied, 1826, are found. Two transects were established in each fragment, and the predominant habitat in 50 m sectors was assigned to one of three categories (mature forest, secondary forest and anthropogenic forest). Standard line transect surveys of the resident primate populations - which included a third species, Callitrhix jacchus Linnaeus, 1758 - were conducted, with a total of 476 km walked transect, resulting in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Callithrix jacchus; Cebus xanthosternos; Interspecific competition; Niche partitioning.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600003

Cerrado ground-dwelling ants (Hymenoptera: Formicidae) as indicators of edge effects
Provedor de dados: 103
Autores: Brandão,Carlos Roberto F.; Silva,Rogério R.; Feitosa,Rodrigo M.
Large-scale agricultural production in Brazil preferentially occupies plateaus reclaimed from areas originally covered by Cerrado (savanna). Depending on the region, a percentage of the pristine vegetation coverage must be preserved by law, resulting in the creation of fragmented legal Cerrado reserves. The geometry of these relatively small legal reserves creates new habitat edges and ecotones, whose effects on the invertebrate fauna are poorly understood. This study aimed to assess the effects of abrupt edges resulting from soy production on ground-dwelling ant assemblages in the Brazilian Cerrado. The study sites are located within the Amazon region, in the state of Maranhão, northern Brazil, but were covered by Cerrado on a relatively low plateau,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Consevation; Diversity; Legal reserves; Savanna; Soy production.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300012

Three new species of microcaddisflies (Trichoptera: Hydroptilidae) from Brazil
Provedor de dados: 103
Autores: Santos,Allan Paulo Moreira; Jardim,Gabriela Abrantes; Nessimian,Jorge Luiz.
Three new species of Hydroptilidae are herein described and illustrated from specimens collected with light traps in the states of Pará and Rio de Janeiro, Brazil. Flintiella carajas sp. nov., from Floresta Nacional de Carajás, shares with F. panamensis Harris, Flint &amp;amp; Holzenthal, 2002, F. tamaulipasa Harris, Flint &amp;amp; Holzenthal, 2002, F. yanamona Harris, Flint &amp;amp; Holzenthal, 2002, and F. manauara Santos &amp;amp; Nessimian, 2009 a deeply incised phallic apex. However, males can be distinguished by a ventromesal process on segment VII, by lacking dorsal hooked processes on segment IX, by the elongate subgenital plate, and by the lateral lobes of the phallic apex slightly curved laterad. Rhyacopsyche diacantha sp. nov. is closely...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon Forest; Atlantic Forest; Flintiella carajas; Rhyacopsyche angra; Rhyacopsyche diacantha.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600015

New species and new records of Notonecta (Hemiptera: Heteroptera: Notonectidae) from Brazil
Provedor de dados: 103
Autores: Barbosa,Julianna F.; Nessimian,Jorge L.
Notonecta itatiaia sp. nov. is described from the state of Rio de Janeiro. Like other Notonecta species that occurs in Brazil, N. itatiaia has no remarkable diagnostic features than the shape of genital capsule. Along with the first description of a Notonecta from Brazil in eighty years, N. disturbata is newly recorded from the states of Pará, Piauí and São Paulo, and N. pulchra from Pará. A key to species of Notonecta (males) occurring in Brazil is given.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Identification key; Neotropical Region; Notonectinae; Taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600014

Fusceulima and Halielloides (Gastropoda: Eulimidae) in the southwestern Atlantic, with descriptions of two new species of Fusceulima
Provedor de dados: 103
Autores: Souza,Leonardo Santos de; Pimenta,Alexandre Dias.
Fusceulima Laseron, 1955 and Halielloides Bouchet &amp;amp; Warén, 1986 are reported from the southwestern Atlantic for the first time. Halielloides ingolfiana Bouchet &amp;amp; Warén, 1986 is considered a valid name, and the taxon is distinct from its previous senior synonym Eulima verrilliana Bush, 1909 in shell shape and absence of an umbilicus. Fusceulima saturata sp. nov. is characterized by a conical shell, domed at the apex, a short ovoid aperture, and a distinct dark-brown spiral band near the suture. Fusceulima toffee sp. nov. also has a conical shell and a dome-shaped apex, but has a taller high aperture and the entire shell is dark brown. Halielloides cf. ingolfiana, Fusceulima cf. boscheineni, and Fusceulima cf. minuta, are here recorded from...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Eulimids; Eulimoidea; Halielloides ingolfiana; Taxonomy; West Atlantic.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000600008

Influence of pitfall trap size and design on herpetofauna and small mammal studies in a Neotropical Forest
Provedor de dados: 103
Autores: Ribeiro-Júnior,Marco A; Rossi,Rogério V; Miranda,Cleuton L; Ávila-Pires,Teresa C. S.
One of the most commonly used sampling techniques to capture leaf litter amphibians, lizards and small mammals is a set of pitfall traps with drift fences. However, there are still many speculations concerning the effectiveness of different designs of pitfall traps and the most adequate size of each trap. To address this problem, we conducted the first standardized comparison of patterns of species richness, rank-abundance, and community structure of leaf litter amphibians, lizards and small mammals for two trap designs (I and Y format) and three bucket sizes (35, 62, and 100 L) in a Neotropical forest. Results are very similar for the herpetofauna, regardless of the pitfall trap design or size used, while for small mammals values of species richness were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibians; Faunal survey; Neotropical forest; Reptiles; Sampling method; Small mammals.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100012

Breeding biology and reproductive success of Polystictus superciliaris (Aves: Tyrannidae), an uncommon tyrant-flycatcher endemic to the highlands of eastern Brazil
Provedor de dados: 103
Autores: Hoffmann,Diego; Rodrigues,Marcos.
Polystictus superciliaris (Wied, 1831) is a small tyrant-flycatcher endemic to mountaintops in the highlands of eastern Brazil. In this paper we present the first description of the breeding biology of P. superciliaris and estimate its reproductive success from a population inhabiting rocky outcrops. This study was conducted during 2005 in the Parque Estadual da Serra do Rola Moça, municipality of Nova Lima (20°03'S, 44°00'W), state of Minas Gerais, southeastern Brazil. Fourteen pairs of P. superciliaris were banded and monitored. The onset of the breeding season in 2005 was assumed to have been sometime before the 26th of July, while it was assumed to have ended on the 23rd of November based on the last observation of a successful brood. Clutch size was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Canga; Clutch size; Laying date; Mayfield method; Nest predation.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300004

Diet and trophic niche of Lithobates catesbeianus (Amphibia: Anura)
Provedor de dados: 103
Autores: Leivas,Peterson T.; Leivas,Fernando W. T.; Moura,Maurício O.
Lithobates catesbeianus (Shaw, 1802) is an invasive anuran introduced in Brazil that is associated with the displacement and the decline of populations of native species worldwide. There is evidence that biological invasions are facilitated by certain attributes of the invading species, for instance niche breath, and that invasive species have a broader ecological niche with respect to native ones. We designed a study to ascertain the temporal, ontogenetic, and sex differences in the niche dynamics of the American bullfrog. We sampled monthly from June 2008 to May 2009 in the state of Paraná, southern Brazil. For each individual, we gathered biometric and stomach content data. We then estimated the niche breath of the juveniles and adults, and compared it...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biological invasion; Bullfrog; Predation.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500003

Activity pattern of Cuniculus paca (Rodentia: Cuniculidae) in relation to lunar illumination and other abiotic variables in the southern Brazilian Amazon
Provedor de dados: 103
Autores: Michalski,Fernanda; Norris,Darren.
Understanding what influences the activity of organisms is important for both ecological understanding and species conservation. Using data from 2,707 camera trap days distributed across 24 forest sites, we present quantitative analyses of the activity pattern of Cuniculus paca (Linnaeus, 1766) in southern Amazonia. We compared the activity pattern of this species across four designated subsets of the 24-hours diel cycle (dawn, dusk, day and night). Using linear regression models we tested the influence of season, temperature and rainfall on the activity patterns of C. paca (paca). We also evaluated the nocturnal photos of paca (N = 111) as a function of the degree of lunar illumination in order to test the prediction that pacas minimize their activity...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Behavioral flexibility; Camera trapping; Lunar phobia; Moon phase; Temporal activity.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600002

Marking behavior of the giant anteater Myrmecophaga tridactyla (Mammalia: Myrmecophagidae) in Southern Brazil
Provedor de dados: 103
Autores: Braga,Fernanda G.; Santos,Raphael E. F.; Batista,Antonio C.
This research presents novel data on tree marking by the giant anteater, a large Neotropical mammal threatened in the state of Paraná and other areas of Brazil, and nearly threatened worldwide. Field work was carried out in the municipality of Jaguariaíva, Paraná (Southern Brazil) with the goal of evaluating the pine marking behavior of the giant anteater and ascertaining whether wildfires interfere with it. Anteater marks were searched for on the trunks of pine trees in stands as well as pine trees dispersed throughout the landscape. For each pine tree, the following features were recorded: height, diameter breast height (DBH), height of first branch, presence/absence of scratch marks, geographical location, substrate, and matrix. The total number of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Behavior; Paraná; Pilosa; Pine; Scratches.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100002

Redescription of Mimon koepckeae (Chiroptera: Phyllostomidae)
Provedor de dados: 103
Autores: Hurtado,Natalí; Arias,Edith; Pacheco,Víctor.
Mimon koepckeae Gardner &amp;amp; Patton, 1972 is a poorly-known bat species, with only three known specimens, including the holotype. Its distribution is restricted to the type locality in Ayacucho Department, Peru, and surroundings. This species has been synonymized with M. crenulatum by some authors. Based on a new specimen of M. koepckeae collected from Santuario Nacional Pampa Hermosa, Junin Department, Peru, we provide an extensive morphological comparison with M. crenulatum (Geoffroy St.-Hilaire, 1803), Mimom bennettii (Gray, 1838), and Mimon cozumelae Goldman, 1914, concluding that M. koepckeae is a valid species. As a result the distribution range of the species is extended 160 km north of the type locality. In addition, we characterize the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Conservation; Endemic; Junin; Pampa Hermosa; Yungas.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400009

Hyper abundant mesopredators and bird extinction in an Atlantic forest island
Provedor de dados: 103
Autores: Galetti,Mauro; Bovendorp,Ricardo S.; Fadini,Rodrigo F.; Gussoni,Carlos O. A.; Rodrigues,Marcos; Alvarez,Ariane D.; Guimarães Jr,Paulo R.; Alves,Kaiser.
Islands can serve as model systems for understanding how biological invasions affect native species. Here we examine the negative effects of mesopredator mammals on bird richness at Anchieta Island, an 826 ha offshore island in the coast of Brazil. Anchieta Island has the highest density of mammals of the entire Atlantic forest, especially nest predators such as marmosets and coatis, introduced more than 20 years ago. This indiscriminate introduction of mammals may have affected directly the bird community, nowadays represented by 100 species comprised mainly by water-crossing birds, being 73 forest-dwelling species. A small component of these remnant bird species nests in tree holes and on the forest floor, null model analysis suggest that birds within...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Callithrix; Exotic species; Line transect; Mesopredator release; Null models.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200011

Regulation of HIF-1α and p53 in stress responses in the subterranean rodents Lasiopodomys mandarinus and Lasiopodomys brandtii (Rodentia: Cricetidae)
Provedor de dados: 103
Autores: Shi,Luye; Jiang,Mengwan; Li,Mengyang; Shang,Xiaozhen; Li,Xiujuan; Huang,Maolin; Wu,Yue; Qiao,Congcong; Wang,Xinrui; Tian,Xiangyu; Shi,Yuhua; Wang,Zhenlong.
ABSTRACT The response mechanism and interaction patterns of HIF-1α and p53 in animals in an hypoxic environment are crucial for their hypoxic tolerance and adaptation. Many studies have shown that underground rodents have better hypoxic adaptation characteristics. However, the mechanism by which HIF-1α and p53 in underground rodents respond to hypoxic environments compared with in ground rodents remains unclear. Further, whether a synergy between HIF-1α and p53 enables animals tolerate extremely hypoxic environments is unclear. We studied HIF-1α and p53 expression in the brain tissue and cell apoptosis in the hippocampal CA1 region during 6 hours of acute hypoxia (5% oxygen) in Lasiopodomys mandarinus (Milne-Edwards, 1871) and Lasiopodomys brandtii (Radde,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Comparative biology; Hippocampal CA1 region; Oxygen; Subterranean rodents.
Ano: 2021
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702021000100305

A comparative structural cytogenetic study in three allopatric populations of Astyanax scabripinnis (Teleostei: Characidae)
Provedor de dados: 103
Autores: Santos,Natália M.; Ferreira-Neto,Maressa; Artoni,Roberto F.; Vicari,Marcelo R.; Bakkali,Mohammed; Oliveira,Claudio de; Foresti,Fausto.
Individual samples from five populations of the characid fish Astyanax scabripinnis (Jenyns, 1842) from the Tietê and Paranapanema river basins (Brazil) were studied. All individuals analyzed presented 50 chromosomes but three different karyotypic forms were observed. Additionally, some individuals of one karyomorph presented a macro supernumerary chromosome. No chromosomal differentiation was observed between males and females in any sample analyzed. C-banding revealed two distinct distribution patterns in these populations in which strong terminally located heterochromatic blocks were detected in the long arms of some chromosomes of the specimens from Cascatinha, Cintra, and Funari streams, whereas populations of the Capão Bonito stream and the Barbosa...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chromosome markers; Karyoevolution; Karyomorphs; Nucleolus organizer region.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000200008

Predatory behavior of the land flatworm Notogynaphallia abundans (Platyhelminthes: Tricladida)
Provedor de dados: 103
Autores: Prasniski,Maria E. T.; Leal-Zanchet,Ana M.
Land flatworms are carnivorous, mainly predators. However, knowledge on their predatory behavior and prey preference is very scarce. This paucity of data is a limiting factor in the study of their biology and organismal ecology, resulting in a very difficult task to breed them in the laboratory for prolonged periods if prey preference and predation frequency are unknown. We investigated the predatory behavior of Notogynaphallia abundans (Graff, 1899), Geoplaninae, based on laboratory experiments. In order to determine its predatory choices, we offered mollusks, earthworms, arthropods, and other land flatworms. Only land isopods were accepted, with an average consumption of 3.4 individuals per week. Linear regression showed a positive relationship between...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Isopods; Planarians; Prey preference; Weekly consumption.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400004

Ypsilothuria bitentaculata bitentaculata (Echinodermata: Holothuroidea) from the southwestern Atlantic, with comments on its morphology
Provedor de dados: 103
Autores: Martins,Luciana; Tavares,Marcos.
ABSTRACT Ypsilothuria bitentaculata bitentaculata (Ludwig, 1893), previously known from several localities in the Pacific Ocean, is recorded herein for the first time from the southwestern Atlantic Ocean based on eight specimens caught off the coast of southeastern Brazil, between 505-511 m deep. Several morphological details are added to the description of Y. b. bitentaculata, including photographs of specimens and calcareous ring plates, as well as scanning electron microscope images of the ossicles from the body wall, oral and anal siphons and introvert. Additionally, Y. b. bitentaculata is compared to its congeners.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Sea cucumber; Dendrochirotida; Ypsilothuriidae; Brazil; Deep-sea; REVIZEE.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100312

A protocol for measuring spatial variables in soft-sediment tide pools
Provedor de dados: 103
Autores: Brenha-Nunes,Marina R.; Contente,Riguel F.; Rossi-Wongtschowski,Carmen L.D.B.
ABSTRACT We present a protocol for measuring spatial variables in large (&gt;50 m2) soft-sediment tide pool. Secondarily, we present the fish capture efficiency of a sampling protocol that based on such spatial variables to calculate relative abundances. The area of the pool is estimated by summing areas of basic geometric forms; the depth, by taken representative measurements of the depth variability of each pool's sector, previously determined according to its perimeter; and the volume, by considering the pool as a prism. These procedures were a trade-off between the acquisition of reliable estimates and the minimization of both the cost of operating and the time spent in field. The fish sampling protocol is based on two con secutive stages: 1) two...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Beach-seine; Capture efficiency; Crypto-benthic species; Tidal flat.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000204000

A new species of Goeldia (Araneae: Titanoecidae) with notes on its natural history
Provedor de dados: 103
Autores: Almeida-Silva,Lina M.; Brescovit,Antonio D.; Dias,Sidclay Calaça.
A new species of Goeldia Keyserling, 1891 is described. Goeldia is the only genus of Titanoecidae with species in the Neotropical region and includes eight species diagnosed by the presence of a patellar process in the male palp. The new species, Goeldia zyngierae sp. nov., was found living inside the Casa de Pedra cave, Ribeira, Itabaiana, Sergipe, Brazil. Goeldia zyngierae sp. nov. is diagnosed by the tegular process with a small constriction near the base of the dorsal part and by a distal narrowing, more visible in the dorsal side of the patellar process of the male palp. The female epigynum shows a pair of sinuous depressions and a large mid field that does not close the copulatory openings as in Goeldia luteipes Keyserling, 1878. The vulva presents a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cave; Neotropical; Social behavior; Spider; Taxonomy.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200021

Metrics derived from fish assemblages as indicators of environmental degradation in Cerrado streams
Provedor de dados: 103
Autores: Ávila,Milton P.; Carvalho,Rafaela Neves; Casatti,Lilian; Simião-Ferreira,Juliana; Morais,Lorrane Faria de; Teresa,Fabrício B.
ABSTRACT The development of effective monitoring tools depends on finding sensitive metrics that are capable of detecting the most important environmental impacts at a given region. We assessed if metrics derived from stream fish assemblages reflect physical habitat degradation and changes in land cover. We sampled the ichthyofauna and environmental characteristics of 16 stream sites of first and second order in the Upper Tocantins River basin. The streams were classified according to their environmental characteristics into reference (n = 5), intermediate (n = 4), and impacted (n = 7). A total of 4,079 individuals in five orders, 12 families, and 30 species were collected. Of the 20 metrics tested, eight were non-collinear and were tested for their...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bioindicators; Brazilian savannah; Fish fauna; Multimetric index.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100303

Species composition and abundance of the benthic community of Axiidea and Gebiidea (Crustacea: Decapoda) in the Marapanim Bay, Amazon estuary, northern Brazil
Provedor de dados: 103
Autores: Silva,Dalila Costa; Martinelli-Lemos,Jussara Moretto.
The thalassinideans (Axiidea and Gebiidea) encompasses approximately 615 species with reclusive habits, generally confined to extensive galleries burrowed into the sand or mud and, more rarely, in openings in reefs or the cavities of sessile animals such as sponges and coral. These species use the galleries for shelter, feeding and breeding, except during the pelagic larval stage. They inhabit estuaries, bays, lagoons, beaches, seas and both tropical and temperate oceanic areas throughout the world, distributed predominantly in the intertidal zone (mid-littoral and infralittoral zones). The aim of the present study was to assess the species composition and abundance of thalassinideans, comparing two micro-habitats (consolidated and non-consolidated...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Benthos; Intertidal; Thalassinideans.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000200007

Predatory behavior of three centipede species of the order Scolopendromorpha (Arthropoda: Myriapoda: Chilopoda)
Provedor de dados: 103
Autores: Guizze,Samuel P.G.; Knysak,Irene; Barbaro,Katia C.; Karam-Gemael,Manoela; Chagas-Jr,Amazonas.
ABSTRACT Studies related to centipede feeding and predatory behavior are rare in the literature, and are limited to observations made during fieldwork. Furthermore, they lack descriptions of prey capture. We conducted a laboratory experiment using South American specimens of Scolopendra viridicornis Newport, 1844 (n = 5), Otostigmus tibialis Brölemann, 1902 (n = 5), and Cryptops iheringi Brölemann, 1902 (n = 5), as well as 13 different kinds of prey, to map and describe their predatory behavior. The analysis of video images (65 hours of recordings) resulted in 15 behavioral categories that describe foraging, prey capture, feeding, and cleaning habits. Almost all observations (95%) concluded with the centipede killing the prey. Although we witnessed that a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cryptops; Ethogram; EthoSeq; Otostigmus; Scolopendra.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000600300

Morphology of the shell of Happiella cf. insularis (Gastropoda: Heterobranchia: Systrophiidae) from three forest areas on Ilha Grande, Southeast Brazil
Provedor de dados: 103
Autores: Barbosa,Amilcar Brum; Santos,Sonia Barbosa dos.
We conducted a study on shell morphology variation among three populations of Happiella cf. insularis (Boëttger, 1889) inhabiting different areas (Jararaca, Caxadaço, and Parnaioca trails) at Vila Dois Rios, Ilha Grande, Angra dos Reis, state of Rio de Janeiro, Brazil. Linear and angular measurements, shell indices representing shell shape, and whorl counts were obtained from images drawn using a stereomicroscope coupled with a camera lucida. The statistical analysis based on ANOVA (followed by Bonferroni's test), Pearson's correlation matrix, and discriminant analysis enabled discrimination among the populations studied. The variable that most contributed to discriminate among groups was shell height. Mean shell height was greatest for specimens collected...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Conchology; Discriminant analysis; Ecology; Morphometry; Threatened biome.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000300004

Spider assemblage (Arachnida: Araneae) associated with canopies of Vochysia divergens (Vochysiaceae) in the northern region of the Brazilian Pantanal
Provedor de dados: 103
Autores: Battirola,Leandro D.; Batistella,Daniel A.; Rosado-Neto,Germano H.; Brescovit,Antonio D.; Marques,Marinêz I.
ABSTRACT This study describes the composition and temporal variation of the spider assemblage (Arachnida: Araneae) associated with canopies of Vochysia divergens Pohl. (Vochysiaceae) in the northern region of the Brazilian Pantanal. Three V. divergens plants were sampled in 2004, at each seasonal period of the northern Pantanal (high water, receding water, dry season and rising water), using thermonebulization of the canopies with insecticide, totaling 396 m2 of sampled canopies. Analysis of abundance and richness of spider families were based on Non-Metric Multidimensional Scaling (NMDS) and Variance Analysis (ANOVA and MANOVA). A total of 7,193 spiders were collected (6,330 immatures; 88.0%; 863 adults, 12.0%) distributed in 30 families. Araneidae (1,676...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Invertebrates; Diversity; Forest canopy; Seasonality; Wetlands.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000400700

How much can the number of jabiru stork (Ciconiidae) nests vary due to change of flood extension in a large Neotropical floodplain?
Provedor de dados: 103
Autores: Mourão,Guilherme; Tomas,Walfrido; Campos,Zilca.
The jabiru stork, Jabiru mycteria (Lichtenstein, 1819), a large, long-legged wading bird occurring in lowland wetlands from southern Mexico to northern Argentina, is considered endangered in a large portion of its distribution range. We conducted aerial surveys to estimate the number of jabiru active nests in the Brazilian Pantanal (140,000 km²) in September of 1991-1993, 1998, 2000-2002, and 2004. Corrected densities of active nests were regressed against the annual hydrologic index (AHI), an index of flood extension in the Pantanal based on the water level of the Paraguay River. Annual nest density was a non-linear function of the AHI, modeled by the equation 6.5 · 10-8 · AHI1.99 (corrected r² = 0.72, n = 7). We applied this model to the AHI between 1900...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Flood; Jabiru nesting; Jabiru mycteria; Neotropical wetlands; Pantanal.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500012

The burrows of Parastacus defossus (Decapoda: Parastacidae), a fossorial freshwater crayfish from southern Brazil
Provedor de dados: 103
Autores: Noro,Clarissa K.; Buckup,Ludwig.
Parastacus defossus Faxon, 1898 is a fossorial crayfish species, which constructs its burrows in swampy areas in southeast Uruguay and in the state of Rio Grande do Sul, Brazil. The present field study was carried out in Lami, Porto Alegre, Rio Grande do Sul, Brazil, from May 2003 through August 2005. Environmental measurements (temperature, pH, dissolved oxygen, and water-table depth) of the water in the galleries were made monthly. Burrow morphology was analyzed by means of resin and gypsum casts. The spatial distribution and changes in the number and shape of the surface openings over time were observed in a 100 m² area. To estimate the spatial distribution of the openings, the observed distribution was compared with the expected distribution predicted...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Burrow morphology; Crayfish; Galleries.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300004

How much effort should be employed for surveying a low-diversity Amazonian mammal assemblage using line-transects?
Provedor de dados: 103
Autores: Mourthé,Ítalo.
Line-transect surveys are commonly used for sampling large mammals, but estimates of the effort needed to reliably surveying low-diversity assemblages of mammals are scarce. Using data from line-transects and species accumulation curves, I examined whether or not a sampling effort previously suggested to survey mammals elsewhere (ca. 85-100 km) would be satisfactory for surveying a low-diversity assemblage of large mammals in the Rio Negro basin in northern Amazonia. In total, 14 mammals were recorded after an accumulated effort of 690 km walked. The desired threshold of completeness was only achieved in one of six transects after an average effort of 115 km surveyed. Considering the entire landscape (all transects pooled), survey completeness was reached...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Amazonia; Species accumulation curves; Species richness; Survey.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100016

On the sharpshooter Versigonalia (Hemiptera: Cicadellidae: Cicadellini): Versigonalia lentiginosa nom. nov., redescription of V. vermiculata comb. nov., and key to species of the genus
Provedor de dados: 103
Autores: Camisão,Beatriz M.; Takiya,Daniela M.
Syntypes of Tettigonia vermiculata Signoret, 1855 were studied and redescribed, including the first description and illustration of the male and female genitalia of this species. Based on this study, this Brazilian species, previously placed in Molomea (Proconiini), is herein transferred to Versigonalia (Cicadellini). This transfer resulted in a secondary homonymy and its junior homonym from Argentina, Versigonalia vermiculata Young, 1977 is considered invalid. Thus, we propose a new name, V. lentiginosa nom. nov., for the latter. A taxonomic key to all three species of Versigonalia is also given.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cicadellinae; Leafhoppers; New combination; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400010

First report of Temnocephala rochensis (Platyhelminthes: Temnocephalida) from Pomacea canaliculata (Mollusca: Ampullariidae) outside Uruguay: description update based on specimens from the state of Rio Grande do Sul, Brazil
Provedor de dados: 103
Autores: Seixas,Samantha A.; Amato,José F. R.; Amato,Suzana B.
Temnocephala rochensis Ponce de Léon, 1979, was the second of four species of Temnocephala Blanchard, 1849 to be described as ectosymbiont of ampullariid apple snails, Pomacea canaliculata (Lamarck, 1822). There have been no records of this Uruguayan species after its initial description. As part of the present study, 111 specimens of P. canaliculata were collected between 2003 and 2009. Temnocephalans found in the pallial cavity were identified as T. rochensis, occurring in single infestations, or concurrently with Temnocephala haswelli Ponce de Léon, 1989. Specimens of T. rochensis showed a conspicuous red eye pigment which faded after ethanol fixation. Important taxonomic characters of the reproductive system were evidenced by several techniques, and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ectocommensals; Mollusks; Neotropical Region; South America; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500019

Life cycle of Agrotis malefida (Lepidoptera: Noctuidae): a diapausing cutworm
Provedor de dados: 103
Autores: Specht,Alexandre; Angulo,Andrés O.; Olivares,Tania S.; Fronza,Edegar; Roque-Specht,Vânia F.; Valduga,Eduardo; Albrecht,Francine; Poletto,Graziela; Barros,Neiva M.
This study describes the life cycle of Agrotis malefida Guenée, 1852 (Noctuidae: Noctuinae) under laboratory conditions. The insects were reared in a controlled environment (25 ± 1ºC, 70 ± 10% RH and 14 hours photo phase) and observed daily. The larvae were fed Greene's artificial diet and adults were offered a 10% sucrose solution. The viability and duration of immature stages were assessed. The experiment initiated with 2,410 eggs. Larvae were isolated shortly after hatching. Longevity, pre-, post- and oviposition, fecundity and fertility of 13 adult couples were also evaluated. The viability of eggs, larvae, pupae and pre-pupae was 96.72, 91.25, 78.37 and 95.26%, respectively. The average duration of egg, larva, pre-pupa, pupa and adult was 7.93, 54.26,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bionomy; Caterpillar; Development; Diapause.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400002

A new species of Tormopsolus (Digenea: Acanthocolpidae) parasite of Genypterus brasiliensis (Teleostei: Ophidiidae) from the Brazilian coast
Provedor de dados: 103
Autores: Knoff,Marcelo; Fernandes,Berenice M. M.
Tormopsolus brasiliensis sp. nov. is described from the intestine of Genypterus brasiliensis Regan, 1903, from Brazil. The new species is characterized mainly by having an almost square terminal oral sucker, a pharynx of the same size or larger than the oral sucker, and testes very close to each other and without vitelline follicles between them. Tormopsolus brasiliensis sp. nov. is most closely related to T. lintoni Caballero, 1952, sharing with the latter the space between the gonads and the distribution of the vitelline fields. It differs from that species by the lack of a space between the gonads and the absence of vitelline follicles between the testes; by the smaller distance between the oral and ventral suckers; by the presence of a wide ejaculatory...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Marine fish; South America; Taxonomy; Tormopsolus brasiliensis sp. nov.; Trematoda.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300019

Masteria manauara sp. nov., the first masteriine species from Brazil (Araneae: Dipluridae: Masteriinae)
Provedor de dados: 103
Autores: Bertani,Rogério; Cruz,Wanessa Ribeiro; Oliveira,Maria Ermelinda do Espírito Santo.
A new species of Masteria L. Koch, 1873 from Manaus, Brazil, Masteria manauara sp. nov., is herein described. The specimens were collected by hand or using litter bags in the leaf litter around Attalea attaleoides (Barb. Rodr.) palm trees. The new species resembles Masteria colombiensis Raven, 1981 by lacking paraembolic apophysis on male copulatory organs and having spiniform apophysis on the ventral metatarsus I. It differs in the tibial spur, made of two subdistal, spiniform and converging spurs. Females are unique in having two spermathecae with slender helicoidal stalks. Males and females have only six eyes, and are tiny, even when compared with other Masteria species.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon; Attalea attaleoides; Leaf litter; Mygalomorphae; Taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400010

Ommatius: synonyms, new record, redescription of Ommatius erythropus and description of the female of Ommatius trifidus (Diptera: Asilidae: Ommatiinae)
Provedor de dados: 103
Autores: Lima,Sheila; Vieira,Rodrigo; Camargo,Alexssandro; Chagas,Cínthia.
ABSTRACT Ommatius erythropus Schiner, 1867 is redescribed and a lectotype is established. The female of Ommatius trifidus Vieira, Bravo &amp; Rafael, 2010 is described and a new record is provided. Ommatius ruficaudus Curran, 1928 is established as a new synonym of Ommatius pulcher (Engel, 1885). An identification key is presented to the Ommatius costatus species group. A map with the geographic records is provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brachycera; Costatus group; Neotropical; Normus group.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100331

Responses of wild titi monkeys, Callicebus coimbrai (Primates: Platyrrhini: Pitheciidae), to the habituation process
Provedor de dados: 103
Autores: Souza-Alves,João Pedro; Ferrari,Stephen F.
Adequate habituation of free-ranging subjects is essential for any field study, but is generally unsystematic. Here, attempts to habituate three titi monkey (Callicebus coimbrai Kobayashi &amp;amp; Langguth, 1999) groups are described, and factors determining the effectiveness of the process are discussed. The "relentless pursuit" approach was aided by playback recordings of vocalizations but only one group was habituated adequately. Average contact in 13 encounters with group 1 was just over one minute, whereas in 32 encounters with group 2, it averaged 3,5 minutes (maximum = 22 minutes). Group 3 was more tolerant of observers, and was considered fully habituated by the seventh encounter. The factors determining this disparity remain unclear, although...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Behavior; Habitat; Habituation; Observation.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600004

Variação espaço-temporal da ictiofauna da zona de arrebentação da Praia do Cassino, Rio Grande do Sul, Brasil
Provedor de dados: 103
Autores: Lima,Mauro Sergio Pinheiro; Vieira,João Paes.
This study analyzes the spatiotemporal variation of the ichthyofauna of the surf zone of Praia do Cassino, municipality of Rio Grande (state of Rio Grande do Sul, Brazil) from October 2005 to September 2006. Fishes were collected monthly and during daytime using a large beach seine net (30 m x 1.8 m, with 12 mm uniform mesh manufactured with monofilament nylon wire). Five hauls were conducted on each of three sampling sites: one near the jetties of Patos Lagoon and two located 5 km and 10 km south from the jetties, respectively. We caught 10,066 fishes, weighting 128,486 g, distributed in 37 species belonging to 18 families that are similar in species composition to the dominant fish fauna - Trachinotus marginatus (Cuvier, 1832), Atherinella brasiliensis...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Beach seine; Fish community; Dominant species; Multivaried analysis; Wave exposition.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300014

A new cecidogenous species of many-plumed moth (Alucitidae) associated with Cordiera A. Rich. ex DC. (Rubiaceae) in the Brazilian Cerrado
Provedor de dados: 103
Autores: Moreira,Gilson R.P.; Pereira,Cristiano M.; Becker,Vitor O.; Specht,Alexandre; Gonçalves,Gislene L.
ABSTRACT Larvae of many-plumed moths (Alucitidae), especially in the world-wide genus Alucita Linnaeus, 1758 are known as borers or gall-inducers on flowers, fruits and shoots of a few dicotyledonous families, including Bignoniaceae, Caprifoliaceae and Rubiaceae. However, there is no study available on the biology of the monotypic, Neotropical genus Prymnotomis Meyrick, 1931 except for its original description that was based on a single male, the holotype of Prymnotomis crypsicroca Meyrick, 1931 from Espirito Santo, Brazil. We describe here a second species for this genus, Prymnotomis cecidicola sp. nov. whose larvae induce galls on Cordiera elliptica (Cham.) Kuntze (Rubiaceae), a dioecious plant with dimorphic inflorescences found in the Brazilian...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Alucitid moths; Brazilian Savanna; Insect galls; Prymnotomis; Taxonomy.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100331

Myxobolus franciscoi sp. nov. (Myxozoa: Myxosporea: Myxobolidae), a parasite of Prochilodus argenteus (Actinopterygii: Prochilodontidae) from the Upper São Francisco River, Brazil, with a revision of Myxobolus spp. from South America
Provedor de dados: 103
Autores: Eiras,Jorge C.; Monteiro,Cassandra M.; Brasil-Sato,Marilia C.
Myxobolus franciscoi sp. nov. (Myxozoa: Myxosporea: Myxobolidae) is described from the "curimatá-pacú" fish, Prochilodus argenteus Spix &amp;amp; Agassiz, 1829 (Actinopterygii: Prochilodontidae) from the Upper São Francisco River, Brazil. This parasite forms whitish plasmodia (about 1 x 1 mm) that develop in the connective tissue of fins. The spores are more or less round in frontal view and ellipsoidal in lateral view, measuring 6.4 (6.0-6.9) µm in length, by 6.0 (5.8-6.4) µm in width and 3.2 µm in thickness. The polar capsules are very small, measuring about 2 µm in length by 1.5 µm in width and ending in a tapered anterior neck. The polar filament makes three turns in a plane at right angles with the longitudinal axis of the spore. Thorough comparisons...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: "Curimatá-pacu"; Freshwater fish; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100020

The activity time of the lesser bamboo bat, Tylonycteris pachypus (Chiroptera: Vespertilionidae)
Provedor de dados: 103
Autores: Zhang,Li-Biao; Wang,Fu-Min; Liu,Qi; Wei,Li.
The activity time of the lesser bamboo bat, Tylonycteris pachypus (Temminck, 1840), was investigated at two observation locations in southern China: Longzhou and Guiping. Two bouts of activity (post dusk and predawn), with an intervening period of night roosting at diurnal roosts, were identified. The period of activity within each bout was usually less than 30 minutes. The activity periods of individuals belonging to the Longzhou population right after dusk and just before dawn lasted longer than those of the the Guiping population. We also found that the nocturnal emergence time of T. pachypus from the Longzhou population happened earlier than in the Guiping population. These findings indicate that the activity time of T. pachypus was quite short at...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Activity period; Emergence; Return; Tylonycteris pachypus.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000300201

Beija-flores (Aves: Trochilidae) e seus recursos florais em uma área de caatinga da Chapada Diamantina, Bahia, Brasil
Provedor de dados: 103
Autores: Machado,Caio Graco.
This study investigated the species of hummingbird occurring in an area of caatinga vegetation, examining their seasonal activities, the assemblages of plants that they used, as well as the floral characteristics and flowering phenology of that vegetation. These surveys were performed in an area of arboreal caatinga in Chapada Diamantina, municipality of Mucugê, state of Bahia, Brazil, during 12 expeditions undertaken on a bi-monthly basis between October, 2005 and August, 2007. Field activities included observations made of the visiting hummingbird species, their behavior, and the frequency of their visits; as well as the plant species visited, their floral attributes, size, and the flowering phenophase evident on the occasion of each expedition. Seven...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Espinhaço range; Ornitophily; Semi-arid.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200008

The influence of behavioral enrichment on dry food consumption by the black tufted-ear marmoset, Callithrix penicillata (Mammalia: Callithricidae): a pilot study
Provedor de dados: 103
Autores: Vilela,Janice de M. V.; Miranda-Vilela,Ana L.; Stasieniuk,Erika Von Z.; Alves,Gabriela M.; Machado,Felipe N.; Ferreira,Walter M.; Saad,Flávia M. de O. B.; Machado,Paulo A. R.; Coelho,Camila C. G. M.; Silva,Natascha A. M. da.
Stereotyped behaviors in captive primates are often caused by unsuitable conditions. Environmental enrichment has been used to reduce these behaviors, and also to increase the frequency of behaviors appropriate to the species. In this pilot study we evaluated whether behavioral enrichment influences food intake by the black tufted-ear marmoset, Callithrix penicillata (É. Geoffroy Saint-Hilaire, 1812), by calculating energy maintenance requirements. We evaluated 16 individually housed, healthy adult black tufted-ear marmosets, randomly divided into two treatment groups, one with behavioral enrichment and one without. The enrichment techniques included structural aspects, such as placing fixed and mobile objects in the cage and supplying dry foods in an...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Animal welfare; Energy; Nutrition; Maintenance.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100001

Systematics of the Neotropical genus Loxozus (Diptera: Neriidae), with notes on distribution and sexual dimorphism
Provedor de dados: 103
Autores: Sepúlveda,Tatiana A.; de Carvalho,Claudio J. B.; Pereira-Colavite,Alessandre.
ABSTRACT The monotypic genus Loxozus Enderlein, 1922 is redescribed. After examining the holotypes of Tetanocera cornuta Walker, 1853 and Loxozus clavicornis Enderlein, 1922, we confirm that these species are synonyms and reiterate that the correct name of the nominal species is Loxozus cornutus (Walker, 1853). The male of L. cornutus is described for the first time and notes on the species’ sexual dimorphism and illustrations of the genitalia are provided, together with distribution data, including new records for Venezuela, Brazil and Peru.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Monotypic; Neotropical; Nerioidea; New records; Taxonomy.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100303

Carbon primary sources and estuarine habitat use by two congeneric ariid catfishes in a subtropical coastal lagoon
Provedor de dados: 103
Autores: Pereyra,Paula E.R.; Mont'Alverne,Renata; Garcia,Alexandre M.
ABSTRACT Although ariid catfishe species are known to use coastal systems during some stages of their life cycles, the energetic contribution of estuarine resources and habitat use by many species in this family are still unclear. We used stable isotope analyses to estimate the assimilation of primary carbon sources and to infer the use of estuarine and freshwater habitats by two ariid catfishes Genidens barbus (Lacepède, 1803) and Genidens genidens (Cuvier, 1829). An isotopic mixing model revealed that juveniles of both catfish species consume considerable amounts of estuarine-produced carbon sources (G. barbus: 54-87% and G. genidens: 36-84%). However, G. genidens adults rely more on freshwater-derived carbon sources (31-77%) than on estuarine sources...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Genidens barbus; Genidens genidens; Isotopic mixing models; Patos Lagoon; Stable isotopes.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000200501

Temporal and spatial investments in the protected area network of a megadiverse country
Provedor de dados: 103
Autores: Cabral,Rodolfo; Brito,Daniel.
Protected area networks are the cornerstone strategy for biodiversity conservation worldwide. They are efficient even in the face of human pressures. Brazil is a megadiverse country and for this reason it should not be left out of discussions on biodiversity conservation. Here we present a temporal and spatial analysis of the historical national investments in the country's protected area network. We compare this investment in the light of international biodiversity agreements (e.g., CBD), and evaluate trends and biases in the establishment of protected areas. We obtained the following data from a database maintained by the Brazilian government: the number of protected areas, the dates when they were established, their size and category (strict protection...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Brazil; Conservation; Policy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200007

On the generic classification of the rattlesnakes, with special reference to the Neotropical Crotalus durissus complex (Squamata: Viperidae)
Provedor de dados: 103
Autores: Wüster,Wolfgang; Bérnils,Renato S.
Tipo: Info:eu-repo/semantics/article
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400001

A review of Parydra (Diptera: Ephydridae) from Brazil
Provedor de dados: 103
Autores: Mathis,Wayne N; Marinoni,Luciane.
Species of the shore-fly Parydra Stenhammar, 1844 from Brazil are reviewed with an emphasis on the fauna from southern Brazil, where one new species, Parydra arcuata sp. nov. - state of Paraná, municipality of Castro (8 km N, 24º45.3'S, 49º58.9'W) -, has been discovered and is herein described. To facilitate identification of species, we have included a diagnosis of the genus. We have also provided illustrations of structures of the male terminalia for all included species.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Neotropical Region; Shore flies; Taxonomy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400012

Histopathology and autoecology of Didymocylindrus simplex (Digenea: Didymozoidae), parasite of Katsuwonus pelamis (Scombridae) in the Southwestern Atlantic Ocean, off South America
Provedor de dados: 103
Autores: Justo,Márcia C. Nascimento; Kohn,Anna; Pereira,Caroline de Souza; Flores-Lopes,Fábio.
Pathological alterations and autoecology of Didymocylindrus simplex in Katsuwonus pelamis (Linnaeus, 1758) in the Southwestern Atlantic Ocean off of South America are presented. This is the first record of the species in the region; the specimens are described. The pathologic changes observed most often were infiltration of lymphocytes and slight fibrosis of the connective tissue surrounding the parasite. The typical aggregated distribution pattern was observed for Didymocylindrus simplex Ishii, 1935. Statistical analysis demonstrated no correlation between the abundance and prevalence of parasites with the total length of the host. The sex of the host does not influence the prevalence and intensity of infection.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Didymozoids; Histopathology; Parasites of fish; Trematoda.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300008

Two new species and new records of Syntrechalea (Araneae: Lycosoidea: Trechaleidae) from Brazil
Provedor de dados: 103
Autores: Silva,Estevam L. C. da; Lise,Arno A.
Currently, nine species of Syntrechalea F.O. Pickard-Cambridge, 1902 are known, six of them occurring in Brazil. In this study, two new species of of this genus are described and illustrated from the states of Amazonas and Tocantins, northern Brazil. Syntrechalea neblina sp.nov. can be distinguished from all known species by the bifurcated guide of the median apophysis. Syntrechalea robusta sp.nov. can be distinguished from all known species by the wider and concave ectal division of the retrolateral tibial apophysis. Additionally, new records of S. adis Carico, 2008, S. brasilia Carico, 2008, S. caporiacco Carico, 2008, S. napoensis Carico, 2008, S. syntrechaloides (Mello-Leitão, 1941) and S. tenuis F.O. Pickard-Cambridge, 1902 are provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Distribution; Neotropical region; Spider; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300013

The puzzling occurrence of the upside-down jellyfish Cassiopea (Cnidaria: Scyphozoa) along the Brazilian coast: a result of several invasion events?
Provedor de dados: 103
Autores: Stampar,Sergio N.; Gamero-Mora,Edgar; Maronna,Maximiliano M.; Fritscher,Juliano M.; Oliveira,Bruno S.P.; Sampaio,Cláudio L.S.; Morandini,André C.
ABSTRACT The massive occurrence of jellyfish in several areas of the world is reported annually, but most of the data come from the northern hemisphere and often refer to a restricted group of species that are not in the genus Cassiopea. This study records a massive, clonal and non-native population of Cassiopea and discusses the possible scenarios that resulted in the invasion of the Brazilian coast by these organisms. The results indicate that this jellyfish might have invaded the Brazilian coast multiple times.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Invasive species; Jellyfish bloom; Medusa; Non-native species.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100324

Effects of habitat and landscape characteristics on medium and large mammal species richness and composition in northern Uruguay
Provedor de dados: 103
Autores: Andrade-Núñez,María José; Aide,T. Mitchell.
The increasing world population and demand for food and other products has accelerated the conversion of natural habitats into agricultural lands, plantations and urban areas. Changes in habitat and landscape characteristics due to land-use change can have a significant effect on species presence, abundance, and distribution. Multi-scale approaches have been used to determine the proper spatial scales at which species and communities are responding to habitat transformation. In this context, we evaluated medium and large mammal species richness and composition in gallery forest (n = 10), grassland (n = 10), and exotic tree plantation (n = 10) in a region where grasslands have been converted into exotic tree plantations. We quantified mammal species...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Conservation; Community; Gallery forest; Grassland; Plantations.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600012

Seasonal habitat selection of the red deer (Cervus elaphus alxaicus) in the Helan Mountains, China
Provedor de dados: 103
Autores: Zhang,Mingming; Liu,Zhensheng; Teng,Liwei.
We studied the seasonal habitat selection of the red deer, Cervus elaphus alxaicus Bobrinskii &amp;amp; Flerov, 1935, in the Helan Mountains, China, from December 2007 to December 2008. Habitat selection varied widely by season. Seasonal movements between high and low elevations were attributed to changes in forage availability, alpine topography, the arid climate of the Helan Mountains, and potential competition with blue sheep, Pseudois nayaur (Hodgson, 1833). The use of vegetation types varied seasonally according to food availability and ambient temperature. Red deer used montane coniferous forest and alpine shrub and meadow zones distributed above 2,000 m and 3,000 m in summer, alpine shrub and meadows above 3,000 m in autumn, being restricted to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Habitat use; Migration; Seasonal movement; Ungulates.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100003

Astyanax taurorum a new species from dos Touros River, Pelotas River drainage, an upland southern Brazilian river (Characiformes: Characidae)
Provedor de dados: 103
Autores: Lucena,Carlos Alberto S. de; Zaluski,Amanda Bungi; Lucena,Zilda Margarete Seixas de.
ABSTRACT A new species of Astyanax belonging to the Astyanax scabripinnis complex is described from dos Touros River, tributary of the Pelotas River, Uruguay River basin. Astyanax taurorum sp. nov. is distinguished from other species of the Astyanax scabripinnis species complex by having two humeral spots, the first vertically elongated; teeth of inner row of premaxilla with three to five cusps; 2-3 (modes 2 or 3) maxillary teeth; 20-23 (mode 22) branched anal-fin rays; 13-15 (mode 14) gill rakers on lower branch of the first branchial arch; 20-23 (mode 21) total gill rakers in first branchial arch; 33-36 (mode 35) perforated lateral line scales. Astyanax taurorum sp. nov. is similar to Astyanax paris; nevertheless, it can be readily distinguished from it...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Taxonomy; Rio Grande do Sul; Uruguay River; Distribution.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100326

More than just invisible inhabitants: parasites are important but neglected components of the biodiversity
Provedor de dados: 103
Autores: Rocha,Carlos Frederico Duarte; Bergallo,Helena Godoy; Bittencourt,Emerson Brum.
Tipo: Info:eu-repo/semantics/other
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000300201

A new species of Oeda (Hemiptera: Membracidae: Stegaspidinae) from Madre de Dios, Peru
Provedor de dados: 103
Autores: Sakakibara,Albino M.
A new species of Oeda Amyot &amp;amp; Serville, 1843 - Oeda (Oeda) mielkei sp. nov. from Peru, Madre de Dios, 12°52'S, 71°22'W - is described. It differs from the other species of O. (Oeda) in having the inflated pronotal process more elongate, and amber color; the suprahumeral horns are much more developed, club-shaped, about as long as the width of head, forming an arch with the tips touching each other; the metopidium, in lateral view, is almost vertical above head. A key, including images of all species (except O. mirandai Fonseca) are also provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorryncha; Description; Stegaspidini; Taxonomy treehopper.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000600004

Environmental parameters affecting the structure of leaf-litter frog (Amphibia: Anura) communities in tropical forests: a case study from an Atlantic Rainforest area in southeastern Brazil
Provedor de dados: 103
Autores: Siqueira,Carla C.; Vrcibradic,Davor; Nogueira-Costa,Paulo; Martins,Angele R.; Dantas,Leonardo; Gomes,Vagner L. R.; Bergallo,Helena G.; Rocha,Carlos Frederico D.
Despite a recent increase of information on leaf litter frog communities from Atlantic rainforests, few studies have analyzed the relationship between environmental parameters and community structure of these animals. We analyzed the effects of some environmental factors on a leaf litter frog community at an Atlantic Rainforest area in southeastern Brazil. Data collection lasted ten consecutive days in January 2010, at elevations ranging between 300 and 520 m above sea level. We established 50 quadrats of 5 x 5 m on the forest floor, totaling 1,250 m² of sampled area, and recorded the mean leaf-litter depth and the number of trees within the plot, as well as altitude. We found 307 individuals belonging to ten frog species within the plots. The overall...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Frog richness; Density estimates; Environmental factors.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000200005

Description of the male of Pozonia bacillifera (Araneae: Araneidae)
Provedor de dados: 103
Autores: Magalhães,Ivan Luiz Fiorini de; Santos,Adalberto J.
Pozonia Schenkel, 1953 is a genus of Neotropical orb-weaving spiders that currently includes four species, three of which are known only from females. In this paper, the male of Pozonia bacillifera (Simon, 1897) is described and illustrated for the first time, based on a specimen from Nova Lima, state of Minas Gerais, Brazil. It differs from the male of P. nigroventris (Bryant, 1936), the only other known male of the genus, in characters of the genitalia, such as the larger embolus and the smaller ventral lobe of the paracymbium, as well as in the shape of the sternum. This represents the first record of P. bacillifera for the region
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Neotropical region; Spider; Orb-weaver; Taxonomy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100015

Community structure and population dynamics of small mammals in an urban-sylvatic interface area in Rio de Janeiro, Brazil
Provedor de dados: 103
Autores: Gentile,Rosana; Cardoso,Thiago S.; Costa-Neto,Sócrates F.; Teixeira,Bernardo R.; D’Andrea,Paulo S.
ABSTRACT The Atlantic Forest is one of the most disturbed Brazilian biomes, with 183 out of 298 species of mammals occurring in the state of Rio de Janeiro. In this study, we aimed to characterize the diversity, community structure, and habitat use of small mammals in the FIOCRUZ Atlantic Forest Campus (CFMA), including areas of Pedra Branca State Park (PBSP, subunit Pau da Fome), state of Rio de Janeiro. We also compared species diversity and composition between two moments 15 years apart (2001 and 2012-2015) and analyzed the population dynamics of the marsupial Didelphis aurita (Wied-Neuwied, 1826). Small mammal captures were made in different habitats: sylvatic-urban interface areas near human dwellings, disturbed forest, and preserved forest areas....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Diversity; Habitat disturbance; Marsupials; Rodents.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100323

A new species and a new record of Nesticus from southeastern Brazil (Araneae: Nesticidae)
Provedor de dados: 103
Autores: Faleiro,Bárbara T.; Santos,Adalberto J.
A new species of Nesticus is described based on specimens collected during a structured inventory of the Reserva Particular do Patrimônio Natural Mata Samuel de Paula, state of Minas Gerais, Brazil. Nesticus ivone sp. nov. can be recognized by the paracymbium of the male palpus with three not hooked processes, and by the presence of a central vulval plate in the female epigynum. Additionally, a new record is presented for Nesticus taim Ott &amp;amp; Lise, 2002, extending the known distribution range of this species northwards.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Minas Gerais; Taxonomy; Spider; Nesticus taim.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200014

New or little known demosponges (Porifera) from Espírito Santo coast and seamounts (Brazil)
Provedor de dados: 103
Autores: Hajdu,Eduardo; Teixeira,Jessica N.
Phorbas capixaba sp. nov. is described from 54 m depth off Guarapari, diagnosed by its two clear-cut categories of isochelae from Phorbas spp. known from the Western Tropical Atlantic. Four nomina nova are proposed for homonyms in Phorbas spp.: P. bergmontae nom. nov. for P. areolatus Bergquist &amp;amp; Fromont, 1988, preoccupied by P. areolatus (Thiele, 1905); P. burtoni nom. nov. for P. arborescens sensu (Burton, 1956), preoccupied by P. arborescens (Ridley, 1884); P. hechteli nom. nov. for P. ramosus (Hechtel, 1983), preoccupied by P. ramosus (Lendenfeld, 1888; in part - composite species); P. tanitai nom. nov. for P. purpureus (Tanita, 1961), preoccupied by P. purpureus (Carter, 1886). Three little known species are redescribed: Aplysina alcicornis...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Checklist; Hymedesmiidae; Nomen novum; Phorbas capixaba sp. nov.; Program REVIZEE.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200013

Reproductive biology of the mullet Mugil liza (Teleostei: Mugilidae) in a tropical Brazilian bay
Provedor de dados: 103
Autores: Albieri,Rafael J.; Araújo,Francisco G.
The reproductive biology of Mugil liza Valenciennes, 1836 is described as a contribution to an elaborate management programm. A total of 243 specimens (89 males and 154 females) were collected in the Sepetiba Bay in south-eastern Brazil from July/2006 to June/2007. The gonadosomatic index (I G) and the sequential development of the ovaries observed through histological studies suggested that the spawning season ranged from May to August. The population reached total sexual maturity (L T100) at 550 and 570 mm total length (L T) for males and females, respectively. Females attained a larger size than males, and the sex ratio was female-biased for fish larger than 500 mm L T. The hepatosomatic index (I H) was significantly related to the I G, indicating that...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hepatosomatic index; Oocyte development; Spawning; Stock conservation.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300003

The spatial distribution of the subtidal benthic macrofauna and its relationship with environmental factors using geostatistical tools: a case study in Trapandé Bay, southern Brazil
Provedor de dados: 103
Autores: Souza,Fernanda M. de; Gilbert,Eliandro R.; Camargo,Maurício G. de; Pieper,Wagner W.
Modeling the distribution patterns of the estuarine macrobenthic community has revealed itself as a difficult task due to spatio-temporal heterogeneity. This study uses ordinary kriging and Poisson modeling to generate distribution maps of the subtidal benthic macrofauna in the Trapandé Bay (southeastern Brazil). Samples were taken in duplicate from 36 locations distributed along nine transects perpendicular to the main estuarine axis in October 2006 and March 2007. One-hundred and seventy taxa belonging to 12 phyla, were identified, with dominance of Annelida Polychaeta. Distribution maps were prepared to illustrate the total density, the number of species and the six most numerous taxa, as well as abiotic parameters. The general distribution pattern has...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cananeia; Kriging; Macrobenthic.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100007

Revisão das espécies sul-americanas de Rhopalophora (Coleoptera: Cerambycidae)
Provedor de dados: 103
Autores: Napp,Dilma Solange.
Rhopalophora Audinet-Serville, 1834 is currently composed of 25 species with a distribution ranging from North to South America. Only nine of them were described from South America and have been recorded exclusively from this continent. The North and Central American species were revised by GIESBERT &amp;amp; CHEMSAK (1993); the South American species, on the other hand, still remain with their descriptions fragmented in different publications that date from 1824 to 1989.The purposes of this work are to redescribe the genus, to gather information on the South American species, to provide updated and standardized descriptions, illustrations, and an identification key, in order to complement that of GIESBERT &amp;amp; CHEMSAK (1993). The following species...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cerambycinae; Rhopalophorini; South America; Taxonomy.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200019

Birds from open environments in the caatinga from state of Alagoas, northeastern Brazil
Provedor de dados: 103
Autores: Araujo,Helder Farias Pereira de; Rodrigues,Roberta Costa.
Even though the caatinga has been identified as an important area of endemism for South American birds, few studies have been conducted on the distribution, evolution and ecology of birds in this biome. Understanding how habitats contribute to maintain the regional bird diversity is extremely important. In this study, carried out in the backwoods of the state of Alagoas, we present a rapid survey of a caatinga area and discuss the composition of the avifauna in different habitats. From the record of 105 species, we estimated a local richness of 120 (± 5) species. Among the areas surveyed, the dense caatinga shrub areas contributed with more than 42% of the species, holding most of the forest-dependent birds. The open field areas and the vegetation patches...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Avifauna; Conservation; Habitat preference; Species richness.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500011

Habitat selection and maturation of Saccocoelioides nanii (Digenea: Haploporidae) in Prochilodus argenteus (Actinopterygii: Prochilodontidae) from the São Francisco River, Brazil
Provedor de dados: 103
Autores: Monteiro,Cassandra M.; Brasil-Sato,Marilia C.
This work examined the possible preference of Saccocoelioides nanii Szidat, 1954 for the three major intestinal portions of Prochilodus argenteus Agassiz, 1829 and statistically evaluated whether the river water level dynamic interfered in the parasite's ecological parameters and in its transmission to the definitive host. One-hundred-fifty specimens of P. argenteus were collected in July, 2003 (dry season) and in January, 2004 (rainy season) in the upper São Francisco River, State of Minas Gerais, Brazil. Of the 150 hosts, 96 (64%) were parasitized by S. nanii. The mean intensity and abundance were 32.6 ± 34.8 and 20.8 ± 31.9, respectively, and the range of infection intensity was from 1 to 177. The abundance of S. nanii was higher in the middle intestine...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Niche; Parasite ecology; São Francisco Basin.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500013

A new species of Mucrosomia (Collembola: Isotomidae) from Brazil
Provedor de dados: 103
Autores: Mendonça,Maria Cleide de; Queiroz,Gabriel Costa.
A new species of Collembola, Mucrosomia alticola sp. nov., is described and illustrated based on material from "Parque Nacional da Serra dos Órgãos" (State of Rio de Janeiro) and from "Parque Nacional da Serra do Caparaó" (State of Minas Gerais). This is the first record of a species of Mucrosomia for Brazil. The genus has, up to date, only three species and can be diagnosed by the absence of eyes and pigmentation, PAO present, tenent hair pointed, Abd V and VI fused, manubrium with 1+1 chaetae on anterior side, long dens and a remarkable mucro with five teeth. The presence of chaetae on ventral thorax, between segments II-III, supports the new species.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anurophorinae; Diversity; Neotropics; Taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200012

Cytogenetics of Imparfinis schubarti (Siluriformes: Heptapteridae) from the Piumhi drainage, a diverted river in Minas Gerais State, Brazil
Provedor de dados: 103
Autores: Kantek,Daniel L. Z.; Peres,Wellington A. M.; Buckup,Paulo A.; Moreira-Filho,Orlando.
Specimens of Imparfinis schubarti (Gomes, 1956) collected in the Piumhi river drainage, state of Minas Gerais, Brazil, were studied cytogenetically. The river was diverted from the Rio Grande Basin into the São Francisco basin in the early 1960s. All individuals presented 2n = 58 chromosomes, including 18 metacentric, 34 submetacentric and six subtelocentric chromosomes. A secondary constriction was observed in the interstitial region of the long arm of the largest chromosome pair, coinciding with the NOR. A single conspicuous heterochromatic block located in the largest pair of metacentric chromosomes was observed, adjacent to the secondary constriction. A detectable 18S rDNA probe hybridization region occurs in only one chromosome pair and is synthenic...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Transposed river; Subclade nemuroglanis; FISH; São Francisco River Basin.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400018

On the habitat use of the Neotropical whip spider Charinus asturius (Arachnida: Amblypygi)
Provedor de dados: 103
Autores: Segovia,Júlio M.G.; Neco,Lúcia C.; Willemart,Rodrigo H.
ABSTRACT The non-random occupation of habitats is termed habitat selection. Some species of whip spiders select trees with burrows at their base, while others use substrates such as rocks. Here, we investigated the habitat use by Charinus asturius Pinto-da-Rocha, Machado &amp; Weygoldt, 2002, an endemic species of Ilhabela Island in Brazil. We found that C. asturius is more likely to be found under rocks that cover larger areas of substrate. Our results also suggest the existence of territorialism in C. asturius and show that C. asturius adults may be found again on the same rock a week later. Additionally, our data show that C. asturius is present in a greater area of Ilhabela than previously documented.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amblypygids; Natural history; Shelter.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100315

Is the spider a good biological control agent for Plutella xylostella (Lepidoptera: Plutellidae)?
Provedor de dados: 103
Autores: Huang,Xuan; Quan,Xiaoyu; Wang,Xia; Yun,Yueli; Peng,Yu.
ABSTRACT Spiders, as predators of insects and other invertebrates, are an important part of the natural enemies, and they are recognized as an important biological control agent. Plutella xylostella (Linnaeus, 1758), the diamondback moth (DBM), is a well-known and destructive insect pest of brassicaceous crops worldwide. Here, we analyzed the functional responses of four spiders (Araneae) - Ebrechtella tricuspidata (Fabricius, 1775) (Thomisidae), Pardosa laura (Karsch, 1879) (Lycosidae), Pardosa astrigera (Koch, 1878) (Lycosidae), and Pardosa pseudoannulata (Bösenberg &amp; Strand, 1906) (Lycosidae) - on P. xylostella larvae. We also analyzed intraspecific disturbances in the predation reaction and the intensity of scrambling competition of the spiders to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diamondback moth; Ebrechtella tricuspidata; Pardosa laura; Pardosa astrigera; Pardosa pseudoannulata; Predation.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100333

Food niche overlap between two sympatric leaf-litter frog species from Central Amazonia
Provedor de dados: 103
Autores: Sabagh,Leandro Talione; Mello,Renata da Silva; Rocha,Carlos Frederico Duarte.
We studied the feeding habits and similarities in the diet of two sympatric and syntopic Amazonian frog species, Anomaloglossus stepheni (Aromobatidae) and Leptodactylus andreae (Leptodactylidae) in a forested area in Central Amazonia. The breadth of the trophic niche of these species was 5.89 and 3.75, respectively, and approximately 85% of their diets were similar. Ants were main food item in the diets of both frog species. The coexistence between these frog species may be facilitated by the significant differences in the size of their mouths. This difference allows them to consume preys items of different sizes.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anura; Anomaloglossus stepheni; Leptodactylus andreae; Trophic niche; Feeding habits; Life in sympatry.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100013

Ontogenesis and functional morphology of the digestive system of the freshwater prawn, Macrobrachium amazonicum (Decapoda: Palaemonidae)
Provedor de dados: 103
Autores: Queiroz,Luciano D.; Abrunhosa,Fernando A.; Maciel,Cristiana R.
The appropriate feeding regime for larvae and post-larvae of crustacean decapods is essential for successful larval culture. Reports on the development and morphology of the mouthparts and foregut of these crustaceans have aided in the selection of appropriate larval foodstuffs and consequently increased larval survival and growth rate during development. In the present study, the functional morphology of foregut and mouthparts was investigated in larvae and post-larvae of the freshwater prawn M. amazonicum (Heller, 1862). From observations gathered on both the outer and inner feeding apparati the first stage larvae have obligatory lecithotrophy and feeding behaviour is initiated after molting to the second stage. The foregut of the larvae undergoes...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Foregut; Larval development; Mouthparts; Neotropical species.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300014

Morphological evidence for the taxonomic status of the Bridge’s Guan, Penelope bridgesi, with comments on the validity of P. obscura bronzina (Aves: Cracidae)
Provedor de dados: 103
Autores: Evangelista-Vargas,Oscar Diego; Silveira,Luís Fábio.
ABSTRACT Penelope obscura Temminck, 1815 is a forest guan found in Brazil, Paraguay, Uruguay, Argentina and Bolivia. Three subspecies are currently recognized: Penelope o. obscura Temminck, 1815, P. o. bridgesi Gray, 1860, and P. o. bronzina Hellmayr, 1914. The limits between Penelope taxa are poorly understood since few studies have evaluated their differences in plumage, distribution and taxonomy. Based on 104 specimens deposited in ornithological collections we studied the variations in the plumage of P. obscura, including all characters that have been used to describe the included subspecies. Our results show that the plumage of these birds is extremely variable in southern and southeastern Brazil. Without any morphological and morphometric characters...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Distribution; Morphology; Penelope; Taxonomy.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100317

On the Brazilian Amazonian species of Acanthoscurria (Araneae: Theraphosidae)
Provedor de dados: 103
Autores: Paula,Felipe dos S.; Gabriel,Ray; Indicatti,Rafael P.; Brescovit,Antonio D.; Lucas,Sylvia M.
In this study the Brazilian Amazonian species of Acanthoscurria Ausserer, 1871 are redescribed: A. geniculata (C.L. Koch, 1841), A. tarda Pocock, 1903, A. juruenicola Mello-Leitão, 1923, A. theraphosoides (Doleschall, 1871). Acanthoscurria simoensi Vol, 2000 and A. insubtilis Simon, 1892, previously known from French Guyana and Bolivia, respectively, are recorded for Brazil by the first time. The females of these two species are described for the first time and a new species, A. belterrensis sp. nov., is described from Belterra, Pará, Brazil. In addition, four synonymies are established: A. transamazonica Piza, 1972 as junior synonym of A. geniculata; A. ferina Simon, 1892 and A. brocklehursti F.O.P.-Cambridge, 1896 of A. theraphosoides; and A. xinguensis...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mygalomorphae; New species; Taxonomy; Theraphosinae; Spiders.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000100008

Seasonal variation of epiphytic hydroids (Cnidaria: Hydrozoa) associated to a subtropical Sargassum cymosum (Phaeophyta: Fucales) bed
Provedor de dados: 103
Autores: Cunha,Amanda Ferreira; Jacobucci,Giuliano Buzá.
Hydroids are broadly reported in epiphytic associations from different localities showing marked seasonal cycles. Studies have shown that the factors behind these seasonal differences in hydroid richness and abundance may vary significantly according to the area of study. Seasonal differences in epiphytic hydroid cover and richness were evaluated in a Sargassum cymosum C. Agardh bed from Lázaro beach, at Ubatuba, Brazil. Significant seasonal differences were found in total hydroid cover, but not in species richness. Hydroid cover increased from March (early fall) to February (summer). Most of this pattern was caused by two of the most abundant species: Aglaophenia latecarinata Allman, 1877 and Orthopyxis sargassicola (Nutting, 1915). Hydroid richness seems...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Epibionts; Hydroid cover; Hydrozoans.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600016

A safe place for amphibians? A cautionary tale on the taxonomy and conservation of frogs, caecilians, and salamanders in the Brazilian Amazonia
Provedor de dados: 103
Autores: Peloso,Pedro Luiz Vieira.
Tipo: Info:eu-repo/semantics/other
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500001

Escapes of non-native fish from flooded aquaculture facilities: the case of Paranapanema River, southern Brazil
Provedor de dados: 103
Autores: Casimiro,Armando César Rodrigues; Garcia,Diego Azevedo Zoccal; Vidotto-Magnoni,Ana Paula; Britton,John Robert; Agostinho,Ângelo Antônio; Almeida,Fernanda Simões de; Orsi,Mário Luís.
ABSTRACT Non-native species are a major driver of biodiversity loss. Aquaculture activities play a key role in introductions, including the escape of fishes from fish farm facilities. Here, the impact of flooding due to El Niño rains in 2015/2016 in the Lower and Middle Paranapanema River basin, southern Brazil, was investigated by evaluating fish escapes from 12 fish farms. The flooding resulted in the escape of approximately 1.14 million fishes into the river, encompassing 21 species and three hybrids. Non-native species were the most abundant escapees, especially Oreochromis niloticus (Linnaeus, 1758) and Coptodon rendalli (Boulenger, 1897) (96% of all fish). Only seven native fishes were in the escapee fauna, comprising 1% of all fish. Large floods,...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Biological invasion; Climate change; Fish farming; Paraná River; Propagule pressure.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100504

Zooplankton capturing by Nile Tilapia, Oreochromis niloticus (Teleostei: Cichlidae) throughout post-larval development
Provedor de dados: 103
Autores: Ibrahim,Adriana N.A. Fattah; Noll,Maria S.M. Castilho; Valenti,Wagner C.
ABSTRACT The Nile tilapia, Oreochromis niloticus (Linnaeus, 1758), uses filter feeding and visual predation to catch prey. In filter feeding, the mucus secreted in their gill rakers traps planktonic organisms. In visual predation, the fish spot and capture food, eating it directly. At different ontogenetic stages, the Nile tilapia may impact the zooplankton community differently, since it changes how it captures its prey. The objective in this study was to verify which zooplankton groups contribute to the diet of O. niloticus at the post-larval stage, and if the way they capture food may determine prey size. We evaluated the diet of Nile tilapia kept in ponds for four months. We randomly removed one fish per pond every month. Stomach contents and gills of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Filtration; Microcrustaceans; Predation; Rotifers.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600469

A review of the Neotropical species of the shore-fly genera Orasiopa and Pectinifer (Diptera: Ephydridae)
Provedor de dados: 103
Autores: Mathis,Wayne N.; Costa,Daniel N.R.; Marinoni,Luciane.
ABSTRACT Species of two genera of the tribe Discocerinini from the Neotropics are reviewed with an emphasis on the fauna from Brazil. The two species, Orasiopa (Reymontopa ) mera (Cresson, 1939) and Pectinifer aeneus (Cresson, 1918), are described, illustrated and new occurrence data are provided. Phylogenetic relationships of these two genera into the tribe are discussed. To facilitate identification of these species, we have included diagnoses of the Discocerinini and both genera and have also provided an annotated key to the New World genera in this tribe. We have also provided illustrations, photographs, and scanning electron micrographs of external structures and of structures of the male terminalia for included species.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Neotropical Region; Shore flies; Discocerinini; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000303001

A new species of Quinquelaophonte (Copepoda: Harpacticoida) from Argentina
Provedor de dados: 103
Autores: Sciberras,Michel; Bulnes,Verónica Natalia; Cazzaniga,Néstor J.
Quinquelaophonte aestuarii sp. nov. (Copepoda, Harpacticoida) from Bahía Blanca estuary is the first record of Quinquelaophonte Wells, Hicks &amp;amp; Coull, 1982 in Argentina and its southernmost location in the world. The setal formula (P2: exopod 1.2.3-endopod 1.2.0; P3: exopod 1.2.3-endopod 2.2.1; P4: exopod 1.2.3-endopod 1.2.0) of the last segment of P2-P4, in both the exopod and the endopod, distinguishes this species from all known species in Quinquelaophonte, except for Quinquelaophonte varians Bjornberg, 2010. The new species differs from the latter in the setal formula of the antennule, the mouth parts and maxillipeds, the absence of an inner seta on the second exopod segment of P2, the length of the second exopod segment of P4 and in the shape...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Buenos Aires province; Laophontidae; Meiofauna; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500010

Density and richness of leaf litter frogs (Amphibia: Anura) of an Atlantic Rainforest area in the Serra dos Órgãos, Rio de Janeiro State, Brazil
Provedor de dados: 103
Autores: Siqueira,Carla C.; Vrcibradic,Davor; Almeida-Gomes,Mauricio; Borges-Junior,Vitor N. T.; Almeida-Santos,Patrícia; Almeida-Santos,Marlon; Ariani,Cristina V.; Guedes,Diego M.; Goyannes-Araújo,Pablo; Dorigo,Thiago A.; Van Sluys,Monique; Rocha,Carlos F. D.
Data on species composition, richness, and density are presented for the leaf litter frog assemblage of an area of Atlantic Rainforest at the Serra dos Órgãos mountain range, in the state of Rio de Janeiro, southeastern Brazil. Three sampling methods were used: plot sampling, visual encounter surveys, and pitfall traps. The local assemblage of leaf litter frogs was composed of 16 species, with the direct-developing species, Euparkerella brasiliensis (Parker, 1926), being the most abundant. The estimated density of the local leaf litter frog assemblage based on plot sampling was 17.1 ind/100 m² and the estimated overall leaf litter frog mass was 684.2 g/ha. The estimated density of leaf litter frogs at the present study is the highest currently reported for...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibian survey; Relative abundance; Tropical forest.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100015

Taxonomic review of Berthella and Berthellina (Gastropoda: Pleurobranchoidea) from Brazil, with description of two new species
Provedor de dados: 103
Autores: Alvim,Juliana; Pimenta,Alexandre Dias.
ABSTRACT Berthella currently comprises five valid species recorded from the western Atlantic, of which only Berthella agassizii (MacFarland, 1909) and Berthella stellata (Risso, 1826) have been recorded from Brazil. Two species of Berthellina occur in Brazil: Berthellina quadridens (Mörch, 1963) and Berthellina circularis (Mörch, 1863); however, based on a literature review and the anatomical study presented here, we only recognize B. circularis as occurring in the country. This study gives a detailed re-description of B. agassizii, B. stellata and B. circularis based on material from Brazil, and adds two new species to the genus, from the Brazilian coast, Berthella punctata sp. nov. and Berthellina ignis sp. nov. Berthellina circularis and B. quadridens...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Berthella punctata sp. nov.; Berthellina ignis sp. nov.; Pleurobranchidae; Western Atlantic.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600497

Influence of season, environment and feeding habits on the enzymatic activity of peptidase and β-glucosidase in the gastrointestinal tract of two Siluriformes fishes (Teleostei)
Provedor de dados: 103
Autores: Duarte,Silvana; Paiva,Marco A. R.; Lara,Camila C.; Bemquerer,Marcelo P.; Araújo,Francisco Gerson.
The enzymatic activities involved in the digestion of proteins and carbohydrates were compared among three organs of the digestive track of two Siluriformes fish species, and between two areas: a reservoir, and an area downriver of it. Our aim was to test the hypothesis that the digestive organs of species with varied feeding habits have different enzymatic activities, and that the enzymatic activity differs among seasons and environmental conditions. The iliophagous/herbivorous species Hypostomus auroguttatus Kner, 1854 had higher trypsin-like, chymotrypsin-like peptidase and β-glucosidase activity in the intestine when compared with the omnivorous species Pimelodus maculatus Lacepède, 1803, whereas the latter had more hepatic trypsin-like activity than...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Enzymatic activity; Fishes; Physiology; Reservoirs; Siluriformes; Peptidases; Β-glucosidase.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300006

Gender-related diet composition and morphometry of the Restinga Antwren, Formicivora littoralis (Aves: Thamnophilidae)
Provedor de dados: 103
Autores: Chaves,Flávia G.; Alves,Maria Alice S.
Formicivora littoralis (Gonzaga and Pacheco, 1990), the Restinga Antwren, considered the only endemic bird species of the Restinga ecosystem (sandy plain coastal vegetation), is threatened with extinction. The scientific literature provides little information on the biology of this bird, which was discovered in 1990. We evaluate gender-related differences in the composition of the diet and morphometric measurements of this species. We tested the hypothesis that the sexes differ in what they eat and in morphometric characters. Our results revealed that the diet of the Restinga Antwren includes mainly arthropods, which is consistent with the diets of other Thamnophilidae. The lack of differences in the composition of the diet between the sexes does not...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arthropods; Food items; Intraspecific variation; Morphometry; Restinga ecosystem.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600003

Braga cigarra comb. nov. for Philostomella cigarra (Crustacea: Isopoda: Cymothoidae) with a redescription of the species based on specimens from Galeocharax kneri, a freshwater fish of Minas Gerais State, Brazil
Provedor de dados: 103
Autores: Thatcher,Vernon E.; Oliveira,Antonio A. N. de; Garcia,Adriana M.
Specimens of a cymothoid isopod from a freshwater fish of Minas Gerais State were studied. These were found to be morphologically comparable to Philostomella cigarra Szidat &amp;amp; Schubart, 1960, except for having multilaminate pleopods which is the distinguishing characteristic of the genus Braga Schiödte &amp;amp; Meinert, 1881. The first pleopod is bilaminate while the second is quadrilaminate. Pleopods three to five are trilaminate. It is herein proposed that the generic name Philostomella Szidat &amp;amp; Schubart, 1960, should be considered invalid and that the species P. cigarra should be transferred to Braga. Braga now contains eight species, including B. cigarra comb. nov., all from South American freshwater fishes. The principal difference...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cymothoid; Freshwater fish parasite; South America.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100021

Misplaced Neotropical Agaristinae (Lepidoptera, Noctuidae), with descriptions of new taxa
Provedor de dados: 103
Autores: Becker,Vitor O.
The following taxa, formerly misplaced, are transferred to Agaristinae based on characters of genitalia and, especially, on the presence of a prominence on the frons of head, a character absent in the Arctiinae: Acyclania Dognin, 1911, Chlanidophora Berg, 1877 and Graphelysia Hampson, 1911 from the Arctiinae; Cyanohypsa Giacomelli, 1911 from the Pericopinae [= Pericopini]; Oxytaphora Dyar, 1917 from the Amphipyrinae; Cabralia judsoni Schaus, 1933 from the Ophiderinae [= Catocalinae] to Rhosus Walker, 1854 [= Rhosus judsoni (Schaus) comb. nov.]; Caularisia gen. nov. is proposed to include C. zikani (Schaus, 1933) comb. nov.; Gerra radiata sp. nov. is described from Brazil; Caridarctia Hampson, 1901 syn. nov. [= Chlanidophora Berg]; Chlanidophora mariae...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arctiinae; Amphipyrinae; Catocalinae; Pericopini; New taxa.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400009

A revision of Neodiplothele (Araneae: Mygalomorphae: Barychelidae)
Provedor de dados: 103
Autores: Gonzalez-Filho,Hector M.O.; Lucas,Sylvia M.; Brescovit,Antonio D.
The Neotropical Sasoninae Neodiplothele Mello-Leitão, 1917 is revised and now includes eight species. Neodiplothele can be distinguished from other Sasoninae by the absence of the posterior median spinnerets and differs Neotropical relatives as Cosmopelma by the absence of cuspules on coxae of leg I and Paracenobiopelma by the absence of cuspules on the labium. The male of N. irregularis Mello-Leitão, 1917 and N. picta Vellard, 1924 are described and illustrated for the first time. Neodiplothele leonardosi Mello-Leitão, 1939 is considered a junior synonym of N. irregularis. Five new species are described from Brazil: N. aureus sp. nov. from the states of Ceará, Rio Grande do Norte, Paraíba, and Minas Gerais, N. itabaiana sp. nov. from Sergipe, N. martinsi...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Natural history; Neotropical region; Sasoninae; Taxonomy; Trapdoor spider.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000300225

Growth and mortality rates of yellowfin tuna, Thunnus albacares (Perciformes: Scombridae), in the eastern and central Pacific Ocean
Provedor de dados: 103
Autores: Zhu,Guoping; Xu,Liuxiong; Dai,Xiaojie; Liu,Wei.
Age and growth parameters were estimated for the yellowfin tuna Thunnus albacares (Bonnaterre, 1788). Atotal of 443 individuals were sampled from China longline fisheries in the eastern and central Pacific Ocean from February to November 2006. The von Bertalanffy growth parameters were estimated at L∞ = 175.9 cm fork length, k = 0.52 year-1, and t0 = 0.19 year. The total mortality rate (Z) was estimated to be from 1.19 to 1.93 year-1, the fishing mortality (F) and the natural mortality (M) were calculated to be 0.91 year-1 and 0.65 year-1, respectively. The rate of exploitation (U) was estimated to be 0.46. This study provides estimates of growth and mortality rate for yellowfin tuna in the eastern and central Pacific Ocean, which may be used as biological...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biological parameters; Size frequency analysis; Yellowfin tuna.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200007

Study on the population structure of the paradoxical frog, Pseudis bolbodactyla (Amphibia: Anura: Hylidae), using natural markings for individual identification
Provedor de dados: 103
Autores: Ramalho,Werther P.; Jorge,Rafael F.; Baiocchi,Leandro B.; Peña,Alfredo P.; Pires,Ricardo A. P.
The goal of this study was to assess the population structure of Pseudis bolbodactyla Lutz, 1925 using natural markings to identify individuals. Recruitment, survival, and population size estimations were obtained using the Jolly-Seber stochastic method. A total of 166 individuals were captured, and the striped, spotted, and dotted patterns that make their recognition possible were recorded. Of the specimens captured, 27 were recaptured, including some at pre and post-metamorphic stages. The estimate maximum population size was 52. The indices of survival and recruitment varied among samplings. Sexual dimorphism in size and in the operational sex ratio were detected. Despite the limited scope of our characterization of the P. bolbodactyla population, our...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibian; Capture-recapture; Cerrado; Photograph; Estimate.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600006

Estimation of dry mass of caddisflies Phylloicus elektoros (Trichoptera: Calamoceratidae) in a Central Amazon stream
Provedor de dados: 103
Autores: Martins,Renato T.; Melo,Adriano S.; Gonçalves Jr,José F.; Hamada,Neusa.
Aquatic invertebrate biomass estimations are often important in ecological and biological studies. Biomass may be determined by regression models between body and case dimensions and dry mass. Using linear, exponential and power regressions we analyzed the relationship between body and case dimensions and the biomass of Phylloicus elektoros Prather, 2003. Furthermore, we used cross-validation to evaluate the predictions of our models and of the models developed for Phylloicus sp. from southeastern Brazil. We measured four body dimensions (head capsule width, interocular distance, body and pronotum length) of 152 larvae and two case dimensions (width and length) of 45 cases. Case width provided better fit with biomass than case length in all model classes....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aquatic insects; Allometric relationship; Biomass; Body dimensions; Case dimensions.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400005

Morphological study of the gastrointestinal tract of the snow trout, Schizothorax esocinus (Actinopterygii: Cypriniformes)
Provedor de dados: 103
Autores: Bhat,Mohd Y.; Channa,Ashok; Paray,Bilal A.; Al-Sadoon,Mohammed K.; Rather,Irfan A.
ABSTRACT The present study aimed to investigate the macroscopic structure of the gastrointestinal tract (GIT) of Schizothorax esocinus Heckel, 1838. The surface architecture of the buccopharynx, oesophagus and the entire intestinal tract of S. esocinus has been examined under scanning electron microscope (SEM) after fixing in 2.5% glutaraldehyde buffered with 0.1 M sodium cacodylate at pH 7.3 for 18-48 hours and post-fixation for two hours at room temperature in 1% osmium tetra oxide buffered at pH 7.3 with 0.1 M cacodylate. The mucosal surface of buccopharynx, esophagus, intestinal bulb, and intestine reveal prominent longitudinal major or primary mucosal folds which are further subdivided into the series of irregular and well-circumscribed folds called...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Buccopharynx; Esophagus; Intestinal tract.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100328

Biological information of Taunayia bifasciata (Siluriformes: Heptapteridae): a threatened and unknown catfish
Provedor de dados: 103
Autores: Rondineli,Giulianna; Carmassi,Alberto Luciano; Braga,Francisco Manoel de Souza.
Taunayia bifasciata (Eigenmann &amp;amp; Norris, 1900) is a small catfish that inhabits headwater streams of the Tietê and Paraíba do Sul river basins, southeastern Brazil, being restricted to the Atlantic rain forest. The species is found on lists of threatened species of Brazil and the state of São Paulo. Despite that, there is no literature information about the biology of the species. In the present study we endeavored to collect data on the biology of T. bifasciata. A total of 37 specimens were captured in two streams, Piracuama and Oliveiras. Of those, 22 were females, 14 were males and 1 specimen was immature. Adults with mature gonads were captured in all samples excepting the last, suggesting that T. bifasciata has a long reproductive season. The...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Diet; Fecundity; Population structure; Reproductive season; Eastern Serra da Mantiqueira.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400018

How do males of Hypsiboas goianus (Hylidae: Anura) respond to conspecific acoustic stimuli?
Provedor de dados: 103
Autores: Morais,Alessandro R.; Siqueira,Mariana N.; Bastos,Rogério P.
ABSTRACT Acoustic communication plays an important role in the social behavior of anurans. Acoustic signals, which can be used in different contexts such as mate attraction and territory defense, may mediate social interactions among individuals. Herein, we used playback experiments to test whether males of Hypsiboas goianus (Lutz, 1968) change their vocal behavior in response to conspecific advertisement calls. Specifically, we used different field playback experiments in which we modified the time interval between advertisement calls to simulate males with distinct states of motivation (Sequence A and B). We did not observe differences in the acoustic response of males of H. goianus between the two types of field playback experiments. On the other hand,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anuran; Aggressive behavior; Brazilian savanna; Vocalizations.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600431

Temperature and circadian effects on metabolic rate of South American echimyid rodents, Trinomys setosus and Clyomys bishopi (Rodentia: Echimyidae)
Provedor de dados: 103
Autores: Fabio-Braga,Ana Paula; Klein,Wilfried.
ABSTRACT Basal metabolic rate (BMR) represents the lowest level of metabolic activity capable to sustain homeostasis in an endotherm and is an important tool to compare metabolic rates of different species. Echimyidae is the most specious family within caviomorph rodents, however, little is known about the biology of its species, such as Trinomys setosus (Desmarest, 1817) and Clyomys bishopi (Ávila-Pires &amp; Wutke, 1981), a ground and an underground dwelling echimyid, respectively. The ambient temperature and circadian effects on metabolic rate were evaluated through closed-system respirometry for these two species, as well as the circadian effects on CO2 production and respiratory exchange ratio (RER). Trinomys setosus and C. bishopi showed the lowest...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Basal metabolic rate; Fossoriality; Neotropical; Oxygen consumption; Thermoneutral zone.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100311

Taxonomic status and redescription of Flectonotus ulei (Anura: Hemiphractidae), with a key for the species of Fritziana
Provedor de dados: 103
Autores: Folly,Manuella; Hepp,Fabio; Carvalho-e-Silva,Sergio P.; Duellman,William E.
Based on preserved specimens from the states of São Paulo and Rio de Janeiro, Flectonotus ulei Miranda-Ribeiro, 1926 is resurrected from its synonymy with Flectonotus fissilis (Miranda-Ribeiro, 1920) and is redescribed. Analysis of osteological characters and brood pouch structure confirms that F. ulei belongs to Fritziana. The species is small for the genus (snout-vent length in males, 19.2-26.9 mm, n = 2; in females, 20.3-21 mm, n = 4) and was found in bromeliads. Flectonotus ulei is characterized by dorsal pattern consisting of interorbital pentagon or hexagon-shaped mark delimited by heavy dark line, diameter of tympanum smaller than that of disc of third digit, and a brood pouch covering the eggs dorsally except for a narrow longitudinal slit; eggs...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibia; Atlantic Rain Forest; Bromeliad breeder; Hemiphractidae; Southeastern Brazil; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400011

Records of the giant-armadillo Priodontes maximus (Cingulata: Dasypodidae) in the Atlantic Forest: are Minas Gerais and Espírito Santo the last strongholds of the species?
Provedor de dados: 103
Autores: Srbek-Araujo,Ana Carolina; Scoss,Leandro M.; Hirsch,André; Chiarello,Adriano G.
We report 20 records of Priodontes maximus (Kerr, 1792) collected between 1990 and 2009 in three nature reserves located in forested areas of southeastern Brazil within the Atlantic Forest biome. Seventeen records were collected in Parque Estadual do Rio Doce (PERD), state of Minas Gerais, two in Reserva Biológica de Sooretama and one in Reserva Natural Vale, both located in the state of Espírito Santo. The records were burrows (n = 11), photographs from camera-traps (n = 6), sightings (n = 2) and carcass (n = 1). Given the higher number of records, the PERD seems to maintain the largest population among the three study areas. We searched the literature and found no other recent evidence of the species' presence in the Atlantic forest of Brazil. There are...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Endangered species; Extinction; Forest fragmentation; Xenarthra.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300010

Description of ten additional ossicles in the foregut of the freshwater crabs Sylviocarcinus pictus and Valdivia serrata (Decapoda: Trichodactylidae)
Provedor de dados: 103
Autores: Lima-Gomes,Renata C.; Lima,Jô de Farias; Magalhães,Célio.
ABSTRACT The morphology of stomach ossicles of decapod crustaceans provides valuable information on their phylogeny and biology. We herein described ten new ossicles in the foreguts of two trichodactylid crabs, Sylviocarcinus pictus (H. Milne-Edwards, 1853) and Valdivia serrata White, 1847, in addition to previously described 38 ossicles, which are also recognized and listed. Five specimens each of S. pictus and V. serrata were selected for morphological analysis of gastric ossicles. The stomachs were obtained after removing the carapace, and they were fixed in 10% formalin for 24 hours. After this procedure, the stomachs were immersed in a solution of 10% Potassium Hydroxide (KOH) and heated to 100 °C during 60 minutes for tissue maceration. At this...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon; Anatomy; Foregut; Morphology; Neotropical; Stomach; Valdiviini.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100312

Natural history of Holoaden luederwaldti (Amphibia: Strabomantidae: Holoadeninae) in southeastern of Brazil
Provedor de dados: 103
Autores: Martins,Itamar A.
This study reports the rediscovery of Holoaden luederwaldti Miranda-Ribeiro, 1920 and provides information on the distribution, sexual dimorphism, reproduction and vocalization of a population of this species in Campos do Jordão, São Paulo (southeastern Brazil). Sampling was carried out in the Parque Estadual de Campos do Jordão (PECJ) from October 2005 through December 2008. Collecting was conducted using pitfall traps with a drift-fence on different altitudinal gradients (1,540 m, 1,780 m and 2,000 m a.s.l.). Fifty-two specimens of H. luederwaldti were collected in the PECJ. The mean snout-vent length (SVL) was 36.17 mm for males and 42.61 mm for females, indicating sexual dimorphism in body size. Holoaden luederwaldti occurred during the warm-rainy...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Advertisement call; Atlantic forest; Fecundity; Holoaden; Use of habitat.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100007

Relating flight initiation distance in birds to tropical dry forest restoration
Provedor de dados: 103
Autores: Osorio-Beristain,Marcela; Rodríguez,Ángeles; Martínez-Garza,Cristina; Alcalá,Raúl Ernesto.
ABSTRACT Flight initiation distance (FID), defined as the distance at which an individual flees from an approaching predator, might depend on how the individual perceives the risk of being predated. Using a standardized walking approach method on focal bird individuals, we investigated whether different levels of vegetation cover (habitat) influence the perception of predation risk. To do this, we worked in an area of tropical dry forest in central Mexico that is currently part of a restoration ecology experiment. We hypothesized that restoration decreases individual’s predation risk perception by increasing the complexity of the vegetation cover. The escape responses of three tropical birds with different diets and foraging strategies were also...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Escape from predators; Foraging strategies; Habitat quality; Predation risk; Tropical birds.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100302

A new species of Tipuana (Auchenorrhyncha: Cicadellidae: Cicadellini) from the state of Amazonas, Brazil, with a key to males of the genus
Provedor de dados: 103
Autores: Cavichioli,Rodney Ramiro; Mejdalani,Gabriel.
A new species of Tipuana Melichar, 1926, T. similis sp. nov., is described and illustrated based on specimens from the state of Amazonas, northern Brazil. The new taxon is externally very similar to T. chirensis Young, 1977. It can be distinguished from the latter and from the other known species of the genus mainly by the aedeagus with a triangular, posteriorly directed projection between the basidorsal apodemes, and with shaft not expanded apically and bearing two sharp, short apical processes curved dorsally. Diagnostic features of the new species are also found in the paraphysis, which is symmetrical, expanded towards the apex and with a round apical excavation. A key to the species of Tipuana (males) is added.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cicadellinae; Membracoidea; Morphology; Sharpshooter; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500013

Passeriformes: nest predators and prey in a Neotropical Savannah in Central Brazil
Provedor de dados: 103
Autores: França,Leonardo F.; Sousa,Nadinni O. M.; Santos,Luane R. dos; Duca,Charles; Gressler,Daniel T.; Borges,Fábio J. A.; Lopes,Leonardo E.; Manica,Lilian T.; Paiva,Luciana V.; Medeiros,Rita C. S. de; Marini,Miguel Â.
The identification of predators of birds' nests, crucial to a better understanding of predator-prey interactions, remains poorly known. Here we provide evidence that birds, and especially passerines, may depredate birds' nests in the Cerrado (Neotropical Savannah) of Central Brazil. Data was collected primarily in a Conservation Unit (Estação Ecológica de Águas Emendadas) during the breeding season, between 2003 and 2007. We report and discuss details on 14 events of nest predation, 12 of which by passerines, mostly by curl-crested jays - Cyanocorax cristatellus (Temminck, 1823). The results of our study suggest that the role of birds as nest predators in the Cerrado has been underestimated and needs to be further investigated.
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Cerrado; Bird; Passerine.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400028

Hybridism between Cyanocorax chrysops and Cyanocorax cyanopogon (Aves: Corvidae) in Brazil
Provedor de dados: 103
Autores: Apolinario,Cristiane; Silveira,Luís Fábio.
ABSTRACT Cyanocorax chrysops (Vieillot, 1818) and Cyanocorax cyanopogon (Wied, 1821) are widespread jays. They are considered sister species according to recent molecular phylogenies. When analyzing museum specimens of both species, we found two individuals with intermediate plumage characteristics. They were collected near the range limits of both species, and we classified them as hybrids. Based on the sites where these specimens were found, we discuss the possible factors leading the interbreeding and compare our findings with information available in the literature. This is the first documented case of natural hybridization in jays in Brazil and the second case involving sister species within the New World jays.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Contact zones; Hybrids; Interbreeding; Jays.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100324

Two new Brazilian species of the Neotropical sharpshooter genus Ruppeliana (Insecta: Hemiptera: Cicadellidae)
Provedor de dados: 103
Autores: Carvalho,Rachel A. de; Cavichioli,Rodney R.; Rodrigues,Luiz Gabriel N.; Gonçalves,Ana C.
Two new Ruppeliana Young, 1977 species are described and illustrated based on specimens from the states of Espírito Santo and Minas Gerais, Brazil. The new species are easily distinguished from other Ruppeliana Young, 1977 by their color pattern. Ruppeliana caelimaculata sp. nov. has red to dark red forewings with whitish-blue transverse maculae, and R. flavivirescens sp. nov. has brownish-red forewings with greenish-yellow longitudinal stripes. The female genitalia are for the first time described and illustrated in detail for species of the genus.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Leafhopper; Cicadellinae; Membracoidea; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000100009

Architectural changes in larval leaf shelters of Noctuana haematospila (Lepidoptera: Hesperiidae) between host plant species with different leaf thicknesses
Provedor de dados: 103
Autores: Greeney,Harold F.; Walla,Thomas R.; Lynch,Ryan L.
Insect-food-plant associations have been shown to be influenced by the chemical, physical and nutritional characteristics of plants. We suggest that among insect larvae that use leaf material to build shelters, food-plant use may be constrained by differences in host leaf structure, illuminating a rarely investigated aspect of insect-plant interactions. To explore the potential effects of leaf structure on shelter building behavior in a Neotropical skipper butterfly, we investigated shelter building patterns on two congeneric food-plants that varied in leaf thickness. Shelter architecture varied significantly between hosts, with thicker leaves requiring longer cuts to construct shelters. The relationship between shelter building behavior and leaf structure...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Behavior; Caterpillar; Ecuador; Rubus; Skipper.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100010

Morphology and 18S rDNA gene sequence of Spirostomum minus and Spirostomum teres (Ciliophora: Heterotrichea) from Rio de Janeiro, Brazil
Provedor de dados: 103
Autores: Fernandes,Noemi M.; Silva Neto,Inácio D. da.
Species of Spirostomum Ehrenberg, 1838 are widely used as model organisms in ecological studies of environmental impacts and symbioses between ciliates and human pathogenic bacteria. However, the taxonomy of this genus is confused by the superficiality of the morphological descriptions of its included species, and the use of only a few characters for their differentiation. The present study provides details of total infraciliature, nuclear apparatus, morphometric data and 18S rDNA gene sequences of Spirostomum teres Claparède &amp;amp; Lachmann, 1858 and Spirostomum minus Roux, 1901, isolated from a sewage treatment plant and a freshwater lake in the city of Rio de Janeiro, Brazil, respectively. For the morphological descriptions of S. teres and S. minus,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bioindicators; Ciliates; Cryptic species; Heterotrichs; Morphology.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100009

The tadpole of Proceratophrys izecksohni (Amphibia: Anura: Odontophrynidae)
Provedor de dados: 103
Autores: Dias,Pedro H. dos Santos; Carvalho-e-Silva,Ana M.P.T. de; Carvalho-e-Silva,Sergio P. de.
We describe the external morphology of the tadpole of Proceratophrys izecksohni Dias, Amaro, Carvalho-e-Silva &amp;amp; Rodrigues, 2013, its internal oral features, and chondrocranial anatomy, based on specimens collected at the type locality. The tadpole has short and oval body, spiracle with inner wall fused to the body, and oral formula 2/3(1). The oral cavity of P. izecksohni is typical of stream-dwelling tadpoles, with several papillae and pustulations. The chondrocranium is longer than wide and the suprarostral corpora are free ventromedially. The palatoquadrate has a well developed processus pseudopterygoideus. We also compare the tadpole of P. izecksohni with tadpoles those of other species of the genus, emphasizing the usage of larval morphology...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chondrocranium; Description; Internal oral morphology; Proceratophrys appendiculata complex; Systematics.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000200010

Variation in the distribution of Corbicula species (Mollusca: Bivalvia: Corbiculidae) after 25 years of its introduction in the Río de la Plata, Argentina
Provedor de dados: 103
Autores: Reshaid,Yamila; Cao,Luciana; Brea,Francisco; Blanche,María Ortiz; Torres,Santiago; Darrigran,Gustavo.
ABSTRACT In 1981, Corbicula fluminea (Müller, 1774) and C. largillierti (Philippi, 1844) were recorded at the Río de la Plata River. During the 1980’s, C. largillierti was found on a continuous fringe in the shore of that river, while C. fluminea was only found North of Buenos Aires’ harbor. Ten years later, C. fluminea spread to Punta Indio, while C. largillierti remained restricted to tributary streams. The density and size frequency distribution of both species were compared with previous data from samples performed in the same area in 1985-1989. The aim of this research was to determine whether the densities of both species decreased; whether C. fluminea is still more abundant than C. largillierti; and whether the size frequency distributions indicate...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bivalves; Freshwater; Invasion; Invertebrates; Mussel.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100336

Two new species of Tydeidae (Acari: Prostigmata), records of species of this family and Triophtydeidae from Brazil
Provedor de dados: 103
Autores: Silva,Guilherme L. da; Radaelli,Thayná F. de Souza; Metzelthin,Maicon H.; Ferla,Júlia J.; Ferla,Noeli J.
ABSTRACT Two new species of Tydeidae are described, Brachytydeus lorenzatus sp. nov. and Quasitydeus feresi sp. nov. Brachytydeus lorenzatus sp. nov. differs from B. aegyptiaca (Rasmy &amp; El Bagoury, 1979) by having a reticulated area on the region of f1 and f2 , dorsal setae smooth, solenidion (I shorter than or equal to the width of tarsus I, most setae on dorsal shield shorter than the length between their bases and setae d forked distally. The new species is distinguished from B. scutatus Silva, Rocha &amp; Ferla, 2013 by having a slightly reticulate area on the aspidosoma, near setae bo , all dorsal setae slender and club-shaped. Quasitydeus feresi sp. nov. differs from the only other species of the genus, Q. ricensis (Baker, 1970), by having all...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brachytydeus; Quasitydeus; Rio Grande do Sul; Taxonomy; Tydeoidea.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000203000

Redescription of Dubiaranea argenteovittata (Araneae: Linyphiidae), type species of the genus, and description of the male
Provedor de dados: 103
Autores: Rodrigues,Everton Nei Lopes; Ott,Ricardo; Brescovit,Antonio Domingos.
Dubiaranea argenteovittata Mello-Leitão, 1943 was described from the state of Rio Grande do Sul, Brazil, based on a female. We describe and illustrate the male of the species for the first time, and provide the first records for the states of Santa Catarina and Paraná. The redescription and illustrations of the female is based on the holotype and new material from the type locality. New distributional records are also provided for the state of Rio Grande do Sul.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Araneoidea; Brazil; Dubiaraneinae; Neotropical Region; Spider taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000300010

Reproductive biology of Echinanthera cyanopleura (Serpentes: Dipsadidae) in southern Brazil
Provedor de dados: 103
Autores: Zanella,Noeli; Cechin,Sonia Z.
The reproductive cycles of snakes can be influenced by many factors, both biotic and abiotic, and information about these factors can contribute significantly to knowledge of the biology of many species. Here, we present data on the reproductive biology (body size, sexual dimorphism and female reproductive cycle) of the forest-dwelling colubrid Echinanthera cyanopleura (Cope, 1885), based on analyses of 128 specimens preserved in collections and originating from the states of Paraná, Santa Catarina, and Rio Grande do Sul in southern Brazil. The snout-vent length of females was significantly greater than in males. The tail length of mature females was greater than in males, although this difference was not significant. Vitellogenesis occurs from August to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Reproduction; Serpents; Sexual dimorphism.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100005

Taxonomic revisionary notes on some Neotropical Coenosiini (Diptera: Muscidae)
Provedor de dados: 103
Autores: Rodríguez-Fernández,Jaime I.; Carvalho,Claudio J. B. de; Couri,Márcia S.
Coenosiinae is an important component of the Neotropical Muscidae diversity due to the high diversity of species and high population numbers. Based on the examination of type-specimens of some species of Coenosiini, the following taxonomic changes are proposed: Neodexiopsis medinai Snyder, 1957 stat. rev., Pilispina xanthogaster (Albuquerque, 1958) comb. nov., Pilispina differa Couri &amp;amp; Carvalho, 1999 is a junior synonym of Pilispina pilitibia Albuquerque, 1954, Neodexiopsis barbiventris Couri &amp;amp; Albuquerque, 1979 is a junior synonym of Neodexiopsis flavipalpis Albuquerque, 1956 and a neotype is proposed for Coenosia latitibia Albuquerque 1957. In all cases, remarks include reevaluation of relevant characters.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coenosiinae; New combination; Revalidation; Synonymy; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200013

Diet of the lizard Ecpleopus gaudichaudii (Gymnophthalmidae) in Atlantic Rainforest, state of Rio de Janeiro, Brazil
Provedor de dados: 103
Autores: Maia,Thiago; Almeida-Gomes,Mauricio; Siqueira,Carla C.; Vrcibradic,Davor; Kiefer,Mara C.; Rocha,Carlos Frederico D.
In this study we analyzed the diet of the gymnophthalmid lizard Ecpleopus gaudichaudii Duméril &amp;amp; Bibron, 1839, a typical inhabitant of the forest-floor leaf litter, in an Atlantic Forest area in the state of Rio de Janeiro, southeastern Brazil. The 26 individuals sampled during the study had a mean snout-vent length (SVL) of 36.2 ± 4.2 mm and a mean jaw width (JW) of 4.1 ± 0.5 mm. We did not find differences in SVL between males and females, though the sexes differed in JW when the effect of body size was factored out, with females presenting higher values. The diet of the lizards was composed exclusively of arthropods, especially isopods and orthopterans. The similarity in trophic niches among seasons (volumetric and numerical proportions of prey...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Lacertilia; Rainforest; Seasonality; Squamata.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500006

A molecular method to detect and identify the native species of southwestern Atlantic Crassostrea (Mollusca: Ostreidae)
Provedor de dados: 103
Autores: Ludwig,Sandra; Patella,Raquel; Stoiev,Sérgio; Castilho-Westphal,Gisela; Girotto,Marcus V. F; Ostrensky,Antonio.
Among oysters, species of Crassostrea (Sacco, 1897) are the most attractive to aquaculture. In Brazil, the genus is represented by C. rhizophorae (Guilding, 1828) and C. brasiliana (Lamarck, 1819). Because the maturation and breeding technology is not well developed for these species, aquaculturists need a reliable method to decide the correct time to place spat collectors in the field, and to identify both species, which are morphologically similar. In this study a specific Multiplex PCR protocol was developed, using one pair of universal primers from 18S rDNA as a positive control and a pair of specific primers for each target species. The sensitivity and specificity of the protocol was evaluated. It detected C. rhizophorae DNA in low concentrations, and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Multiplex PCR; Oysters; Plankton; Specific primers.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400002

Acoustic communication in two species of the Hypsiboas albopunctatus group (Anura: Hylidae) in sympatry and allopatry
Provedor de dados: 103
Autores: Vieira,Raísa Romênia Silva; Batista,Vinícius Guerra; Bastos,Rogério Pereira.
ABSTRACT Tropical anuran communities are very diverse. Nevertheless, much of their ecological and historical processes remain unknown. Bioacoustical studies are important to help to solve these puzzles. In the present study we examined the effect of environmental (air temperature and humidity) and morphological (body size) attributes on the acoustic parameters of two frogs of the Hypsiboas albopunctatus species group (H. albopunctatus and H. paranaiba ) living in sympatry and allopatry in the Brazilian cerrado. We also investigated if the presence of one species influences the spatial distribution or vocal behaviour of the other. We found H. albopunctatus and H. paranaiba males emitting advertisement and aggressive calls in sympatry and allopatry. Although...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acoustic interaction; Acoustic partition; Specific recognition; Spatial partition.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000200500

Morphology, morphometry and ultrastructure of the Amazonian manatee (Sirenia: Trichechidae) spermatozoa
Provedor de dados: 103
Autores: Amaral,Rodrigo S.; Lucci,Carolina M.; Rosas,Fernando C. W.; Silva,Vera M. F. da; Báo,Sônia N.
This study describes the morphological, morphometric and ultrastructural characteristics of the Amazonian manatee Trichechus inunguis (Natterer, 1883) spermatozoon. The spermatozoa were obtained from a urine sample of an adult T. inunguis kept in captivity. The spermatozoa were analyzed by light and transmission electron microscopy. The head of Amazonian manatee spermatozoa had a flat oval shape and a well distinguishable midpiece. The mean dimensions of the spermatozoa were: head length, 7.49 ± 0.24 µm; head width, 3.53 ± 0.19 µm; head thickness, 1.61 ± 0.13 µm; midpiece length, 11.36 ± 0.34 µm; flagellum length, 40.91 ± 1.94 µm; total tail length, 52.16 ± 1.06 µm; total spermatozoon length, 60.08 ± 1.40 µm. The Amazonian manatee spermatozoa were similar...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anatomy; Reproduction; Sirenians; Spermatozoon; Trichechus inunguis.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600025

Shelter building behavior of Pyrrhopyge papius (Lepidoptera: Hesperiidae) and the use of the Mayfield method for estimating survivorship of shelter-building Lepidopteran larvae
Provedor de dados: 103
Autores: Greeney,Harold F.; Walla,Thomas R.; Jahner,Josh; Berger,Ryan.
Estimating the survivorship of lepidopteran larvae in the field poses many problems, most notably the potential for monitored subjects to simply wander away. Larvae of the family Hesperiidae, however, construct and dwell in shelters built out of leaf tissue on their host plants, return to their shelters between feeding bouts, and build a predictable series of shelters during larval ontogeny. Here we describe the shelter building behavior of Pyrrhopyge papius Hopffer, 1874 from northeastern Ecuador. Subsequently we test the use of the Mayfield method, a widely-used ornithological method for estimating survivorship of nests, to examine its utility for monitoring survival in free-living hesperiid larvae. Pyrrhopyge papius builds three distinct shelter types...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caterpillar; Ecuador; Predation; Skipper; Survival.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600005

Age, growth and reproductive biology of two endemic demersal bycatch elasmobranchs: Trygonorrhina fasciata and Dentiraja australis (Chondrichthyes: Rhinopristiformes, Rajiformes) from Eastern Australia
Provedor de dados: 103
Autores: Reis,Marcelo; Figueira,Will F.
ABSTRACT Bottom-dwelling elasmobranchs, such as guitarfishes, skates and stingrays are highly susceptible species to bycatch due to the overlap between their distribution and area of fishing operations. Catch data for this group is also often merged in generic categories preventing species-specific assessments. Along the east coast of Australia, the Eastern Fiddler Ray, Trygonorrhina fasciata (Muller &amp; Henle, 1841), and the Sydney Skate, Dentiraja australis (Macleay, 1884), are common components of bycatch yet there is little information about their age, growth and reproductive timing, making impact assessment difficult. In this study the age and growth (from vertebral bands) as well as reproductive parameters of these two species are estimated and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Age and growth; Rajidae; Rhinobatidae; Sexual maturity.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100323

Dactylogyrids (Platyhelminthes: Monogenoidea) from the gills of Hassar gabiru and Hassar orestis (Siluriformes: Doradidae) from the Xingu Basin, Brazil
Provedor de dados: 103
Autores: Soares,Geusivam Barbosa; Santos Neto,João Flor dos; Domingues,Marcus Vinicius.
ABSTRACT Four species of Cosmetocleithrum (three new) and one new species of Vancleaveus are described or reported parasitizing the gills of doradid catfishes (Siluriformes) from Xingu River and related tributaries: Cosmetocleithrum phryctophallus sp. nov. and Cosmetocleithrum bifurcum Mendoza-Franco, Mendoza-Palmero &amp; Scholz, 2016 from Hassar orestis; Cosmetocleithrum leandroi sp. nov. from Hassar gabiru; Cosmetocleithrum akuanduba sp. nov. and Vancleaveus klasseni sp. nov. from Hassar orestis and H. gabiru. Cosmetocleithrum phryctophallus sp. nov. differs from its congeners by possessing a male copulatory organ (MCO) with 2 ½ counterclockwise rings, and an accessory piece with an elongate torch-shaped blade. Cosmetocleithrum leandroi sp. nov. has a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon; Cosmetocleithrum; Vancleaveus.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100330

On the taxonomy of Trechaleidae (Araneae: Lycosoidea) from Colombia and Peru
Provedor de dados: 103
Autores: Silva,Estevam Luís Cruz da; Lise,Arno Antonio.
A new species of Enna O. Pickard-Cambridge, 1897 from Cusco, Peru and two new species of Caricelea SILVA &amp;amp; LISE, 2007 based in males collected in Cusco, Peru are described. Enna echarate sp. nov. can be distinguished from other species by the two lateral excavations on the epigynal middle field. Caricelea apurimac sp. nov. an be distinguished from the other members of the genus, by the larger lamellar projection (LP) on the median apophysis that covers most of the guide. Caricelea camisea sp. nov. can be distinguished from other species of the genus, by the smaller lamellar projection and the smaller and acute ental division of the retrolateral apophysis. The males of Hesydrus caripito Carico, 2005 and Syntrechalea reimoseri (Caporiacco, 1947) are...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Distribution; New species; Neotropical region; Taxonomy.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200020

The role of seed mass on the caching decision by agoutis, Dasyprocta leporina (Rodentia: Agoutidae)
Provedor de dados: 103
Autores: Galetti,Mauro; Donatti,Camila I.; Steffler,Carla; Genini,Julieta; Bovendorp,Ricardo S.; Fleury,Marina.
It has been shown that the local extinction of large-bodied frugivores may cause cascading consequences for plant recruitment and overall plant diversity. However, to what extent the resilient mammals can compensate the role of seed dispersal in defaunated sites is poorly understood. Caviomorph rodents, especially Dasyprocta spp., are usually resilient frugivores in hunted forests and their seed caching behavior may be important for many plant species which lack primary dispersers. We compared the effect of the variation in seed mass of six vertebrate-dispersed plant species on the caching decision by the red-rumped agoutis Dasyprocta leporina Linnaeus, 1758 in a land-bridge island of the Atlantic forest, Brazil. We found a strong positive effect of seed...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Astrocaryum; Defaunation; Ilha Anchieta; Palms; Scatter hoarding.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300022

Comparative studies on the histology and ultrastructure of the siphons of two species of Tellinidae (Mollusca: Bivalvia) from Brazil
Provedor de dados: 103
Autores: Vitonis,João E.V.V.; Zaniratto,Cristiane P.; Machado,Fabrizio M.; Passos,Flávio D.
Despite the great importance of the siphons for infaunal bivalves, only a few studies have examined their tissues using histology techniques or scanning electron microscopy. In the present study, the siphons of Tellina lineata Turton, 1819 and Macoma biota Arruda &amp;amp; Domaneschi, 2005 were investigated. The siphon walls are composed by a series of muscle sheets of longitudinal ("L"), circular ("C") and radial ("R") fibers, with a clear pattern common to both species: there is a main median longitudinal layer (Lm), and two peripheral circular layers, one inner (Ci) and one outer (Co), near the epithelia. A median circular layer (Cm) separates an internal (Lmi) from an outer (Lmo) median longitudinal layer. Further, the Co is split by a thin outer...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ciliated receptors; Histology; Musculature; Tellinoidea.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000300005

Behavioral evidence for cone-based ultraviolet vision in divergent bat species and implications for its evolution
Provedor de dados: 103
Autores: Fujun,Xuan; Kailiang,Hu; Tengteng,Zhu; Paul,Racey; Xuzhong,Wang; Yi,Sun.
We investigated the reactions of four bat species from four different lineages to UV light: Hipposideros armiger (Hodgson, 1835) and Scotophilus kuhlii Leach, 1821, which use constant frequency (CF) or frequency modulation (FM) echolocation, respectively; and Rousettus leschenaultii (Desmarest, 1820) and Cynopterus sphinx (Vahl, 1797), cave and tree-roosting Old World fruit bats, respectively. Following acclimation and training involving aversive stimuli when exposed to UV light, individuals of S. kuhlii and C. sphinx exposed to such stimuli displayed conditioned reflexes such as body crouching, wing retracting, horizontal crawling, flying and/or vocalization, whereas individuals of H. armiger and R. leschenaultii, in most cue-testing sessions, remained...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chiroptera; Evolution; Fear conditioning; UV vision.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000200002

Abundance of epigaeic arthropods in a Brazilian savanna under different fire frequencies
Provedor de dados: 103
Autores: Uehara-Prado,Marcio; Bello,Ayr de M.; Fernandes,Juliana de O.; Santos,Adalberto J.; Silva,Igor A.; Cianciaruso,Marcus V.
Fire is a major determinant of structure and dynamics in savannas, and the rapid increase of human activities in this biome has changed the natural burning regime. The effects of fire on the fauna of the cerrado (Brazilian savanna) are still poorly understood, and studies comparing sites frequently and infrequently burned are scarce. In this study, the abundance of epigaeic arthropod orders and trophic guilds was assessed in cerrado sites located in the Brazilian Central Plateau that were subjected to three burning frequencies: frequent (HighFi), intermediary (MidFi), and infrequent (LowFi). In general, we found a positive relationship between the abundance of epigaeic arthropods and fire frequency. When arthropods were analyzed by orders, the abundance of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arachnida; Burning; Cerrado; Insecta; Trophic guilds.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500008

Feeding ecology of Liophis reginae semilineatus (Serpentes: Colubridae: Xenodontinae) in eastern Amazon, Brazil
Provedor de dados: 103
Autores: Albarelli,Luiz Paulo P.; Santos-Costa,Maria C.
We studied the diet of Liophis reginae semilineatus (Wagler, 1824) from eastern Amazon, Brazil, based on the analysis of 182 preserved specimens. Thirty-six individuals had prey in their stomachs; 34 (95%) contained exclusively anurans and 2 (5%) contained both anurans and lizards. The most common prey items were small Leptodactylus sp. (33.3%), followed by Physalaemus ephippifer (Steindachner, 1864) (10.3%). Prey ingested head-first (78%; n = 25) were significantly larger than prey ingested tail-first (22%; n = 7). Females of L. reginae semilineatus have longer and wider heads than conspecific males with the same body length, which correspond to sexual divergences in the diet (size of the prey). No correlation was found between snake head length vs. prey...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anurophagous; Diet; Neotropical; Snake.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100013

Altitudinal distribution of birds in a mountainous region in southeastern Brazil
Provedor de dados: 103
Autores: Mallet-Rodrigues,Francisco; Parrini,Ricardo; Pimentel,Leonardo M. S.; Bessa,Rafael.
We studied the altitudinal distribution of 426 bird species in the Serra dos Órgãos, a mountainous region in southeastern Brazil. Thirty-four localities were visited between 1991 and 2009. Our study revealed a decline in bird species richness with elevation, although a smaller number of species was recorded at lower altitudes (below 300 m) possibly due to local extinctions caused by the intense human occupation of the region. A less diverse avifauna was found above 2,000 m, with only one species (Caprimulgus longirostris) recorded exclusively in this altitudinal range. Most endemic species were found between 300 and 1,200 m, but the endemism was more significant at higher altitudes. Nearly half of the birds found above 1,400 m were endemic species. Most of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Avifauna; Birds; Elevational distribution.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400003

Scapteromys aquaticus (Rodentia: Sigmodontinae) in Brazil with comments on karyotype and phylogenetics relationships
Provedor de dados: 103
Autores: Bonvicino,Cibele R.; Fernandes,Fabiano A.; Viana,Maria C.; Bernardo,R. Teixeira; D'Andrea,Paulo S.
The swamp rats are distributed in Argentina, southern Paraguay, Uruguay and southern Brazil, with two species currently accepted: Scapteromys aquaticus Thomas, 1920 and Scapteromys tumidus Waterhouse, 1837. While S. aquaticus occurs in Argentina, Paraguay and western Uruguay, S. tumidus occurs in Brazil and Uruguay. Here we report for the first time the occurrence of S. aquaticus in gallery forest remnants in Southern Brazil. Karyologic analysis showed 2n = 32 and FNa = 40. Phylogenetic analyses, based on DNA sequences from the mitochondrial cytochrome-b gene indicate that the Brazilian and the Argentinian specimens of S. aquaticus shared one haplotype, while median joining analysis showed lack of population structure. This register, plus the karyotype...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: New record; Southern Brazil; Species limits; Swamp rat.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200016

Swimming performance of the small characin Bryconamericus stramineus (Characiformes: Characidae)
Provedor de dados: 103
Autores: Castro,Miriam A. de; Santos,Hersília de A.; Sampaio,Francisco A. C.; Pompeu,Paulo S.
Very little research has been conducted on the swimming capacity of Neotropical fish. The few studies available have focused on large migratory species. The present study used fixed and increasing velocity tests to determine prolonged and sustained speeds of the "pequira", Bryconamericus stramineus Eigenmann, 1908, a small, abundant species found in fish passages implemented at the Paraná basin, Brazil. The results of increasing velocity tests showed significant relationships between critical speeds, total and standard lengths, and body weight. When compared with other Neotropical fish, the "pequira" is able to swim faster than individuals of other species of similar length. The point of change from sustained to prolonged swimming was found to occur at an...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Critical speed; Fish passage; Prolonged swimming; Tetragonopterinae.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600015

Abundance and diversity patterns of the sessile macrobenthic community associated with environmental gradients in Vitória Harbor, southeastern Brazil
Provedor de dados: 103
Autores: Zalmon,Ilana Rosental; Krohling,Werther; Ferreira,Carlos Eduardo Leite.
Harbor terminals and urban sewage effluents affect the composition and distribution of epibenthic organisms. In this study, we hypothesized that the benthic community structure at the Vitoria Harbor changes spatially in a ~3 km scale, and that these changes are associated with environmental gradients resulting from point-source sewage and differences in the physical and chemical parameters of the water along the harbor access channel. Four sites, internal (PI), intermediate-internal (PMI), intermediate-external (PME) and external (PE), varying from 0.5 to 4.0 km off the harbor, were sampled on five quadrats at six sampling dates (N = 30 per site). The epibenthic community on the shallow sublitoral rocky shore was sampled fortnightly from December 2005 to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Epibenthic community; Environmental gradient; Estuary; Sedimentation.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500012

Six new species of Poeciloderrhis from Brazil (Blattaria: Blaberidae) with a new record and a new combination
Provedor de dados: 103
Autores: Silva,Leonardo de Oliveira Cardoso da; Lopes,Sonia Maria.
ABSTRACT In this contribution six new species of Poeciloderrhis Stål, 1874 are described: P. aureolatus sp. nov. (Holotype male in MNRJ: Brazil, Rio de Janeiro State), P. mediansclerostylatus sp. nov. (Holotype male in MNRJ: Brazil, Rio de Janeiro State), P. diamantinensis sp. nov. (Holotype male in MNRJ: Brazil, Mato Grosso State), P. itatiaiensis sp. nov. (Holotype male in MNRJ: Brazil, Rio de Janeiro State), P. vanzolinii sp. nov. (Holotype male in MNRJ: Brazil, Rio de Janeiro State), and P. penduloides sp. nov. (Holotype male in MNRJ: Brazil, Rio de Janeiro State). The genus is recorded for the first time from the state of Rondônia, Brazil based on P. diamantinensis sp. nov. A new combination is proposed for Poeciloderrhis bicolorata Rocha e Silva...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Epilamprinae; Nomenclature; Serra da Mantiquera.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100301

The breeding biology, nest success, habitat and behavior of the endangered Saffron-cowled Blackbird, Xanthopsar flavus (Aves: Icteridae), at an Important Bird Area (IBA) in Rio Grande do Sul, Brazil
Provedor de dados: 103
Autores: Mohr,Luciane R. da Silva; Périco,Eduardo; Fonseca,Vanda S. da Silva; Mohr,Alexsandro R.
ABSTRACT The Saffron-cowled Blackbird, Xanthopsar flavus (Gmelin, 1788), is a globally vulnerable icterid endemic to grasslands and open areas, and a priority species for research and conservation programs. This contribution provides information on the population size, habitat, behavior, breeding biology and nest success of X. flavus in two conservation units (CUs) in Viamão, state of Rio Grande do Sul, Brazil: the Environmental Protection Area Banhado Grande, and the Wildlife Refuge Banhado dos Pachecos, classified as an “Important Bird Area”. Searches for X. flavus were carried out mainly in open areas, the type of habitat favored by the species. Outside the breeding season individual behavior was recorded by the ad libitum method; during the breeding...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Conservation; Habitat degradation; Natural history; Vulnerable species.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100330

Feeding habits of giant otters Pteronura brasiliensis (Carnivora: Mustelidae) in the Balbina hydroelectric reservoir, Central Brazilian Amazon
Provedor de dados: 103
Autores: Cabral,Márcia M. M.; Zuanon,Jansen; de Mattos,Gália E.; Rosas,Fernando C. W.
This study aimed to identify the diet of giant otters, Pteronura brasiliensis (Zimmermann, 1780) in the Balbina reservoir (01º55'S, 59º29'W), to compare it with literature data on the diet of giant otters from non-dammed areas, and to verify the effects of the seasonal changes in water levels on the feeding habits of Balbina otters. A total of 254 feces samples were collected and identified according to the lowest possible taxonomic level. Teleostei fish were present in 100% of the samples; two samples also presented monkey fur (n = 1) and sloth fur (n = 1), suggesting that the diet of P. brasiliensis, in the reservoir, is almost exclusively based on fish. Ten fish families were identified in our samples, six of which were exclusive to the Balbina Lake...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon basin; Aquatic mammal; Conservation; Dam; Diet.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100008

A comparison of abundance estimators for small mammal populations
Provedor de dados: 103
Autores: Pacheco,Marcelle; Kajin,Maja; Gentile,Rosana; Zangrandi,Priscilla L.; Vieira,Marcus V.; Cerqueira,Rui.
A major difficulty in the application of probabilistic models to estimations of mammal abundance is obtaining a data set that meets all of the assumptions of the model. In this paper, we evaluated the concordance correlation among three population size estimators, the minimum number alive (MNA), jackknife and the model suggested by the selection algorithm in CAPTURE (the best-fit model), using long-term data on three Brazilian small mammal species obtained from three different studies. The concordance correlation coefficients between the abundance estimates indicated that the probabilistic and enumeration estimators were highly correlated, giving concordant population estimates, except for one species in one of the studies. The results indicate the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Rainforest; Capture-mark-recapture; Didelphimorphia; MNA; Rodentia.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200008

A new species of Trileptium (Nematoda: Thoracostomopsidae) from Bahia, Brazil
Provedor de dados: 103
Autores: Vilas-Boas,Ana C.; Silva,Maria C. da; Alves,Orane F. de Souza; Castro,Francisco J.V. de; P. Pinheiro-Junior,Eraldo.
ABSTRACT A new species of a free-living marine nematode found in Brazil is described: Trileptium ribeirensis sp. nov. The type material is deposited in the Nematoda collection of the Museu de História Natural da Bahia, located at the Universidade Federal da Bahia. Trileptium includes eleven valid species of nematodes that have teeth and jaws positioned forward. The species was collected with the help of corers (3.5 cm in diameter and 30 cm long) on a sandy beach in Bahia. This species is distinguished from its congeners based on a combination of characters of the male (cuticle, buccal cavity, supplement and gubernaculum). An updated taxonomic key to the genus is presented.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Nematode; Salvador; Sandy beach; Trileptiinae.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000103000

New record of the rare Atlantic Forest rodent Phyllomys lundi (Mammalia: Rodentia)
Provedor de dados: 103
Autores: Faria,Michel B.; Siqueira,Moisés L.G.; Bonvicino,Cibele R.
ABSTRACT The arboreal echimyid rodent of the genus Phyllomys Lund, 1839 is found in the eastern Brazilian Atlantic forest, from the state of Ceará to the state of Rio Grande do Sul, reaching the São Francisco and Paraná river basins in the west. There are 13 species in the genus. Phyllomys lundi Leite, 2003, which until now was known from only two localities, is one of the four endemic Atlantic Forest species of Phyllomys with very restricted distribution. We provide additional data on the morphology, distribution and phylogeography (based on cytochrome b sequences) of the rare P. lundi . Our new record broadens the northern limit of the distribution P. lundi by approximately 250 km with respect to previous records.
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Echimyidae; Geographic distribution; Lund's Atlantic tree rat.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000404000

A new species of Sisimitalia (Hemiptera: Cicadellidae: Cicadellinae) with a key to the species of the genus
Provedor de dados: 103
Autores: Cavichioli,Rodney Ramiro.
Sisimitalia henriquei sp. nov. is described and illustrated based on specimens collected in Boquete, Panama. This new species can be easily distinguished from other congeneric species based on the external coloration and shape of the paraphyses. A key to the species of the genus is also presented.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cicadellini; Description; Distribution; Neotropical Region; Sisimitalia henriquei sp. nov.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400013

Feeding habit of the Brazilian tapir, Tapirus terrestris (Perissodactyla: Tapiridae) in a vegetation transition zone in south-eastern Brazil
Provedor de dados: 103
Autores: Talamoni,Sônia A.; Assis,Miguel A. C.
Tapirs are considered generalist herbivores and the differences in the proportions of dietary items are often attributed to differences in the habitats where individuals live. This study characterized the feeding habit of Tapirus terrestris (Linnaeus, 1758) in a nature reserve in south-eastern Brazil, located in a region considered a transition zone between the Cerrado (Brazilian savanna) and the Atlantic Forest biomes. Fecal samples from T. terrestris individuals were collected monthly at six sampling areas that encompassed a total of 242.22 ha. There were 147 fresh samples found (77 during the dry season and 70 during the wet season). The diet of the tapirs in this reserve was characterized by the prevalent browsing on leaves and stems. There was a low...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Psidium; Seasonality; Serra do Caraça.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200007

Spring migration characteristics of the House Martin, Delichon urbica (Aves: Hirundinidae) in Croatia: A response to climate change?
Provedor de dados: 103
Autores: Dolenec,Zdravko; Dolenec,Petra.
Many authors have discussed use of birds (and other organisms) as sensitive biomonitors for climate change. In this paper we investigate the long-term trends in first arrival dates of the long-distance migratory House Martin, Delichon urbica (Linneus, 1758), in north-western Croatia during the 28-year period. The aim of this paper is to identify possible relationship between arrival times and local spring air temperatures. Between 1981 and 2008 the House Martin arrived progressively earlier (5.9 days), probably in response to climate change. First arrival dates correlated significantly with increasing March-April mean temperatures. Correlation between mean spring air temperature and yearly temperatures were also statistically significant. Our results...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Arrival date; Climate change; Croatia; Delichon urbica.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100020

Meal size effects on the postprandial metabolic response of Bothrops alternatus (Serpentes: Viperidae)
Provedor de dados: 103
Autores: Gavira,Rodrigo S. B.; Andrade,Denis V.
We examined the effects of meal size on the postprandial metabolic response of the lancehead Bothrops alternatus (Duméril, Bibron &amp;amp; Duméril, 1894), fed mice equaling to 5, 10, 20, and 40% of the snake's body mass. The maximum O2 consumption rates measured during digestion increased with meal size, reaching levels up to 2.8-7.8-fold higher than the metabolic rate measured during fasting. Specific Dynamic Action (SDA) duration also increased with meal size, lasting from 54 to 212 hours to complete. Under our experimental conditions, 30ºC, the majority of our snakes failed to completely digest prey with a relative size of 40%. The SDA coefficient ranged from 17 to 27% of the energy content of the meal and was not affected by meal size.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Metabolism; Postprandial; Prey size; Snakes.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300005

A new species of Cryptocellus (Arachnida: Ricinulei) from Eastern Amazonia
Provedor de dados: 103
Autores: Pinto-da-Rocha,Ricardo; Andrade,Renata.
Cryptocellus canga sp. nov. is described from specimens collected in several caves at Carajás National Forest, Pará, Brazil. The new species differs from other species of the genus by the morphology of copulatory apparatus of the male leg III.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazilian Amazon canga Carajás; Cave Neotropics taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500012

Effect of humic acid on survival, ionoregulation and hematology of the silver catfish, Rhamdia quelen (Siluriformes: Heptapteridae), exposed to different pHs
Provedor de dados: 103
Autores: Costa,Silvio T. da; Gressler,Luciane T.; Sutili,Fernando J.; Loebens,Luíza; Lazzari,Rafael; Baldisserotto,Bernardo.
This study evaluates whether humic acid (HA; Aldrich) protects the silver catfish, Rhamdia quelen (Quoy &amp; Gaimard, 1824), against exposure to acidic pH. Survival, levels of Na+, Cl- and K+ plasma, hematocrit, hemoglobin and erythrocyte morphometry were measured. Fish were exposed to 0, 10, 25 and 50 mg L 1 HA at four pH levels: 3.8, 4.0, 4.2 and 7.0 up to 96 hours. None of the fish exposed to pH 3.8 survived for 96 hours into the experiment, and survival of fish subjected to pH 4.0 decreased when HA concentration increased. Plasma Na+ levels decreased when pH was acidic, with no influence of HA, while Cl- levels declined at low pH with increased HA concentration. The levels of K+ at pH 4.0 and 4.2 increased without HA. Hematocrit and hemoglobin...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Blood parameters; Humic acid; Plasma ion levels; Survival.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000300215

A new fossil species of the crabronid wasp genus Tracheliodes (Hymenoptera: Crabronidae) from Dominican amber
Provedor de dados: 103
Autores: Melo,Gabriel A.R.; Rosa,Brunno B.
ABSTRACT The first fossil species of the wasp genus Tracheliodes from Dominican amber is described. Tracheliodes grimaldii sp. nov. is based on a single female specimen exhibiting a somewhat generalized morphology compared to the extant fauna. While the new species resembles the Neotropical species in a few characters, it does not possess the many specialized features exhibited by this species group, especially those related to the female legs. This is the 4th genus and the 7th species of apoid wasps described from Dominican amber.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Apoidea; Crabronini; Fossil; Taxonomy.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100332

Foraging behavior of Brazilian cormorant, Nannopterum brasilianus (Suliformes: Phalacrocoracidae)
Provedor de dados: 103
Autores: Gheler-Costa,Carla; Comin,Fábio Henrique; Gilli,Letícia C.; Verdade,Luciano M.
ABSTRACT Although the concept of optimal foraging has been extensively discussed, foraging efficiency is difficult to assess in vertebrates. In this study, we determined the foraging efficiency of the Brazilian cormorant, Nannopterum brasilianus Gmelin, 1789, by the direct, ad libitum observation of a group of four to thirteen individuals in an artificial pond at the University of São Paulo, Piracicaba, state of São Paulo, southeastern Brazil. Although this study was carried out in a highly anthropic environment, we can still conclude that the Brazilian cormorant is a relatively efficient browser and short-term diver. In anthropic environments, foraging success depends on the amount of time these birds spend diving, and stealing food is less common....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Food biology; Food stealing; Foraging success; Social behavior; Wading birds.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100328

A new species of Sycorax (Diptera: Psychodidae: Sycoracinae) from the Brazilian Atlantic Forest
Provedor de dados: 103
Autores: Bravo,Freddy; Rocha,Leonardo de Souza; Santos,Claudiney Biral dos.
Sycorax confusa sp. nov. is described from the Atlantic Forest of the state of Espírito Santo, Brazil. The new species has a paramere with a long bristle, a characteristic that had only been observed in Sycorax longispinosa Bravo, 2007 from the Brazilian Amazon; the new species can be differentiated from the last one because the middle acute internal projections of each paramere do not cross each other and because the anterior end of aedeagal apodeme is bulbous. A key to the species of Sycorax Haliday in Curtis, 1839 (males) from the Neotropical Region is provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Neotropical Region; Brazil; Moth fly; New species.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500021

Bird species diversity in the Atlantic Forest of Brazil is not explained by the Mid-domain Effect
Provedor de dados: 103
Autores: Cavarzere,Vagner; Silveira,Luís Fábio.
The Atlantic Forest is an excellent case study for the elevational diversity of birds, and some inventories along elevational gradients have been carried out in Brazil. Since none of these studies explain the patterns of species richness with elevation, we herein review all Brazilian studies on bird elevational diversity, and test a geometric constraint null model that predicts a unimodal species-altitude curve, the Mid-domain Effect (MDE). We searched for bird inventories in the literature and also analysed our own survey data using limited-radius point counts along an 800 m elevational gradient in the state of São Paulo, Brazil. We found 10 investigations of elevational diversity of Atlantic Forest birds and identified five different elevational...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Altitudinal gradient; Avian species richness; Geometric constraints; Mountain ecology; Null model; Rain forest.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000400001

Review of Coeliaria (Coleoptera: Coccinellidae: Chnoodini)
Provedor de dados: 103
Autores: Churata-Salcedo,Julissa M.; Almeida,Lúcia M.
ABSTRACT Coeliaria Mulsant, 1850 is revised based on the external morphology and genitalia of the adults and is distinguished from the other Chnoodini by the following characters: dorsal surface pubescent; antenna 11-segmented; hypomera with rounded fovea; tibia flat and angulated; abdominal postcoxal line incomplete, recurved and with oblique line. A new species, Coeliaria castanea sp. nov., from Brazil, and two new combinations, are proposed: Coeliaria bernardinensis comb. nov. and C. luteicornis comb. nov., expanding the distribution of the genus to Bolivia and Paraguay.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coccinellinae; Neotropical Region; Taxonomy.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100317

Glossidiella peruensis sp. nov., a new digenean (Plagiorchiida: Plagiorchiidae) from the lung of the brown ground snake Atractus major (Serpentes: Dipsadidae) from Peru
Provedor de dados: 103
Autores: Huancachoque,Eva; Sáez,Gloria; Cruces,Celso Luis; Mendoza,Carlos; Luque,José Luis; Chero,Jhon Darly.
ABSTRACT During a survey of helminth parasites of the brown ground snake, Atractus major Boulenger, 1894 (Serpentes: Dipsadidae) from Moyobamba, region of San Martin (northeastern Peru), a new species of Glossidiella Travassos, 1927 (Plagiorchiida: Plagiorchiidae) was found and is described herein based on morphological and ultrastructural data. The digeneans found in the lung were measured and drawings were made with a drawing tube. The ultrastructure was studied using scanning electron microscope. Glossidiella peruensis sp. nov. is easily distinguished from the type- and only species of the genus, Glossidiella ornata Travassos, 1927, by having an oblong cirrus sac (claviform in G. ornata), distinctly ovate testes (rounded testes in G. ornata) and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Digenea; Endoparasite; Plagiorchiids; Taxonomy; Snake parasite.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100303

Two new replacement names in Ichneumonidae (Insecta: Hymenoptera) from the Neotropical Region
Provedor de dados: 103
Autores: Fernandes,Daniell R.R.
ABSTRACT New replacement names are proposed in Trathala Cameron, 1899 (Ichneumonidae: Cremastinae) and Enicospilus Stephens, 1835 (Ichneumonidae: Ophioninae) from the Neotropical Region.
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Cremastinae; Enicospilus; Ophioninae; Parasitoid wasp; Trathala.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600539

Notes on Neotropical Proconiini (Hemiptera: Cicadellidae: Cicadellinae): VII: First detailed description of the female genitalia of a Diestostemma species
Provedor de dados: 103
Autores: Mejdalani,Gabriel; Silva,Roberta dos Santos da.
Diestostemma Amyot &amp;amp; Serville, 1843 is a diverse sharpshooter genus with 32 species. A description and illustrations of Diestostemma nasutum Schmidt, 1910 are provided. The species, previously known from Ecuador, is newly recorded from Colombia. Both the male and female genitalia are described for the first time. This is the first detailed description of the female genitalia of a Diestostemma species. Diestostemma nasutum can be distinguished from the other species of the genus by the following features of the aedeagus: shaft with the distal third distinctly curved dorsally; base of basiventral aedeagal process with a lobe directed anteriorly; and basiventral aedeagal process bifurcated on its basal portion. The style of D. nasutum, whose apical...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Diestostemma nasutum; Male; Membracoidea; Morphology; Sharpshooter; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500018

Feeding ecology of stream-dwelling Characidae (Osteichthyes: Characiformes) from the upper Tocantins River, Brazil
Provedor de dados: 103
Autores: Moraes,Maíra; Rezende,Carla Ferreira; Mazzoni,Rosana.
In this contribution we studied the trophic ecology of four Characidae species from the Cavalo Stream, upper Tocantins River, considering diet overlap and trophic niche breadth. The diet of the four species was composed of adult and immature insects, both autochthonous and allochthonous in origin. Autochthonous items dominated the diet of Moenkhausia dichroura (Kner, 1858), Bryconamericus sp., and Creagrutus atrisignum Myers, 1917. By contrast, allochthonous items were dominant in the diet of Astyanax bimaculatus (Linnaeus, 1758). Trophic niche breadth varied among species, with the highest value recorded for M. dichroura (0.48), followed by Bryconamericus sp. (0.39), A. bimaculatus (0.33) and C. atrisignum (0.29). Similarity analysis revealed two groups...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Allochthonous; Autochthonous; Niche; Resource; Stream.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600009

Determination of larval instars in Chironomus sancticaroli (Diptera: Chironomidae) using novel head capsule structures
Provedor de dados: 103
Autores: Richardi,Vinicius S.; Rebechi,Débora; Aranha,José M. R.; Navarro-Silva,Mário A.
Determining the age composition of a population is important when conducting ecological, taxonomic and environmental assessments. Morphometric measurements of the head capsule, especially the length and width, are widely used in the identification of insect instars, but alternative ways for determining the age of insects can expand the options for the analysis of field and laboratory populations. This study evaluated the morphometry of the antennae, mandibles, mentum and ventromental plates to discriminate among the four larval instars of Chironomus sancticaroli Strixino &amp;amp; Strixino, 1981. The larvae were reared in the laboratory under constant temperature (25°C) and photoperiod of 12/12 hours for 19 days, with a supply of food. Fifteen larvae were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Growth rate; Head capsule; Instars; Morphometry.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200011

Diversity and composition of tiger moths (Lepidoptera: Arctiidae) in an area of Atlantic Forest in southern Brazil: is the fauna more diverse in the grassland or in the forest?
Provedor de dados: 103
Autores: Ferro,Viviane Gianluppi; Romanowski,Helena Piccoli.
The Atlantic Forest is considered a biodiversity hotspot for conservation, because its fauna and flora are highly endemic and suffer from loss of natural habitats. This study assessed the composition and diversity of tiger moths (Lepidoptera: Arctiidae) in two floristic formations of the southern Atlantic Forest (grassland and Araucaria forest) and in a transition zone (forest edge). The moths were attracted to UV light reflected onto a white sheet. A total of 3,574 tiger moths were collected, representing 121 species. The rarefaction curves showed that the tiger-moth assemblage collected in the grassland was more diverse than the assemblages from the Araucaria forest and the transition zone. The assemblages in the forest and forest edge resembled each...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Araucaria forest; Arctiinae; Beta-diversity; Lithosiinae.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100002

Morphological variability and distribution of the exotic Asian Mesocyclops thermocyclopoides (Copepoda: Cyclopoida): in the Neotropical region
Provedor de dados: 103
Autores: Suárez-Morales,Eduardo; Mercado-Salas,Nancy F; Morales-Ramírez,Álvaro.
From a series of biological samples collected from different freshwater environments in Costa Rica, Central America, the exotic Asian cyclopoid Mesocyclops thermocyclopoides Harada, 1931 was identified. We analyzed the morphology and appendage ornamentation of different Neotropical populations of this species, including specimens from Honduras, southeastern Mexico, and Costa Rica. We also examined Asian specimens from Taiwan, Indonesia, Vietnam, and Thailand, and performed a comparison of the Neotropical and Asian populations including a Principal Component Analysis (PCA). The Neotropical and Asian specimens show subtle morphological variations in the antennules, antennae, mandibles, swimming legs 1-4, and fifth legs. Some characters in the Neotropical...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Crustacean taxonomy; Freshwater crustaceans; Copepods; Exotic species; Morphometrics.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500016

The role of Asterina stellifera (Echinodermata: Asteroidea) as a predator in a rocky intertidal community in southern Brazil
Provedor de dados: 103
Autores: Calil,Patrícia; Rocha,Rosana M. da; Freire,Carolina A.; Roper,James J.
Populations of Asterina stellifera Möbius, 1859 are declining in southern Brazil and today the species is on the Brazilian list of endangered species. Here we experimentally investigate the ecological role played by A. stellifera as a predator on the rocky substrate community by increasing densities of this species. Starfish taken from other, nearby, locations were added to three replicate plots and their density was maintained every 15 days. None of the total of 32 species that were identified in the encrusting community appeared to be influenced by the experiment. Two species, the barnacle Chthamalus bisinuatus Pilsbry, 1916 and the algae Gracilaria verrucosa (Hudson), showed small apparent responses to predation. We found that A. stellifera only exerts...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Experiment; Predation; Rocky coast; Starfish.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200010

Pitfalls of artificial grouping and stratification of scientific journals based on their Impact Factor: a case study in Brazilian Zoology
Provedor de dados: 103
Autores: Machado,Fábio A.; Zaher,Hussam.
The present contribution explores the impact of the QUALIS metric system for academic evaluation implemented by CAPES (Coordination for the Development of Personnel in Higher Education) upon Brazilian Zoological research. The QUALIS system is based on the grouping and ranking of scientific journals according to their Impact Factor (IF). We examined two main points implied by this system, namely: 1) its reliability as a guideline for authors; 2) if Zoology possesses the same publication profile as Botany and Oceanography, three fields of knowledge grouped by CAPES under the subarea "BOZ" for purposes of evaluation. Additionally, we tested CAPES' recent suggestion that the area of Ecology would represent a fourth field of research compatible with the former...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: CAPES; IF; JIF; QUALIS; Scientometry.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400002

Composition and abundance of porcellanid crabs (Crustacea: Decapoda: Anomura) from rocky bottoms off Vitória Island, southeast coast of Brazil
Provedor de dados: 103
Autores: Alves,Douglas F. R.; Barros-Alves,Samara de P.; Cobo,Valter J.
This study aimed to describe the species composition and abundance of the porcellanid crabs inhabiting the consolidated sublittoral off an island on the southeastern coast of Brazil. During a sampling program at Vitória Island (23º44'S, 45º01'W), collections were carried out monthly from February 2004 through January 2006. The crabs were hand-caught by SCUBA divers during the daytime. The greatest carapace width (CW) was measured, and the sex and developmental stage were identified for each crab. The specimens were grouped into five demographic categories: juvenile males, adult males, juvenile females, adult females, and ovigerous females. A total of 275 crabs belonging to three genera and six species were obtained. Petrolisthes amoenus (Guérin-Méneville,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Checklist; Porcellanidae; Subtidal.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200009

Behavioral repertory of Trichodactylus panoplus (Crustacea: Trichodactylidae) under laboratory conditions
Provedor de dados: 103
Autores: Zimmermann,Bianca L.; Aued,Anaide W.; Machado,Stela; Manfio,Daiara; Scarton,Laura P.; Santos,Sandro.
This work describes the behavioral repertory of Trichodactylus panoplus von Martens, 1869, based on the animals' diel activity and the possible substrate preference under laboratory experiments. Three experimental replicates were carried out, each using six animals (three males and three females). There were four periods of observation a day, with a total of 864 observation sessions and 144 hours of experiments. A total of 15 behavioral acts divided into five categories were recorded: feeding, exploration of the environment, immobility, social interaction, and self-grooming. The obtained results suggest that T. panoplus has greater activity during the night (p &lt; 0.05), yet without showing an activity peak. In addition, the acceptance of food does not...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Decapoda; Diel activity; Ethogram; Substrate preference.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100002

Canaania obesa (Platyhelminthes: Dicrocoeliidae): redescription and new hosts records
Provedor de dados: 103
Autores: Maldonado Junior,Arnaldo; Pinheiro,Jairo; Simões,Raquel de O.; Lanfredi,Reinalda M.
The digenetic trematode Canaania obesa Travassos, 1944 (Dicrocoeliidae) was described as a parasite of the bile ducts of the rodent Akodon cursor Winge, 1887 (Cricetidae) collected in Santa Teresa, state of Espírito Santo, Brazil. In the present study, we report the occurrence of C. obesa infecting three additional sigmodontinae rodent species: Akodon montensis Thomas, 1913; Oligoryzomys nigripes Olfers, 1818 and Nectomys squamipes Brants, 1827, from three municipalities situated at Serra dos Órgãos, Rio de Janeiro, Brazil. Scanning electron microscopy showed that this helminth has a leaf-like shape with conical extremities and the ventral mid body protrudes at the acetabulum level. The microtopography of the tegument shows a heterogeneous surface with...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bile ducts; Digenetic; Rodents; Sigmodontine; Trematode.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500015

A new species of the Xestoblatta surinamensis group from Amazonia, northern Brazil, with redescriptions of X. amaparica , X. surinamensis and X. vera (Blattodea: Ectobiidae)
Provedor de dados: 103
Autores: Silva-da-Silva,Luiz Rafael; Lopes,Sonia Maria.
ABSTRACT Xestoblatta Hebard, 1916 is revisited, with description of X. urucuana sp. nov. from northern Brazil. Additionally the hitherto known species X. amaparica Rocha e Silva Albuquerque &amp; Gurney, 1962, X. surinamensis Bruijning, 1959 and X. vera Rocha e Silva Albuquerque &amp; Fraga, 1975, are redescribed. Information on the genitalia of the males is also provided. All the species are included in the Xestoblatta surinamensis species group and the placement of X. jygautieri Grandcolas, 1992 in this group discussed. To facilitate species identification, we provide a key to the species of the X. surinamensis group, charac terized by the subgenital plate with left style (ventral view) about two to five times larger than right style; right paraproct...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Blattelinae; Dictyoptera; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000603003

Horizontal and vertical distribution of mesozooplankton species richness and composition down to 2,300 m in the southwest Atlantic Ocean
Provedor de dados: 103
Autores: Bonecker,Sérgio L.C.; Araujo,Adriana V. de; Carvalho,Pedro F. de; Dias,Cristina de O.; Fernandes,Luiz F.L.; Migotto,Alvaro E.; Oliveira,Otto M.P. de.
We describe the species richness, distribution and composition of mesozooplankton over the continental shelf and slope, and in the water masses in the Campos Basin, southwest Atlantic Ocean. We analyzed the mesozooplankton from two oceanographic cruises (rainy and dry seasons, 2009) with samples taken in five different water masses from the surface to 2,300 m depth. In the Subsurface Water (SS), in both sampling periods, more species were recorded over the slope (rainy: 100; dry: 128) than the continental shelf (rainy: 97; dry: 104). Over the slope, species richness decreased with increasing depth: the highest values were observed in the South Atlantic Central Water (SACW), and the lowest values in the North Atlantic Deep Water (NADW), in both sampling...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Deep sea; Diversity; Southeastern Brazil; Zooplankton.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500005

Aspectos biológicos e morfológicos de Leucanella viridescens (Lepidoptera: Saturniidae: Hemileucinae)
Provedor de dados: 103
Autores: Specht,Alexandre; Corseuil,Elio; Benedetti,Augusto J.; Poletto,Graziela; Formentini,Aline C.
The goal of this work was to describe aspects of the biology and morphology of Leucanella viridescens (Walker, 1855), a polyphytophagous species that is a pest to several crops of economical interest and whose larvae may cause erucism. Biological parameters were obtained under controlled conditions: temperature of 25 ± 1ºC, relative humidity of 70 ± 10%, and a 14 h photophase. Morphological and behavioral aspects were analyzed in each developmental phase. The larval stage had six instars, with an average growth rate of 1.396. A high degree of polyphytophagy was observed, including over 49 host plant species belonging to 25 families, especially Leguminosae, Solanaceae and Salicaceae. The considerable chromatic variability of the adults obtained from the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caterpillars; Chromatic variation; Erucism; Life cycle; Morphology.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100005

Responses of water mite assemblages (Acari) to environmental parameters at irrigated rice cultivation fields and native lakes
Provedor de dados: 103
Autores: Silva,Guilherme L. da; Metzelthin,Maicon H.; Da-Costa,Tairis; Rocha,Matheus S.; Silva,Darliane E.; Ferla,Noeli J.; Silva,Onilda S. da.
ABSTRACT Many studies have revealed that water mite communities can be affected by the physical and chemical parameters of the water. The similarity between the water ‘mite assemblages in local water bodies and in irrigated rice areas can be a way to measure the water conditions, enabling an assessment of the anthropic impact in the environment. The aim of this study was to evaluate the distribution of water mites in lakes and irrigated rice fields in south Brazil. To accomplish that we characterized the distinctive environments using physical and chemical variables such as pH, turbidity (NTU), water temperature (°C) and dissolved oxygen (mg/L), in order to verify the influence of these abiotic factors on the species composition of water mite communities;...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coastal plain; Habitat; Physical and chemical variables; Rice field; Water mite.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100320

A new species and new records of linyphiid spiders (Araneae: Linyphiidae) from Amazonas, Brazil
Provedor de dados: 103
Autores: Rodrigues,Everton Nei Lopes; Lemos,Yuji; Brescovit,Antonio Domingos.
Linyphiidae is currently the second richest family of spiders in the order Araneae but is poorly known and studied in Brazil, particularly in the northern states. In this contribution we describe a new species of Exechopsis Millidge, 1991 from the State of Amazonas, based on both males and females. The male of Meionetaadami Millidge, 1991 is described for the first time. Mermessus conjunctus (Millidge, 1991), Novafrontina uncata (F. O. Pickard-Cambridge, 1902), Sphecozone fastibilis (Keyserling, 1886), Sphecozone ignigena (Keyserling, 1886) and Vesicapalpus simplex Millidge, 1991 are recorded for the first time from Amazonas. Sphecozone crassa (Millidge, 1991) are presented additional record from Amazonas.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: North of Brazil; Neotropical Region; Complementary descriptions; Spider taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300013

Notes on the neotropical genus Macrinus (Araneae: Sparassidae)
Provedor de dados: 103
Autores: Rheims,Cristina A.
Macrinus Simon, 1887 can be diagnosed by the twisted tegulum with a distal retrolateral laminar projection and the fulcrum with a prolateral serrated projection on the male palp and by the copulatory ducts with an anterior, fused hyaline part and a median long and sclerotized part ending at a slightly rounded spermathecae in the female epigynum. The genus currently includes three species: Macrinus succineus Simon, 1887 and M. jaegeri Rheims, 2007, from Brazil, and M. pollexensis (Schenkel, 1953) from Venezuela. In this paper I describe two new species: Macrinus bambuco sp. nov. and Macrinus calypso sp. nov. The first is based on a male from Lomalinda, Colombia, and is distinguished from the remaining Macrinus by the presence of a retrolateral triangular...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Macrinus bambuco sp. nov; Macrinus calypso sp. nov.; Macrinus mohavensis; Taxonomy; Transfer.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300017

A new species of Campylothorax (Collembola: Entomobryoidea: Paronellidae) from the state of Alagoas, Brazil
Provedor de dados: 103
Autores: Bellini,Bruno Cavalcante; Meneses,Liugo Fernando.
Campylothorax Schött, 1893 is a genus of Paronellidae known only from the Neotropical and Ethiopian zoogeographic provinces. Herein a new species of this genus is described and illustrated. Campylothorax mitrai sp. nov. was found in remains of Atlantic Rainforest at Rio Largo municipality, state of Alagoas, Brazil. It is the ninth described species of Campylothorax and the third recorded from Brazil. Campylothorax mitrai sp. nov. can be distinguished from other species of the genus by its peculiar dark blue color pattern associated to a unique set of setae in the labial triangle, where there is a large distinct seta 'E'. This condition is unique among Campylothorax species. Campylothorax mitrai sp. nov. is the first record of Collembola from Alagoas.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Rainforest biodiversity; Edaphic mesofauna; Paronellinae; Paronellini; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500008

Influences of the area, shape and connectivity of coastal lakes on the taxonomic and functional diversity of fish communities in Southern Brazil
Provedor de dados: 103
Autores: Hartz,Sandra M.; Rocha,Elise A.; Brum,Fernanda T.; Luza,André L.; F.R.,Taís de; Becker,Fernando G.
ABSTRACT In this study we investigated the influence of landscape variables on the alpha taxonomic and functional diversity of fish communities in coastal lakes. We built an analytical framework that included possible causal connections among variables, which we analyzed using path analysis. We obtained landscape metrics for the area, shape and connectivity (estuary connectivity and primary connectivity to neighboring lakes) of 37 coastal lakes in the Tramandaí River Basin. We collected fish data from 49 species using standardized sampling with gillnets and obtained a set of traits related to dispersal abilities and food acquisition. The model that best explained the taxonomic diversity and functional richness took into account the shape of the lakes....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Alpha diversity; Environmental filters; Limiting similarity; Neutral paradigm; Geographic information system.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100316

The reproductive biology of the plata pompano, Trachinotus marginatus (Teleostei: Carangidae), in southern Brazil
Provedor de dados: 103
Autores: Lemos,Valéria M.; Varela Junior,Antônio S.; Velasco,Gonzalo; Vieira,João P.
The Plata pompano, Trachinotus marginatus (Cuvier, 1832), is an endemic carangid of the Southwestern Atlantic Ocean, occurring from Rio de Janeiro to Uruguay. This study describes the reproductive period, spawning type, the size at first gonadal maturation and the length-weight relationship of individuals sampled from landings of the artisanal and commercial fishing fleets in Rio Grande that operate along the coast of Rio Grande do Sul state, southern Brazil (~ 32ºS) to the Uruguayan border (~ 34ºS). Monthly collections from September 2008 through January 2010 yielded 274 individuals ranging from 142 to 444 mm in total length (TL). The gonadal development stages were defined according to the histological examination of the ovaries and the testes. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Reproductive period; Sexual maturation; Spawning; Weight-length relationship.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500008

The direct observational method and possibilities for Neotropical Carnivores: an invitation for the rescue of a classical method spread over the Primatology
Provedor de dados: 103
Autores: Aguiar,Lucas M.; Moro-Rios,Rodrigo F.
Tipo: Info:eu-repo/semantics/other
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400001

Spider species composition in the tree-shrub strata of riparian forests and its microhabitats in southern Brazil
Provedor de dados: 103
Autores: Rodrigues,Everton N.L.; Rodrigues,Patrícia E.S.; Mendonça Jr,Milton de S.
ABSTRACT The composition of the spider fauna of riparian forests is insufficiently known. These forests, adjacent to both aquatic and terrestrial environments, are recognised as having important ecosystem functions. We compare the composition of spider assemblages of four riparian forests in different drainage basins, along with their microhabitats (edges and forest interior), in the state of Rio Grande do Sul, southern Brazil. Sampling was carried out in the riparian forests of the following rivers: Piratini, municipality of Arroio Grande; Camaquã, municipality of Cristal; Sinos, municipality of Parobé, and Maquiné, municipality of Maquiné. Two samples per season were collected in two years, by sampling the tree-shrub strata with a beating tray, following...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Spider assemblage; Beating tray; Ordination; Microhabitats; Riparian forest.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000300701

The surface morphology of the ctenidia of Spondylus spinosus (Mollusca: Bivalvia) from Antalya Bay, Turkey
Provedor de dados: 103
Autores: Aksit,Deniz; Mutaf,Beria Falakali; Balci,Ahmet.
The surface morphology of the ctenidia of Spondylus spinosus Schreibers, 1793 was studied with light and scanning electron microscopy for comparison with the gill structures of other bivalves. The demibranch of S. spinosus is heterorhabdic, with the principal filaments at the descending lamellae and ordinary filaments at the ascending lamellae. The gill lamellae have a prominent gauze-like structure at their distal part, with numerous groups of eight ordinary filaments. They bear ciliary arrays on their frontal surfaces and ostia at their latero-frontal surfaces. Frequent cirral plates form regular interfilamentary junctions. The description of the gill structure of S. spinosus presented here can be used to derive implications for the correlations among...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ciliary structures; Ctenidia; Morphology; Scanning electron microscopy (SEM); Spiny oyster.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100008

Alpaida (Araneae: Araneidae) from the Amazon Basin and Ecuador: new species, new records and complementary descriptions
Provedor de dados: 103
Autores: Saturnino,Regiane; Rodrigues,Bruno V.B.; Bonaldo,Alexandre B.
Two new species of Alpaida, A. levii and A. yanayacu, the male of A. iquitos Levi, 1988 and the female of A. gurupi Levi, 1988 are described and illustrated for the first time. Alpaida levii, described from the states of Pará and Amazonas, is closely related to A. delicata (Keyserling, 1892), but differs in that males have a curved and distally pointed terminal apophysis, and females have the epigynum longer than wide and a drop-shaped median lobe. Alpaida yanayacu is only known from Ecuador and is characterized by long and rounded lateral lobes in ventral view and median lobe wide at base. A brief discussion about the morphological similarity among A. levii, A. delicata and A. truncata (Keyserling, 1865) is presented. Based on the information provided,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arachnida; Distribution; Neotropical Region; Spiders; Taxonomy.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000300241

Comparative morphology of the first zoea of twelve brachyuran species (Crustacea: Decapoda) from the Amazon region
Provedor de dados: 103
Autores: Souza,Adelson S. de; Costa,Rauquírio M. da; Abrunhosa,Fernando A.
The laboratory-hatched first zoeal stage of twelve brachyuran species collected in the estuarine area of the Caeté River in the Amazonian region are described and illustrated in the present study: P. americanus Saussure, 1857, Eurytium limosum (Say, 1818), Sesarma curacaoense De Man, 1892, S. rectum Randall, 1840, Armases rubripes (Rathbun, 1897), Aratus pisonii (H. Milne Edwards, 1837), Ocypode quadrata (Fabricius, 1787), Uca rapax (Smith, 1870), U. maracoani (Latreille, 1802), U. thayeri Rathbun, 1900, Ucides cordatus (Linnaeus, 1763) and Pachygrapsus gracilis (Saussure, 1858). Through intraspecific comparisons of the respective larval stage, an identification key was generated and provided. Most of the studied species presented morphological differences...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Decapod crabs; Identification; Larval morphology; Zooplankton.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300004

The advertisement call of the phytotelm-breeding Melanophryniscus xanthostomus (Anura: Bufonidae)
Provedor de dados: 103
Autores: Mângia,Sarah; Santana,Diego José; Mariotto,Lucas Ribeiro.
ABSTRACT Vocalizations are often useful for understanding taxonomic relationships among anuran species. Despite this usefulness, vocalizations are described in only nine of 29 in Melanophryniscus Gallardo, 1961. Here we describe the advertisement call of Melanophryniscus xanthostomus Baldo, Bornschein, Pie, Ribeiro, Firkowski &amp; Morato, 2015 of a population from Serra Dona Francisca, municipality of Campo Alegre, state of Santa Catarina, Brazil. The advertisement call (of three males, total of 17 calls) comprises two segments (the first with short and single notes, followed by a multi-pulsed note), with a duration of 12.194-20.986 s, and dominant frequency of 3101-3618 Hz (first and second segments combined). The advertisement call of M. xanthostomus...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Bioacoustic; Call description; Natural history; Vocalization.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100319

Reinstatement of Euarche rudipalpa (Polychaeta: Acoetidae), with remarks on morphology and body pigmentation
Provedor de dados: 103
Autores: Salazar-Vallejo,Sergio I.; Rizzo,Alexandra E.; Fukuda,Marcelo V.
Eupanthalis rudipalpa Amaral &amp;amp; Nonato, 1984 was described based on three incomplete, colorless specimens and has not been reported since its original description; the epithet rudipalpa means "hirsute palps", a characteristic that separates it from other congeneric species. Eupanthalis McIntosh, 1876 and Euarche Ehlers, 1887, and their respective type species, E. kinbergi McIntosh, 1876 and E. tubifex Ehlers, 1887, were considered synonyms (E. rudipalpa as a junior synonym of E. tubifex, a cosmopolitan species) by some authors, because both have sessile eyes and two or three antennae. Nonetheless, these two genera are, in fact, distinct. Their type species can clearly be separated using some prostomial features. We provide an emended diagnosis of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acoetids; Color pattern; Eupanthalis; Key to species; Polychaetes.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000300008

Paecilaema batman, a new species of Brazilian troglophilous harvestman that exhibits a remarkable color patches variation (Opiliones: Cosmetidae)
Provedor de dados: 103
Autores: Pinto-da-Rocha,Ricardo; Yamaguti,Humberto.
A new species of harvestman, Paecilaema batman, from Brazilian limestone caves of the state of Goiás, is described, and a remarkable intraspecific color patch variation is discussed. Paecilaema batman sp. nov. differs from other species of the genus by the following combination of features: chelicera similar in both sexes; prosoma without color patches; typical color patches on area I; and area III with two high spines. The new species is considered troglophilous.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Intraspecific variation; Neotropics; Opilionids; Polymorphism.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400011

Functional response of Phytoseiulus macropilis under different Tetranychus urticae (Acari: Phytoseiidae, Tetranychidae) population density in laboratory
Provedor de dados: 103
Autores: Ferla,Noeli Juarez; Marchetti,Marla; Johann,Liana; Haetinger,Claus.
We tested the functional response of the phytoseiid predator Phytoseiulus macropilis (Banks, 1904) to different population densities of Tetranychus urticae Koch, 1836 (the two-spotted spider mite - TSSM) in the laboratory. We evaluated the curve that best fits the data obtained, based on the reduced X². The predators were obtained from leaves of Oso Grande strawberries at the municipality of Bom Princípio, state of Rio Grande do Sul, Brazil. Fifteen seemingly healthy females of P. macropilis were randomly chosen and individualized in each of the arenas with different TSSM densities. The following prey densities were tested: 1, 2, 3, 5, 10, 20, 30, 35, 45, 55, 70 and 125 females. The tests were performed in a germination chamber with photoperiod of 12 hours...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biological control; Bioecology; Strawberry; Two-spotted spider mite; Curve adjust.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100003

The chiggerflea Hectopsylla pulex (Siphonaptera: Tungidae): infestation on Molossus molossus (Chiroptera: Molossidae) in the Central Andes of Colombia
Provedor de dados: 103
Autores: Ramírez-Chaves,Héctor E.; Tamayo-Zuluaga,Andrés Fernando; Henao-Osorio,Jose J.; Cardona-Giraldo,Alexandra; Ossa-López,Paula A.; Rivera-Páez,Fredy A.
ABSTRACT Some species of mastiff bats, Molossus Geoffroy, 1805, inhabit human shelters such as houses and barns. Among them, the Pallas’s mastiff bat, Molossus molossus Pallas, 1766, is the most common species in South America. There are a few studies on this bat in Colombia, mostly on colony size, diet, ectoparasite records, and activity patterns in the Andean and Caribbean regions. Here, we provide information on the prevalence of chiggerfleas, Hectopsylla pulex (Haller, 1880), on M. molossus, along with molecular data on the flea, and its distribution in Colombia. In addition, we describe the size and sex ratio of the infested bat colony, located in the central Andes of Colombia. The bat colony was represented by ca. 45 individuals, of which 33 were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Colony; Distribution; Ectoparasites; Sex ratio; Urban ecosystems.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100320

Gonadal development and sexuality of Larkinia grandis (Arcida: Arcidae) inhabiting southeastern Gulf of California
Provedor de dados: 103
Autores: Sotelo-Gonzalez,Maria I.; García-Ulloa,Manuel; Góngora-Gómez,Andrés M.; Salcido-Guevara,Luis A.; Arzola-González,Juan F.; Sepúlveda,Carlos H.; Sánchez-Cárdenas,Rebeca.
ABSTRACT Larkinia grandis (Broderip &amp; G.B. Sowerby I, 1829), an important fishing resource for Mexican communities, is an Arcidae clam. It is also considered a species with aquaculture potential. In this work we investigated the gonadal phases and sexuality in a population of L. grandis in the Gulf of California. Our findings support the hypothesis that there is one male per female in the population studied. It also documents that the shape, position and color of the gonads of L. grandis are consistent with observations in other Arcidae species. Additionally, five gonadal phases are differentiated and described in males and females (development, mature, spawning, post-spawning and resting), with a noticeable presence of brown cells during post-spawning...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bivalve; Estuary; Gametogenesis; Gonad; Mangrove cockle; Sex cells.
Ano: 2021
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702021000100306

A new species of Aeneolamia (Hemiptera: Cercopidae: Tomaspidinae) from the Neotropical Region
Provedor de dados: 103
Autores: Paladini,Andressa; Cavichioli,Rodney Ramiro.
Aeneolamiabucca sp. nov. is described and illustrated based on specimens collected in the municipality of São José do Barreiro, state of São Paulo, Brazil. This new species can be distinguished from others of the genus by presenting an aedeagus with two long and slender processes directed upward (in the other species of the genus, this processes are directed downward); paramere with only one subapical strong spine and a concavity located below this spine, which is unusual in the Neotropical genera.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhynca; Cercopoidea; New species; Tomaspidini.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300016

Temporal variations of body mass and plumage in Arenaria interpres (Aves: Scolopacidae) along the Brazilian coast
Provedor de dados: 103
Autores: Rodrigues,Roberta C.; Azevedo-Júnior,Severino M. de; Larrazábal,Maria E. L. de; Araujo,Helder F. P. de.
Every year, Brazil receives large flocks of nearly 40 migratory shorebirds species. The accumulation of body fat and nutrients during the summer is necessary for the long return flights of these birds and is fundamental for feather moulting and the change of their plumage. We present here an examination of the relationship between body mass and plumage change in Arenaria interpres (Linnaeus, 1758), one of those birds, over time during its wintering period on the Brazilian coast. We analyzed information collected at five traditional stopover sites along the Brazilian coast, between 1997 and 2007. During the month of September, individuals with intermediate or breeding plumage had smaller body masses as compared to other months. From October to December,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Migration; Moult body; Turnstone; Shorebird; Wintering sites.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300002

First complete description of nest, eggs, and nestlings of the Squamate Antbird, Myrmoderus squamosus (Aves: Thamnophilidae)
Provedor de dados: 103
Autores: Perrella,Daniel F.; Piacentini,Vitor Q.; Zima,Paulo V.Q.; Biagolini-Jr.,Carlos; Ribeiro-Silva,Lais; Francisco,Mercival R.
ABSTRACT Even though nest architecture has been useful for phylogenetic inferences among the Thamnophilidae (Aves: Passeriformes), the nests of only three out of five species of Myrmoderus (Ridgway, 1909) are known to science. Here we describe the nests, eggs, and nestling of the Squamate Antbird Myrmoderus squamosus (Pelzeln, 1868). Two nests were bulky bottom-supported cups, measuring 7.3 and 12 cm in maximum outside diameter, with a noticeably smaller egg cup, and they were placed within the crown of short, broad-leafed plants. Eggs were short-oval, with chalky white background color, and purple blotches and streaks more concentrated in the large end. One nestling was dark reddish grey, with bluish white feet, pinkish gray tarsi, and a blackish bill...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Myrmeciza; Nest type; Phylogeny; Taxonomy.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100320

A remarkable new species of Cavichiana (Hemiptera: Cicadellidae: Cicadellinae) from southeastern Brazil
Provedor de dados: 103
Autores: Quintas,Victor; Takiya,Daniela M.; Côrte,Isabele; Mejdalani,Gabriel.
ABSTRACT Cavichiana Mejdalani et al., 2014 was a formerly monotypic Cicadellinae genus exclusively found in bromeliads from southeastern Brazil. Here a new species is described, diagnosed, and illustrated from Itatiaia National Park, municipality of Itamonte, state of Minas Gerais (Mantiqueira mountain range); specimens were collected on Vriesea spp. (Bromeliaceae). Cavichiana alpina sp. nov. (male holotype in DZRJ) can be recognized by the following combination of features: (1) forewing clavus with basal portion and area along commissural margin orange, remainder of claval area blue (except dark brown apex); (2) corium with large blue area adjacent to claval sulcus, connected to blue area of clavus; (3) distal portion of female and male pygofer not...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bromeliaceae; Cicadellini; Leafhopper; Morphology; Neotropical Region; Taxonomy.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100302

Modeling distribution of Phoneutria bahiensis (Araneae: Ctenidae): an endemic and threatened spider from Brazil
Provedor de dados: 103
Autores: Dias,Marcelo A; Simó,Miguel; Castellano,Ismael; Brescovit,Antonio D.
Phoneutria bahiensis Simó &amp;amp; Brescovit, 2001 is a large ctenid spider inhabiting the states of Bahia and Espírito Santo, Brazil. Considering that it is probably endemic, this species was included in the Brazilian red book of threatened species. Here, we predict the distribution range of P. bahiensis using 19 bioclimatic variables in the model design. The most septentrional record for this spider was indicated for northern Bahia. The model predicts that the distribution range covers the Atlantic Forest from the state of Paraíba to Rio de Janeiro, with the best suitable area in the Atlantic Forest of the state of Bahia. The bioclimatic variable with the best contribution to the model was precipitation in the driest quarter. Based on collected data,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Niche modeling; Bioclimatic variables; Spider distribution.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400004

Spatial distribution of the estuarine ichthyofauna of the Rio Formoso (Pernambuco, Brazil), with emphasis on reef fish
Provedor de dados: 103
Autores: Paiva,Andréa C. G. de; Lima,Marina F. V.; Souza,José R. B. de; Araújo,Maria E. de.
The objectives of the present study were to identify species of reef fish that use the Rio Formoso estuary (northeastern Brazil) as a refuge and natural nursery and to describe the spatial distribution of the estuary fish fauna in rainy and dry seasons. A total of 5475 specimens, across 78 species and 39 families, were analyzed; 51.3% of the species were of reef origin. Among these, Eucinostomus melanopterus (Bleeker, 1863), E. gula (Cuvier, 1830), and Sphoeroides testudineus (Linnaeus, 1758), in this order, were the most abundant in the upper estuary; S. greeleyi Gilbert, 1900, E. melanopterus, and Lutjanus synagris (Linnaeus, 1758) were the most abundant in the mid estuary; and E. gula and Albula vulpes (Linnaeus, 1758) in the lower estuary. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Connectivity; Estuary; Fish community; Reef fishes; Spatial variation.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200009

The first species of Roquettea from Maranhão, Brazil (Opiliones: Cosmetidae: Discosomaticinae)
Provedor de dados: 103
Autores: Kury,Adriano B.
Roquettea decioi sp. nov. is described from Carolina, in the Brazilian state of Maranhão. It is the seventh species in Roquettea Mello-Leitão, 1931 and the eighth species of Opiliones recorded from the state. Roquettea decioi sp. nov may be characterized by ocularium low, with median depression, pedipalpal tibia without pseudo-finger forming chela and massive divergent protuberances on scutal area III.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazonia; Arachnida; Grassatores; Harvestmen; Laniatores; Neotropics.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000500009

In honor of conservation of the Brazilian Atlantic Forest: description of two new damselflies of the genus Forcepsioneura discovered in private protected areas (Odonata: Coenagrionidae)
Provedor de dados: 103
Autores: Pinto,Ângelo Parise; Kompier,Tom.
ABSTRACT Two new Brazilian Protoneurinae damselflies, Forcepsioneura regua sp. nov. (holotype male deposited in DZRJ: Brazil, Rio de Janeiro State, Cachoeiras de Macacu municipality, RPPN Reserva Ecológica de Guapiaçu) and Forcepsioneura serrabonita sp. nov. (holotype male deposited in DZRJ: Brazil, Bahia State, Camacan municipality, RPPNs Serra Bonita) , are described, illustrated and diagnosed based on males and females. The bluish and smaller F. regua sp. nov. has been confused with at least three previously described species, being very similar to the type species of Forcepsioneura, F. garrisoni Lencioni, 1999, but lacking a defined tubercle-like process on the posterolateral margin of the median lobe of the prothorax in both sexes, which allows it to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazoneura; Dragonfly; Damselfly; Protoneurinae; Southeastern Brazil; Taxonomy.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100329

Abiotic modulators of Podocnemis unifilis (Testudines: Podocnemididae) abundances in the Peruvian Amazon
Provedor de dados: 103
Autores: Norris,Darren; Pitman,Nigel C.A.; Martínez Gonzalez,Jerry; Torres,Eriberto; Pinto,Fernando; Collado,Hernán; Concha,Wilberth; Thupa,Raúl; Quispe,Edwin; Pérez,Jorge; Flores del Castillo,Juan Carlos.
Previous studies have demonstrated that river-based surveys can provide an inexpensive source of information for neotropical zoologists, yet little information is available to inform the application of this technique for the long term monitoring of neotropical turtle species. We aimed to fill this gap by presenting an assessment of data collected during 333 river surveys over 50 months along rivers in a newly protected area in the Peruvian Amazon. A total of 14,138 basking Podocnemis unifilis Troschel, 1848 were recorded during 13,510 km of river-based surveys. We used generalized additive models (GAMs) to explore the influence of a series of abiotic and seasonal variables on the recorded abundances at two temporal scales: monthly and per trip. Our...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Basking survey; Conservation; Population monitoring; River turtles; Sighting rates.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300008

No mullet, no gain: cooperation between dolphins and cast net fishermen in southern Brazil
Provedor de dados: 103
Autores: Santos,Mauricio L.; Lemos,Valéria M.; Vieira,João P.
ABSTRACT We report on the interaction between common bottlenose dolphins, Tursiops truncatus (Montagu, 1821) and cast net fishermen in southern coast of Brazil. The fishery was monitored in the mouth of the Tramandaí River Estuary to investigate the seasonality of catches and their relationships with a set of variables: presence/absence and number of bottlenose dolphins, fishing area, temperature, salinity, wind and water flow direction in the channel. The mullet, Mugil liza Valenciennes, 1836 is the target species and was the dominant fish in the catches (77% of total catch; 50% in frequency; 0.2 ind. x f-1). The use of GLM models helped to reveal that the number of the bottlenose dolphins, time of year (months) and spatial variation of fishing activity...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fishing activity; Generalized linear models; Mugil liza; Seasonality; Tramandaí River Estuary; Tursiops truncatus.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100340

Post-marsupial development of Hyalella pleoacuta (Crustacea: Amphipoda): stages 1-4
Provedor de dados: 103
Autores: Garcia-Schroeder,Deise Leda; Araujo,Paula Beatriz.
The goal of this study is to describe and compare the initial stages of the post-marsupial development of Hyalella pleoacuta González, Bond-Buckup &amp;amp; Araujo, 2006, prior to the development of sexual dimorphism. Ovigerous females were collected in São José dos Ausentes, RS, Brazil and kept in laboratory. Juveniles were kept separately after emerging from the marsupium and were monitored daily for the presence of exuvia. Individuals from post-marsupial stages (S) 1 to 4 were dissected and illustrated. Cuticular structures were observed through SEM. Twenty three types of setae, one type of setule, two types of pores, two types of denticles and one type of penicilium were found. Cuticular structures undergo modification through development in the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cuticular structures; Juveniles; Morphology.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300003

Four new species and two new records of Odostomiinae (Gastropoda: Pyramidellidae) from Brazil
Provedor de dados: 103
Autores: Pimenta,Alexandre Dias.
Four new species of the pyramidellid Odostomiinae from Brazil are described: Chrysallida conifera sp. nov., characterized by a small and regularly conical shell with prominent nodules; Parthenina biumbilicata sp. nov., characterized by a deep and wide umbilicus and a regularly increasing aperture diameter at the protoconch, which bears a small circular umbilicus; Eulimastoma franklini sp. nov., which is very similar to Eulimastoma dydima (Verrill &amp;amp; Bush, 1900) but has a prominent helicoid protoconch; Eulimastoma exiguum sp. nov., similar to Eulimastoma weberi (Morrison, 1965) but without spiral ridges. Fargoa diantophila (Wells &amp;amp; Wells, 1961) and Chrysallida nioba (Dall &amp;amp; Bartsch, 1911) are reported from the southwestern Atlantic...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chrysallida; Eulimastoma; Fargoa; Parthenina; West Atlantic.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500007

Coordinated feeding tactics of the Guiana dolphin, Sotalia guianensis (Cetacea: Delphinidae), in Ilha Grande Bay, Rio de Janeiro, Brazil
Provedor de dados: 103
Autores: Tardin,Rodrigo H. O.; Especie,Mariana A.; Nery,Mariana F.; D'Azeredo,Felipe T.; Simão,Sheila M.
Differences in distribution, prey species, season and social learning opportunities influence the feeding tactics used by marine mammals. Here, we analyze the coordinated feeding behavior of the Guiana dolphin, Sotalia guianensis (Van Bénéden, 1864, Delphinidae) and its relation to seasonality and the presence of calves. In a total of 201 feeding bouts, we observed four types of coordinated feeding tactics, which differed in frequency and in mean number of engaged individuals. Tactics in which dolphins used their bodies to herd and capture prey were the most frequent, presenting a higher frequency and engaging a higher number of individuals, suggesting that these tactics are better for capturing fishes which form larger schools. Furthermore, the seasons...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Behavioral flexibility; Feeding repertoire; Social foraging; Social learning.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300002

A new species of the sharpshooter genus Cardioscarta (Hemiptera: Cicadellidae) from Bolivia and Peru
Provedor de dados: 103
Autores: Cavichioli,Rodney Ramiro; Mejdalani,Gabriel.
ABSTRACT The South American sharpshooter genus Cardioscarta Melichar, 1932 comprises six species. In this paper we describe and illustrate C. splendida sp. nov. based on a specimen from Bolivia (male holotype deposited in DZUP). The new species can be recognized by the orange ground color with five transverse dark brown stripes on dorsum (one on crown and four on forewings), and by the aedeagus with two pairs of dorsal processes on the basal apodemes and a single process at the apex of the shaft. A female from Peru is tentatively assigned to the new species and is also described, since it has the same color pattern as the holotype. An updated key to males and females of all known species of the genus is also given.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cicadellinae; Cicadellini; Leafhopper; Morphology; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000103002

A new species of Neoseiulus (Acari: Mesostigmata: Phytoseiidae) with a key for the Brazilian species of the genus
Provedor de dados: 103
Autores: Rocha,Matheus dos Santos; Silva,Guilherme Liberato da; Ferla,Noeli Juarez.
Neoseiulus HUGHES, 1948 is currently one of the largest genus of Phytoseiidae Berlese. Neoseiulus demitei sp. nov., a new species of phytoseiid mite from Rio Grande do Sul State, Brazil, is illustrated and described based on specimens collected on Tibouchina sp. (Melastomataceae) plants. This new species differs from others by having most of propodossomal setae reaching the base of nearby setae and a constriction of ventrianal shield at level of preanal pores. Nevertheless, this new species is the first of the species subgroup kennetti described from Brazil. A key of Neoseiulus species reported in Brazil is also included.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amblyseiinae; Native environment; Neoseiulini; Predator; Rio Grande do Sul.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000300009

Dinâmica populacional da matrinxã Brycon amazonicus (Characidae) na Amazônia Central
Provedor de dados: 103
Autores: Santos Filho,Leocy C. dos; Batista,Vandick da S.
The matrinxã, Brycon amazonicus (Spix &amp;amp; Agassiz, 1829) is one of the most important fishery resources of the Amazonas state. Its population dynamics in Central Amazon was analyzed based on total landing and biometry data registered in the main landing port of Manaus, between 1994 and 2002. Growth and mortality rates were estimated separately for the rivers Purus, Madeira and Solimões. Differences in size structure and growth curves suggest that different population units exist among these rivers, requiring individualized evaluation and fisheries management strategies. The analysis of the yield per recruit does not indicate overexploitation. However, the highest relative exploitation rate was observed in the Madeira river. The suggested management...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fisheries; Growth; Mortality; Stock.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200001

The influence of habitat integrity and physical-chemical water variables on the structure of aquatic and semi-aquatic Heteroptera
Provedor de dados: 103
Autores: Dias-Silva,Karina; Cabette,Helena S. R.; Juen,Leandro; Jr,Paulo De Marco.
This work aimed to assess the effect of certain physical-chemical variables and the Habitat Integrity Index (HII) have on an aquatic and semi-aquatic heteropteran community. We collected in five streams (from 1st to 4th order) that differed in habitat integrity, in order to test 1) whether heteropteran richness decreases with the Habitat Integrity Index; and 2) whether richness responds to alterations in water physical-chemical variables, since these influence community structure. In each stream, linear transects of 100 m were demarcated. A total of 1425 specimens from 10 families, 30 genera and 67 morphospecies were collected. Species richness was correlated with the Habitat Integrity Index (HII), showing a positive relationship only for Gerromorpha. This...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aquatic insect; Biomonitoring; Cerrado; Gerromorpha; Nepomorpha.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600013

Intraspecific interactions in the mangrove crab Ucides cordatus (Decapoda: Ocypodidae) during the metamorphosis and post-metamorphosis periods under laboratory conditions
Provedor de dados: 103
Autores: Ventura,Robson; Silva,Ubiratã A. T. da; Ostrensky,Antonio; Cottens,Kelly.
Current efforts for restocking natural populations of the mangrove crab Ucides cordatus (Linnaeus, 1763) in Brazil have focused on developing a methodology for stimulating the metamorphosis of U. cordatus larvae at a large scale. The aim of the present study was to compare the mortality rates both in individual and mass conditions, during the induction of metamorphosis of megalopa to juvenile in U. cordatus, without the use of mangrove sediment as substrate. Furthermore, the importance of intraspecific antagonistic behavior on survivorship rates during early post-metamorphosis period was investigated. Metamorphosis was induced by the use of water conditioned with conspecific adults (30 indiv. 100 L-1 for 24 hours). In the first assay, megalopae were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cannibalism; Juvenile; Megalopa; Nursery.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100001

Growth and reproductive biology of the amphidromous shrimp Palaemon pandaliformis (Decapoda: Caridea) in a Neotropical river from northeastern Brazil
Provedor de dados: 103
Autores: Paschoal,Lucas R.P.; Guimarães,Fernanda J.; Couto,Erminda C.G.
ABSTRACT Population biology, growth and reproductive aspects of the amphidromous shrimp Palaemon pandaliformis (Stimpson, 1871) were investigated in a Neotropical river of northeastern Brazil. The specimens were collected every month from September 2009 to August 2010. Total and monthly sex ratios deviated in favour of males. Von Bertalanffy growth parameters indicated that the females grew more rapidly, reached larger sizes, and had a longer life span than males. We also observed continuous reproductive activity and juvenile recruitment throughout the year. Relations between the number of eggs (fecundity) and body size indicated that fecundity in females increase with size. Compared with previous results, some population biology parameters of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Morphometric relationships; Palaemonidae; Population biology; Reproduction; Sexual dimorphism.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000600501

Composition and structure of the frugivorous butterfly community (Lepidoptera: Nymphalidae) at the Serra Azul State Park (PESA), Mato Grosso, Brazil
Provedor de dados: 103
Autores: Sousa,Wesley O. de; Sousa,Lincey E.; Silva,Fátima R. J. da; Santos,Wildio I. da Graça; Aranda,Rodrigo.
ABSTRACT Due to the important ecological role of Nymphalidae as consumers of fermented fruits, excrement, exudates of decomposed plants and animals, as well as bioindicators of environmental quality that attract the interest of the general public, this study aimed to characterize the fauna of frugivorous butterflies at the Serra Azul State Park - PESA (Mato Grosso, Brazil) with regards to composition, taxonomic richness and spatial distribution. Collections were carried out in 2014 from six 250 m plots in a RAPELD module (5x5 km). We defined five sampling points in each plot and placed a Van Someren-Rydon trap (VSR), with a bait made from banana fermented in cane juice, positioned 1 m above the ground for 24 hours. We collected 204 specimens of Nymphalidae...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cerrado; Conservation; Inventory; Nymphalidae; Phytophysiognomy.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100309

A new species of Enchenopa (Hemiptera: Membracidae) from the Brazilian Atlantic Forest
Provedor de dados: 103
Autores: Lencioni-Neto,Frederico; Sakakibara,Albino M.
Enchenopa luizae sp. nov. (holotype female from Brazil, State of São Paulo, municipality of São José dos Campos, Parque Natural Municipal Augusto Ruschi at 23°04'05°S", 45°56'22"W, 06.VIII.2011, R. La Rosa leg. deposited in DZUP) is described and diagnosed from the Atlantic Forest Vale do Paraíba, São Paulo, Brazil. The new species is very similar to Enchenopa monoceros (Germar, 1821) in overall aspects but much larger and with inconspicuous lateral secondary carinae. The fourth instar nymph is also briefly characterized.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Insecta; Membracinae; Membracini; Taxonomy; Treehopper.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000300257

New host records of Aglaomelissa duckei and a compilation of host associations of Ericrocidini bees (Hymenoptera: Apidae)
Provedor de dados: 103
Autores: Rocha-Filho,Léo C.; Morato,Élder F.; Melo,Gabriel A. R.
For the first time, confirmed host records are reported for the monotypic Ericrocidini genus Aglaomelissa Snelling &amp;amp; Brooks, 1985. Aglaomelissa duckei (Friese, 1906) emerged from trap-nests of Centris (Heterocentris) analis (Fabricius, 1804) and C. (Heterocentris) terminata Smith, 1874 from two sites in the Brazilian Amazonian region. The parasitism ratio caused by A. duckei was high, varying from 80 to 100% of the brood cells in a single trap-nest. Also, a compilation of the known host records for the species of Ericrocidini is presented and host-parasite associations are discussed. Host associations are known for seven of the 11 genera and about 17 of the 42 species of the tribe, involving a total of 34 confirmed or putative host species of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Apoidea; Cleptoparasitism; Centris; Neotropical; Coevolution.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200012

Ecology of ticks in a taxocenosis of snakes from the Serra do Mendanha, Rio de Janeiro, Brazil, with new host records
Provedor de dados: 103
Autores: Pontes,Jorge A. L.; Gazêta,Gilberto S.; Vrcibradic,Davor; Rocha,Carlos F. D.
We studied the ecology of ticks found in different species of a taxocenosis of snakes from the Serra do Mendanha, an area of Atlantic Rainforest located in the state of Rio de Janeiro, southeastern Brazil. Snakes were sampled monthly in the field during a period of 48 months. The specific identity of the hosts and their parasites, the number of parasites, and and snout-vent length and body mass of each host were recorded. A total of 25% of the species of snakes in the area were parasitized by ticks (larvae, nymphs and adult females) Amblyomma rotundatum Koch, 1844 was the predominant parasite species. The infestation parameters varied among the species of snakes sampled, with the highest prevalence of A. rotundatum being observed in the viperid Bothrops...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acari; Amblyomma rotundatum; Atlantic Rainforest; Ixodidae; Serra do Mendanha; Snakes; Ticks.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200016

Why we shouldn’t blame women for gender disparity in academia: perspectives of women in zoology
Provedor de dados: 103
Autores: Slobodian,Veronica; Soares,Karla D.A.; Falaschi,Rafaela L.; Prado,Laura R.; Camelier,Priscila; Guedes,Thaís B.; Leal,Laura C.; Hsiou,Annie S.; Del-Rio,Glaucia; Costa,Eliza R.; Pereira,Karla R.C.; D’Angiolella,Annelise B.; Sousa,Shirliane de A.; Diele-Viegas,Luisa M.
ABSTRACT The following letter, from a network of women zoologists, is a reply to the article of AlShebli et al. (2020), which suggests that female protégés reap more benefits when mentored by men and concludes that female mentors hinder the success of their female protégés and the quality of their impact. This contribution has two parts. First, we highlight the most relevant methodological flaws which, in our opinion, may have impacted the conclusions of AlShebli et al. (2020). Second, we discuss issues pertaining to women in science, bring a perspective of Women in Zoology and discuss how current diversity policies are positively changing our field.
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Academic settings; Diversity; Gender gap; Gendered metrics; STEM; Women in science.
Ano: 2021
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702021000100101

Morphometric and morphological variation in South American populations of Myotis albescens (Chiroptera: Vespertilionidae)
Provedor de dados: 103
Autores: Moratelli,Ricardo; Oliveira,João Alves de.
Myotis albescens (É. Geoffroy, 1806) occurs from Mexico to Uruguay and Argentina. Despite a large number of specimens in collections, its variability in South America has been underestimated, potentially leading to errors in identification. In order to clarify the taxonomic limits of M. albescens and to evaluate previous hypotheses of geographic variation in size we analyzed the type material and studied the variability in South American samples using multivariate exploratory and confirmatory procedures, as well as frequency analyses of discrete morphological data. The presence of a fringe of hairs along the trailing edge of the uropatagium, the long and silky pelage with frosted appearance on the dorsum, ear 9 to 14 mm long, broad interorbital and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Myotis; Myotinae; South America; Taxonomy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600013

Litter size, effects of maternal body size, and date of birth in South American scorpions (Arachnida: Scorpiones)
Provedor de dados: 103
Autores: Outeda-Jorge,Sabrina; Mello,Thayná; Pinto-da-Rocha,Ricardo.
We present new data on litter size and date of birth (month) for 21 South American scorpions species. We provide data for one katoikogenic species, the liochelid Opisthacanthus cayaporum Vellard, 1932 (offspring = 3; birth month: Jan); and for several apoikogenic species, such as the bothriurids Bothriurus araguayae Vellard, 1934 (53; Sep), B. rochensis San Martín, 1965 (22-28; Jan, Aug); the buthids Ananteris balzanii Thorell, 1891 (10-34; Jan-Mar), Physoctonus debilis (Koch, 1840) (2; Sep), Rhopalurus amazonicus Lourenço, 1986 (19; Nov), R. lacrau Lourenço &amp;amp; Pinto-da-Rocha, 1997 (30; Dec), R. laticauda Thorell, 1876 (41; Nov), R. rochai Borelli, 1910 (11-47; Dec-Jan, Mar-Apr), Tityus bahiensis (Perty, 1833) (4-23; Oct-Mar), T. clathratus Koch,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bothriuridae; Buthidae; Chactidae; Liochelidae; Reproductive investment.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100008

Temporal variations of Collembola (Arthropoda: Hexapoda) in the semiarid Caatinga in northeastern Brazil
Provedor de dados: 103
Autores: Ferreira,Aila Soares; Bellini,Bruno Cavalcante; Vasconcellos,Alexandre.
The richness and abundance of Collembola species can be influenced by many biotic and abiotic factors, mainly humidity. The semiarid region of Brazil is dominated by Caatinga dryland vegetation which experiences distinct seasonal alterations of its physiognomy linked to regional rainfall regimes. The present study evaluated the environmental factors affecting populations of Collembola in an area of Caatinga vegetation in Northeastern Brazil during a 12-months period. Specimens were collected by active searching in ten 20 x 20 m plots, with a sampling effort of 1 hour/person/plot. A total of 1231 specimens were collected, comprising 15 morphospecies, 12 genera, and nine families. Both species richness and individual abundances demonstrated oscillations...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Abundance; Climatic variables; Edaphic fauna; Seasonality; Species richness.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600008

Indices of movement behaviour: conceptual background, effects of scale and location errors
Provedor de dados: 103
Autores: Almeida,Paulo J. A. L.; Vieira,Marcus V.; Kajin,Maja; Forero-Medina,German; Cerqueira,Rui.
A fundamental step in the emerging Movement Theory is the description of movement paths, and the identification of its proximate and ultimate drivers. The most common characteristic used to describe and analyze movement paths is its tortuosity, and a variety of tortuosity indices have been proposed in different theoretical or empirical contexts. Here we review conceptual differences between five movement indices and their bias due to locations errors, sample sizes and scale-dependency: Intensity of Habitat use (IU), Fractal D, MSD (Mean Squared Distance), Straightness (ST), and Sinuosity (SI). Intensity of Habitat use and ST are straightforward to compute, but ST is actually an unbiased estimator of oriented search and ballistic movements. Fractal D is...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diffusion; Fractal dimension; Oriented search; Random walk; Search behaviour.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500002

Epibiont occurrence on gastropod shells used by the hermit crab Loxopagurus loxochelis (Anomura: Diogenidae) on the northern coast of São Paulo, Brazil
Provedor de dados: 103
Autores: Ayres-Peres,Luciane; Mantelatto,Fernando L.
Gastropod shells occupied by hermit crabs are an important attachment substrate for epifauna, and these shells are often damaged. The present study aimed to characterize the epibionts and extent of damage for gastropod shells occupied by the hermit crab Loxopagurus loxochelis (Moreira, 1901). Samples were collected monthly over a period of one year (from July 2002 through June 2003), in the Caraguatatuba and Ubatuba regions, on the northern coast of São Paulo, Brazil. The sampling was performed using a fishing boat equipped with double-rig nets. The shells were identified and weighed. Loxopagurus loxochelis occupied 14 gastropod shell species in Caraguatatuba and five in Ubatuba. In the two areas, approximately 55% of these gastropod shells bore epibionts,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Crustacea; Decapoda; Exobiont; Incrustation.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200010

Tmesiphantes mirim sp. nov. (Araneae: Theraphosidae) from the Atlantic Forest of Bahia, Brazil, biogeographical notes and identification keys for species of the genus
Provedor de dados: 103
Autores: Fabiano-da-Silva,Willian; Guadanucci,José Paulo Leite; DaSilva,Márcio Bernardino.
A new species of Tmesiphantes Simon, 1892 is described and illustrated, based on eight male specimens collected at the Una Biological Reserve, southern state of Bahia, Brazil. It is distinguished by the morphology of male palpal bulb and tibial apophysis. The new species is very small and is the smallest theraphosid described to date (body length 5.5 mm). It is distinguished from congeners by the size, which vary from 12 mm (T. riopretano) to 23.8 mm (T. nubilus) in other species of the genus, aspect of palpal bulb, sternal posterior sigillae close to sternal margin and by the aspect of tibial apophysis which lacks the prolateral branch. Tmesiphantes presently comprises nine species. Sixth have been described for the southern region of Bahia, a well known...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mygalomorphae; Neotropics; Tarantula; Taxonomy; Theraphosinae; Una Biological Reserve.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000200151

Species assemblages of zooplanktonic crustaceans in mountain shallow ponds of Chile (Parque Cañi)
Provedor de dados: 103
Autores: Ríos,Patricio De los; Roa,Guido.
Even though the Chilean lakes are characterized by their oligotrophy, a transition from oligotrophy to mesotrophy, due human intervention, has been reported in some lakes. Nevertheless, there are still some pristine and unpolluted small lakes and ponds in mountain zones, free of human intervention and surrounded by native forests. Nine unpolluted, oligotrophic and pristine water bodies located in Cañi Park, a mountain zone with altitudes between 1000 to 1500 m a.s.l and forests where Nothofagus dombeyi, N. pumilio and Araucaria araucana predominate, were studied. For each sampled lake, zooplankton was collected and environmental parameters were obtained (conductivity, total dissolved solids, and chlorophyll concentration). A null model of species...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Boeckella gracilis; Null model; Oligotrophy; Zooplankton.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100012

Tool use in urban populations of capuchin monkeys Sapajus spp. (Primates: Cebidae)
Provedor de dados: 103
Autores: Aguiar,Lucas M.; Cardoso,Raphael M.; Back,Janaína P.; Carneiro,Eduarda C.; Suzin,Adriane; Ottoni,Eduardo B.
Capuchin monkeys, Sapajus Kerr, 1792, are known for their flexible behavior, including tool use, and their ability to survive in urban forests. We observed capuchin juveniles using wood as hammer and anvil and different materials as sponges (four tool-use events) in two geographically distinct urban populations in Brazil, in 2012: two in Goiânia, Central Brazil and two in Foz do Iguaçu, Southern Brazil. In Goiânia, a male used a detached tree branch as a hammer and a buttress root as an anvil to pound a seed of Terminalia Linnaeus. Another male used a small branch with leaves as a dipping tool to access water inside a tree trunk hole. In Foz do Iguaçu, the capuchins used a small branch and a piece of bread to obtain water by dipping them into tree trunk...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Animal self-control; Behavioral flexibility; Food provisioning; Urban wildlife; Values of nature conservancy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500012

Encounter rate and behavior of Alouatta guariba clamitans in the Ilha Grande State Park, Rio de Janeiro state, Brazil
Provedor de dados: 103
Autores: Ferreguetti,Atilla C.; Oliveira,Amanda B.M. de; Pereira,Bruno C.; Santori,Ricardo T.; Geise,Lena; Bergallo,Helena G.
ABSTRACT Alouatta guariba clamitans Cabrera, 1940 is an endemic species of the Atlantic Forest that occurs from south Bahia, Brazil, extending south to the province of Misiones, Argentina. In Rio de Janeiro state, the species was classified as threatened, indicating that attention is needed for the conservation of this taxon. Additionally, an outbreak of yellow fever spread throughout the southeastern states of Brazil from January 2017 until March 2018 seriously threatening Rio de Janeiro populations of the species. Herein, we aimed to provide the first estimates of A. g. clamitans encounter rate, density, and population size in the Ilha Grande State Park (PEIG), which is part of the Atlantic Forest biome of Brazil. Data were collected in two different...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Distance sampling; Linear transect; Primates; Scan-sampling; Southern brown howler monkey.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100305

Longer is not always better: The influence of beach seine net haul distance on fish catchability
Provedor de dados: 103
Autores: Lombardi,Pryscilla Moura; Rodrigues,Fábio Lameiro; Vieira,João Paes.
The aim of this study was to compare the influence of different haul distances of a codend beach seine on the catchability of fish in a surf zone. Two different surf zone sites (A and B) at the Cassino Beach (Rio Grande do Sul, Brazil) were sampled at three different distances, parallel to the beach (30, 60, and 90 m). Starting 40 m from the beach line, diagonal distances of approximately 50, 70, and 100 m were swept. The total CPUE and CPUA haul distances are compatible with a declining trend in catch rates with increased haul distance at both sites. However, statistically significant differences were observed only for the short distance CPUA (50 m) in relation to the other haul distances at one of the sites sampled. Two fish size groups were observed (TL...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fish abundance; Fish size; Sampling gears; Surf zone.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000100005

Species of the Hoplias aff malabaricus complex (Characiformes: Erythrinidae): An investigation of coexistence in a Neotropical floodplain
Provedor de dados: 103
Autores: Hauser,Marília; Benedito,Evanilde.
This study assessed the coexistence of three species of thraira present in the Upper Paraná River floodplain, using population structure as an investigation tool. The species were designated as: Hoplias sp. 1, introduced after the construction of the Itaipu reservoir, and Hoplias sp. 2 and Hoplias sp. 3, native species that have been identified as Hoplias aff. malabaricus. We tested the hypothesis that those species in fact differ from each other in respect of population abundance, sex ratio, relative frequency of adults and juveniles, length structure and weight-length relationship. Additionally, possible effects of the flood pulse on the first four of these parameters were investigated. Samples were collected quarterly from March 2006 to December 2007...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Dams; Flood pulse; Species introduction; Structure population; Thraira.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100007

Morphology of immatures of Euschistus (Mitripus) grandis (Insecta: Hemiptera: Pentatomidae)
Provedor de dados: 103
Autores: Biasotto,Larissa Donida; Bianchi,Filipe Michels; Campos,Luiz Alexandre.
Immatures are important sources of information about characters, thus potentially improving classification and phylogenies. Euschistus (Mitripus) grandis Rolston, 1978 occurs in southern and southeastern Brazil. There are no references in the literature about this species other than the original description and distribution records. Our aim is to describe the egg and five nymphal instars of E. (M.) grandis, addressing the ontogeny of the external scent efferent system. Specimens of E. (M.) grandis were collected on Solanum pseudocapsicum Linnaeus (Solanaceae) in São Francisco de Paula, Rio Grande do Sul, Brazil, and reared in the laboratory. The egg of E. (M.) grandis is white and barrel-shaped, chorion translucent bearing spines connected by thin sheets...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brown stink bug; Carpocorini; Chorion sculpturing; Dorsal abdominal glands; Nymph.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300015

Reproductive responses of the male Brandt’s vole, Lasiopodomys brandtii (Rodentia: Cricetidae) to tannic acid
Provedor de dados: 103
Autores: Dai,Xin; Zhou,Ling-Yu; Xu,Ting-Ting; Wang,Qiu-Yue; Luo,Bin; Li,Yan-Yu; Gu,Chen; Li,Shi-Ping; Wang,Ai-Qin; Wei,Wan-Hong; Yang,Sheng-Mei.
ABSTRACT Tannins are polyphenols that are present in various plants, and potentially contain antioxidant properties that promote reproduction in animals. This study investigated how tannic acid (TA) affects the reproductive parameters of male Brandt’s voles, Lasiopodomys brandtii (Radde, 1861). Specifically, the anti-oxidative level of serum, autophagy in the testis, and reproductive physiology were assessed in males treated with TA from the pubertal stage. Compared to the control, low dose TA enhanced relative testis and epididymis weight and sperm concentration in the epididymis, and significantly increased the level of serum superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-Px). mRNA levels of autophagy related genes LC3 and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Antioxidative; Autophagy; Puberty; Reproduction.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100319

A comparison of dung beetle assemblage structure (Coleoptera: Scarabaeidae: Scarabaeinae) between an Atlantic forest fragment and adjacent abandoned pasture in Paraná, Brazil
Provedor de dados: 103
Autores: Lopes,José; Korasaki,Vanesca; Catelli,Lizandra L; Marçal,Viviani V. M; Nunes,Maria Paula B. P.
The study was conducted at the Mata dos Godoy State Park in Londrina, state of Paraná, Brazil. Baited pitfall traps were installed in the forest, in adjacent abandoned pasture land, and on the borders between these two environments. Every two weeks, from June 1999 to May 2000, the traps were placed for 24 hours and the material was collected every 12 hours. The 4687 specimens of Scarabaeinae collected belong to 13 genera and 27 species. The most frequent species were Onthophagus catharinensis (Paulian, 1936) (22.1%), Onthophagus hirculus (Mannerhein, 1829) (20.1%), Dichotomius mormon (Ljungh, 1799) (13.1%), Sulcophanaeus menelas (Laporte, 1840) (12.8%), and Eurystemus parallelus (Dalman, 1824) (10.6%). The other species collected amounted to less than...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coprophagous beetle; Ecological indicator; Forest fragment; Pitfall; Scarabaeidae.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100011

A new Brazilian species of Isotomiella (Collembola: Isotomidae) from the state of Pará, Brazil
Provedor de dados: 103
Autores: Mendonça,Maria Cleide de; Queiroz,Gabriel Costa.
ABSTRACT A new species of Isotomiella from Pará State is described and illustrated. This new species belongs to the digitata group, but differs from other by the number of chaetae on manubrium and dens, teeth on the tenaculum and size of the sensilla on abdominal tergites V-VI.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Digitata group; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000303002

Biodiversity of decapod crustaceans in the estuarine floodplain around the city of Belém (Pará) in Brazilian Amazonia
Provedor de dados: 103
Autores: Cavalcante,Danielle Viveiros; Silva,Bianca Bentes da; Martinelli-Lemos,Jussara Moretto.
The present study focused on the decapod fauna of the fluvial-estuarine environment of the Guajará Bay, in the Brazilian state of Pará, where specimens were collected monthly from six sites, from May 2006 to April 2007. A total of 6,793 specimens were captured, belonging to 11 species of crab and shrimp: eight palaemonids - Macrobrachium amazonicum (Heller, 1862), Macrobrachium surinamicum Holthuis, 1948, Macrobrachium carcinus (Linnaeus, 1758), Macrobrachium rosenbergii (De Man, 1879), Macrobrachium spp. 1-4 -, one portunid - Callinectes bocourti A. Milne-Edwards, 1879 -, and two trichodactylids - Sylviocarcinus devileii H. Milne-Edwards, 1853 and Sylviocarcinus pictus (Milne-Edwards, 1853). While no significant differences were found in the ecological...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Decapoda; Diversity; Estuary.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000300003

Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae)
Provedor de dados: 103
Autores: Okuthe,Grace E.; Bhomela,Bongile.
ABSTRACT This study described anatomical, histological and histochemical features of the mucosal layer of the digestive tract of Tilapia sparrmanii Smith, 1840, an omnivorous freshwater fish endemic to Southern Africa. This species exhibited a short thick oesophagus with long deep longitudinal folds (466.68 ± 16.91 µm), and a thick (173.50 ± 10.92 µm) muscular layer that allow the passage of large food items. The mucosa was lined with stratified secretory epithelium rich in goblet cells that secreted neutral and acid mucins. The stomach was a sac-like structure with simple tubular glands surrounded by connective tissue. The mucosa was lined with simple columnar epithelium and the lamina propria exhibited a well-developed layer of gastric glands that...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fish; Gastrointestinal tract; Histo-architecture.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100325

Campylorhamphus procurvoides successor (Aves: Dendrocolaptidae) is a junior synonym of Campylorhamphus trochilirostris notabilis
Provedor de dados: 103
Autores: Portes,Carlos Eduardo; Aleixo,Alexandre.
The taxonomy of the genus Campylorhamphus Bertoni, 1901 is still uncertain, with many inconsistent evolutionary patterns implied by current taxonomy. A re-analysis of the type-series of Campylorhamphus procurvoides successor Todd, 1948 revealed that the holotype is indistinguishable from Campylorhamphus trochilirostris notabilis Zimmer, 1934, while the paratypes belonged either to the latter taxon or to a second already named taxon (Campylorhamphus trochilirostris snethlageae Zimmer, 1934), and a third and yet undescribed taxon allied to Campylorhamphus procurvoides. Here, we present statistical analyses of morphological data supporting the synonymization of C. p. successor into C. t. notabilis, the name with priority. Our findings resolve the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Distribution; Habitat selection; Synonymization; Terra-firme forest; Taxonomy; Várzea forest.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300019

Replacement and growth of primary feathers in captive rock pigeons, Columba livia (Aves: Columbidae)
Provedor de dados: 103
Autores: Mallet-Rodrigues,Francisco.
The replacement and growth of 311 primary feathers of eight captive male rock pigeons, Columba livia Gmelin, 1789 were monitored daily. Feather replacement was recorded in all months, but the primaries 1 to 5 (innermost primaries) were replaced mostly from September to December, whereas the primaries 6 to 10 (outermost primaries) were more frequently replaced from January to August. Each primary was held in plumage from six to fifteen months, but the lifetime of the outer feathers was longer than that of the inner feathers. A new primary emerges two or three days after its predecessor has been dropped, but the primaries replacing the feathers accidentally lost during bird handling emerge only after about eight days. The average growth period of a primary...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Feather growth; Feather replacement; Molt; Primary feather.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000200004

Dactylogyrids (Monogenoidea: Polyonchoinea) parasitizing the gills of snappers (Perciformes: Lutjanidae): revision of Euryhaliotrema with new and previously described species from the Red Sea, Persian Gulf, the eastern and Indo-west Pacific Ocean, and the Gulf of Mexico
Provedor de dados: 103
Autores: Kritsky,Delane C.
Twenty one of 29 species of snappers (Lutjanidae), examined for dactylogyrids (Monogenoidea) from the Red Sea, Persian Gulf, the Indo-west and eastern Pacific Ocean, the Gulf of Mexico, and Caribbean Sea were parasitized by 16 new and 11 previously described species of Euryhaliotrema: Euryhaliotrema adelpha sp. nov., Euryhaliotrema anecorhizion sp. nov., Euryhaliotrema cardinale sp. nov., Euryhaliotrema chrysotaeniae, Euryhaliotrema cognatus sp. nov., Euryhaliotrema cryptophallus sp. nov., Euryhaliotrema diplops sp. nov., Euryhaliotrema distinctum sp. nov., Euryhaliotrema fajeravilae sp. nov., Euryhaliotrema fastigatum, Euryhaliotrema fatuum sp. nov., Euryhaliotrema ferocis sp. nov., Euryhaliotrema hainanense, Euryhaliotrema longibaculum, Euryhaliotrema...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aliatrema; Dactylogyridae; Euryhaliotrema; Euryhaliotrematoides; Lutjanidae; Lutjanus spp.; Monogenoidea; Ocyurus chrysurus; Rhomboplites aurorubens.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000300006

Annual and daily patterns of calling activity in male Scinax fuscomarginatus (Anura: Hylidae) from Central Brazil
Provedor de dados: 103
Autores: Souza,Antonio Olímpio de; Oliveira,Seixas Rezende; Dias,Gardênia Proto; Bastos,Rogério Pereira; Morais,Alessandro Ribeiro de.
ABSTRACT Bioacoustics is an effective way of recording detailed data during population surveys and monitoring. In the present study, we used an automated digital recorder (ADR) to describe the temporal variation in the calling activity of Scinax fuscomarginatus (Lutz, 1925) in central Brazil. We also evaluated the role of climatic variables (air temperature and precipitation) on calling activity by using a Generalized Additive Model (GAM). We conducted the recordings at five ponds in the Cerrado savanna of Rio Verde Municipality, in Goiás state between November 2013 and October 2014. The analysis of the 43.2 hours of acoustic recording showed that S. fuscomarginatus has a prolonged breeding pattern. The ADR provides a fine-scale description of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acoustic survey; Anurans; Automated recording; Breeding period; Phenology; Seasonal variability; Vocalization behavior.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100328

Redescription of Epiperipatus edwardsii, and descriptions of five new species of Epiperipatus from Brazil (Onychophora: Peripatidae)
Provedor de dados: 103
Autores: Costa,Cristiano Sampaio; Chagas-Junior,Amazonas; Pinto-da-Rocha,Ricardo.
ABSTRACT Epiperipatus edwardsii (Blanchard, 1847) is redescribed based on fresh material collected near the type locality. Additionally, five new species of velvet worms of the genus Epiperipatus Clark, 1913 from Brazil are described: Epiperipatus hyperbolicus sp. nov., Epiperipatus lucerna sp. nov., Epiperipatus titanicus sp. nov. (Holotypes deposited in MNRJ: Murici, Alagoas State), Epiperipatus beckeri sp. nov. (Holotype female deposited in MNRJ: Camacan, Bahia State) and Epiperipatus marajoara sp. nov. (Holotype male deposited in MZUSP: Breves, Marajó island, Pará State). The peculiar shape of the primary papillae (artichoke-like) of E. titanicus sp. nov. and E. beckeri sp. nov. is documented for the first time. Epiperipatus titanicus sp. nov. has the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: French Guyana; Neotropics; Onychophorans; Peripatus; Taxonomy.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100339

Estudo dos vestígios de peixes dos sítios arqueológicos da área de influência da Usina Hidrelétrica Machadinho, Rio Grande do Sul, Brasil
Provedor de dados: 103
Autores: Ricken,Cláudio; Malabarba,Luiz Roberto.
The analysis of the material obtained in the rescue of archaeological sites in the area surrounding the Hydroelectric Plant of Machadinho, Rio Grande do Sul, revealed that a considerable amount of bones and fish scales incorporated in the alimentary remains. Using an osteological collection as reference, we identified remains of Salminus brasiliensis (Cuvier, 1816) (Characidae), Brycon orbignyanus (Valenciennes, 1849) (Characidae), Pogonopoma obscurum Quevedo &amp;amp; Reis, 2002 (Loricariidae), Hemiancistrus fuliginosus Cardoso &amp;amp; Malabarba, 1999, Prochilodus lineatus (Valenciennes, 1836) (Prochilodontidae), Schizodon sp. (Anostomidae), Leporinus sp. (Anostomidae), Hoplias sp. (Erythrinidae), Hypostomus sp. (Loricariidae) and Crenicichla sp....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Alimentary remains; Archaeology; Ichthology; Paleoenviroment; Zooarcheology.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300011

Gross anatomy of the stomach of the pampas deer, Ozotoceros bezoarticus (Artiodactyla: Cervidae)
Provedor de dados: 103
Autores: Perez,William; Ungerfeld,Rodolfo.
The macroscopic anatomy of the stomach of the adult pampas deer, Ozotoceros bezoarticus (Linnaeus, 1758), a cervid species considered to ingest high quantities of grass in its natural diet, was described. Fourteen deceased adult pampas deer of both sexes from a captive breeding station were used for this study. There were no differences in the absolute or relative size from the different compartments of the stomach in relation to gender. Compared to measurements in other ruminants, pampas deer appeared anatomically capable of feeding on a variety of diets as an 'intermediate feeder'.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Abdomen; Abomasums; Cervidae; Forestomach; Ruminant.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000400006

Determinants of geographical distribution in Atlantic Forest species of Drymophila (Aves: Thamnophilidae)
Provedor de dados: 103
Autores: Rajão,Henrique; Cerqueira,Rui; Lorini,Maria Lucia.
Climate, altitude and vegetation are usually considered as limiting factors in plant and animal distribution. Among vertebrates, climate and vegetation have consistently been considered as major determinants of geographical distributions. Here we analyzed the role of climate and the vegetation in limiting the geographical range of Atlantic Forest species of Drymophila Swainson, 1824 and assessed the performance of discriminant analysis to model the distribution of sympatric taxa. From each empirical point (locality) we recorded the values for nine climatic variables and the type of vegetation. The climatic data were obtained from a climate database elaborated by the Laboratório de Vertebrados and vegetation data from the ecoregions digital map of Latin...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biogeography; Climate; Potential distribution; Sympatric species; Vegetation.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100004

Molecular evidence for the polyphyly of Bostryx (Gastropoda: Bulimulidae) and genetic diversity of Bostryx aguilari
Provedor de dados: 103
Autores: Ramirez,Jorge L.; Ramírez,Rina.
Bostryx is largely distributed in Andean Valleys and Lomas formations along the coast of Peru and Chile. One species, Bostryx aguilari, is restricted to Lomas formations located in the Department of Lima (Peru). The use of genetic information has become essential in phylogenetic and population studies with conservation purposes. Considering the rapid degradation of desert ecosystems, which threatens the survival of vulnerable species, the aim of this study was, first, to resolve evolutionary relationships within Bostryx and to determine the position of Bostryx within the Bulimulidae, and second, to survey the genetic diversity of Bostryx aguilari, a species considered rare. Sequences of the mitochondrial 16S rRNA and nuclear rRNA regions were obtained for...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Land snails; Lomas; Molecular systematic; Orthalicoidea; RRNA.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100010

Diurnal roosts and minimum home range defined by sleeping sites of a thin-spined porcupine Chaetomys subspinosus (Rodentia: Erethizontidae)
Provedor de dados: 103
Autores: Zortéa,Marlon; Brito,Bernardo F. A. de.
The thin-spined porcupine Chaetomys subspinosus (Olfers, 1818) is a species endemic to the extremely disturbed and fragmented Brazilian Atlantic forest. Little is known about its natural history. We analyzed the preferences of porcupine diurnal roost and home range, based on one relocated adult male that was radio-monitored during 1999. The individual was captured in the urban zone of Santa Teresa, Brazil, and relocated to a forest reserve 6 km from the capture site. The thin-spined porcupine feeds only on leaves. It prefers intermediate forest stratum (6-15 m of height) for roosting during daytime, generally using inclined branches with a diameter of 2 to 5 cm. Most observations indicated a prehensile tail position. Home range was relatively large (15.81...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic forest; Conservation; Radio-tracking; Roost; Thin-spined porcupine; Translocation.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200008

Ituglanis boticario, a new troglomorphic catfish (Teleostei: Siluriformes: Trichomycteridae) from Mambaí karst area, central Brazil
Provedor de dados: 103
Autores: Rizzato,Pedro Pereira; Bichuette,Maria Elina.
A new subterranean and troglomorphic species of Ituglanis Costa and Bockmann, 1993 is described from the carbonatic karst area of northeastern Goiás state, upper Tocantins River Basin, central Brazil, representing the sixth subterranean species of the genus described from the same region. Ituglanis boticario sp. nov. is diagnosed by a combination of unusual characters for the genus: body pigmentation forming longitudinal stripes, 7-8 pairs of ribs, presence of the anterior segment of the infraorbital laterosensory canal, and usually 8 pectoral-fin rays. Due to the absence of epigean populations and the presence of some degree of morphological specialization to the subterranean environment, it can be classified as a troglobite (i.e., exclusively...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cave fauna; Taxonomy; Troglobite; Upper Tocantins River Basin.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000600006

Description of the puparium of Manotes plana (Diptera: Stratiomyidae: Pachygastrinae) from the Ilha da Marambaia, Mangaratiba, state of Rio de Janeiro, Brazil
Provedor de dados: 103
Autores: Xerez,Roberto de; Lopes,Ana Lúcia de Freitas.
The puparium of Manotes plana Kertész, 1916 is described based on the exuviae of six larvae collected under the bark of a plant in early state of decomposition in the Ilha da Marambaia (23°04'15"S, 43°53'59", at sea level), state of Rio de Janeiro, Brazil. The external morphology and chaetotaxy is compared with the previously described puparium of Manotes crassimanus James, 1980. The texture and shape of the setae of M. crassimanus are plumose and some setae are claviform while M. plana are setiform. In M. plana the ventro-craneal furrow extends from the posterior region of the mouthparts until the median region of the head. In M. crassimanus, the furrow extends until the posterior third of the head. No diferrence occurs in position in the puparia of both...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Decomposition; Immature; Larvae; Neotropical; Soldier flies; Taxonomy.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300024

Invading the natural marine substrates: a case study with invertebrates in South Brazil
Provedor de dados: 103
Autores: Bumbeer,Janaína; Rocha,Rosana Moreira da.
ABSTRACT The number of biological invasions has grown dramatically in recent decades, as well as the world's human population and coastal development. Anthropogenic habitats, such as pier pilings and break waters, have been constantly added to marine environment, usually concentrated in estuarine areas. These habitats are focal points for marine invasions, but relatively little is known about the spread of non-indigenous species (NIS) to nearby natural habitats. This study aimed to determine the extent to which NIS have spread to natural substrates both inside estuarine areas and in the adjacent open sea. We conducted a field survey and a literature review, which have been critically discussed and validated. The updated NIS list of benthic invertebrates...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anthropogenic habitats; Natural habitats; Checklist; Invertebrates; Marine bioinvasion.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000300601

Differential detectability of rodents and birds in scats of ocelots, Leopardus pardalis (Mammalia: Felidae)
Provedor de dados: 103
Autores: Pires,Mathias M.; Widmer,Cynthia E.; Silva,Claudio; Setz,Eleonore Z. F.
Scat analysis is a valuable tool for the description and quantification of mammal diets. However, estimating the number of prey eaten using prey remains found in feces is difficult mainly due to differential digestibility of prey. In this context, we performed feeding trials with captive ocelots, Leopardus pardalis (Linnaeus, 1785), to evaluate the time needed until complete elimination in feces of different prey such as rodents and birds. Rodents took up to five days and birds two days until complete elimination. Our results are consistent in showing that elimination time differs for different prey and some prey may take a long time to be expelled, inducing errors in dietary studies.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Captive; Diet; Feeding trial; Prey.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200019

Approaches to capturing the Black and White Tegu Salvator merianae (Squamata: Teiidae)
Provedor de dados: 103
Autores: Vieira,Renata C.; Oliveira,Arthur S. de; Fagundes,Nelson J.R.; Verrastro,Laura.
ABSTRACT The use of traps is extremely important in several types of ecological studies, and may assist in the capture of individuals in areas that are difficult to access. In the present study, we compared the effectiveness of wooden (Schramm) versus "Tomahawk" traps to capture Salvator merianae (Duméril &amp; Bibron, 1839) lizards. The study was conducted in Eldorado do Sul, Rio Grande do Sul, Brazil. Field data were collected from August 2013 to March 2015, during the reproductive period of the species. The study involved two types of baited traps: i) "Tomahawk", made of galvanized steel; and ii) Schramm, a wooden trap. The capture rate of the Schramm wooden traps was 1.63 individuals/day, and of the "Tomahawk" was 0.36 individuals/day. These results...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Capture; Ecology; Traps; Tomahawk.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000400317

Herpetofauna of Paranapiacaba: expanding our knowledge on a historical region in the Atlantic forest of southeastern Brazil
Provedor de dados: 103
Autores: Trevine,Vivian; Forlani,Maurício C.; Haddad,Célio F. B.; Zaher,Hussam.
The largest area of preserved Atlantic forest is located in the southern portion of Brazil. The region of Paranapiacaba is depicted in Brazilian zoological studies as one of the first and most intensely sampled areas of the state of São Paulo.We provide a concise list of reptiles and amphibians from the Paranapiacaba Municipal Park. It represents the first comprehensive survey of the group in the area. We recorded 136 species of reptiles and amphibians from field surveys, museum collections and the literature. The anuran diversity of Paranapiacaba is greater than that of Estação Ecológica de Boracéia, which has been considered the most distinctive areas in São Paulo in terms of amphibian diversity. The rich history of herpetological research in the region,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anuran conservation; Conservation unit; Herpetofaunal diversity; Historical records; São Paulo state.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000200004

Errata for ZOOLOGIA volumes 28(6) and 30(2)
Provedor de dados: 103
Tipo: Info:eu-repo/semantics/other
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600016

A new species of burrowing snake (Serpentes: Dipsadidae: Apostolepis ) from the state of Mato Grosso, Central-West region of Brazil
Provedor de dados: 103
Autores: Santos,Fernanda Martins dos; Entiauspe-Neto,Omar Machado; Araújo,Jailini da Silva; Souza,Moisés Barbosa de; Lema,Thales de; Strüssmann,Christine; Albuquerque,Nelson Rufino de.
ABSTRACT During a faunal rescue conducted at a hydroelectric power station constructed in a Cerrado savanna area in the state of Mato Grosso, a sample of five small stripe-patterned individuals of snakes of the genus Apostolepis Cope, 1862 document the existence of an undescribed species, which is named herein. The new species can be distinguished from its congeners by a combination of scale counts, number of maxillary teeth and color pattern. The new species is most similar to Apostolepis borellii Peracca, 1904, A. lineata Cope, 1887, A. nelsonjorgei Lema &amp; Renner, 2004, A. nigroterminata Boulenger, 1896, A. serrana Lema &amp; Renner, 2006 and A. underwoodi Lema &amp; Campbell, 2017 in its coloration pattern. However, it is distinguished from these...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Cerrado; Chapada dos Guimarães; Elapomorphini; Taxonomy.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100327

Body orientation for thermoregulation and daily activity cycle of Mabuya macrorhyncha (Squamata: Scincidae)
Provedor de dados: 103
Autores: Maia-Carneiro,Thiago; Winck,Gisele R.; Pereira,Mariana Rodrigues; Rocha,Carlos Frederico Duarte.
ABSTRACT We investigated the daily activity and thermoregulatory body orientation of Mabuya macrorhyncha (Hoge, 1947), a lizard species that occurs in the Brazilian Atlantic Forest. We conducted this investigation in a sandy coastal dune remnant (“restinga” ecosystem) in Grussaí, state of Rio de Janeiro, Brazil, during the summer. The daily activity cycle of the lizards started around 6:00 am and ended before 7:00 pm. This is longer than observed in other populations of M. macrorhyncha (approximately 7:00 am to 5:00 pm). The activity cycle of the lizards was bimodal, with the first peak between 6:00 and 11:00 am and the second from 2:00 to 7:00 pm. This contrasts with observations on other populations of this species, which revealed an unimodal pattern....
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Activity period; Body temperature regulation; Microhabitat; Thermoregulatory behavior.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100502

Age and growth of Cetengraulis edentulus (Clupeiformes: Engraulidae) in a subtropical bight of Southern Coast Brazil
Provedor de dados: 103
Autores: Souza-Conceição,José Maria; Schwingel,Paulo Ricardo.
Age and growth of Cetengraulis edentulus (Cuvier, 1828) in the Saco dos Limões bight (Southern Brazil) were studied. Sampling was carried out from August 2001 to July 2003. The study of age and growth was based on the interpretation of the periodicity of ring formation in the otoliths sagittae of 491 individuals, temporal variation of otolith edge, relative marginal increments (RMI), age-length key, and von Bertalanffy curve. Cetengraulis edentulus otoliths were adequate for the interpretation of age with 86% of legibility, in which a translucent zone and its adjacent opaque zone were deposited each year. The translucent zone is formed during the cold period and the opaque zone in the warm period. Fish aged 0 (&lt;12 months) - 4.0 year old were found and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anchovy; Life cycle; Maturity; Otolith.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300003

The foraging behavior of the Large-headed Flatbill, Ramphotrigon megacephalum and the Dusky-tailed Flatbill, Ramphotrigon fuscicauda (Aves: Tyrannidae)
Provedor de dados: 103
Autores: Melo,Tomaz Nascimento de; Guilherme,Edson.
ABSTRACT Southwestern Amazonia has great bird diversity which includes birds specialized in bamboo forests. In this region, bamboo is considered a key element of the landscape. The objective of this study was to investigate and describe the foraging behavior of the Large-headed Flatbill, Ramphotrigon megacephalum (Swainson, 1835) and the Dusky-tailed Flatbill, Ramphotrigon fuscicauda Chapman, 1925, which occur sympatrically in the region and are considered bamboo specialists. This study was conducted between November 2013 and September 2014, within two fragments in the eastern portion of the state of Acre: Fazenda Experimental Catuaba, in the municipality of Senador Guiomard; and Reserva Florestal Humaitá, in Porto Acre. A total of 109 and 97 foraging...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bamboo; Feeding; Flycatchers; Guadua; Specialization.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000600301

Phoretic association between larvae of Rheotanytarsus (Diptera: Chironomidae) and genera of Odonata in a first-order stream in an area of Atlantic Forest in southeastern Brazil
Provedor de dados: 103
Autores: Rosa,Beatriz F. J. Vescovi; Martins,Renato T.; Oliveira,Vívian C. de; Alves,Roberto da G.
In this note, the occurrence of phoresy between larvae of Rheotanitarsus sp. (Diptera: Chironomidae) and larvae of Heteragrion sp. (Odonata: Megapodagrionidae) and of unidentified genera of Calopterygidae (Odonata) collected in a first-order stream in an area of Atlantic Forest in southeastern Brazil is reported. During the dry season of 2007 and the rainy season of 2008, with the aid of a Surber sampler, 15 samples of each of the following mesohabitats were collected: litter from riffle areas, litter from pool areas and sediment in pool areas. Eighty-five Odonata larvae were obtained, 10 (11.76%) with cases of phoresy by Rheotanytarsus sp.. These chironomids were associated with only one specimen of Megapodagrionidae, whereas the other larvae were...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Calopterygidae; Heteragrion; Mesohabitats.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400025

Breeding biology of Tyrannus melancholicus (Aves: Tyrannidae) in a restinga reserve of southeastern Brazil
Provedor de dados: 103
Autores: Daros,Hermes; Dutra,William Barbosa; Duca,Charles.
ABSTRACT Existing knowledge of the breeding success and life history characteristics of most Neotropical bird species is scarce. Here, we help fill this gap by analyzing aspects of the breeding biology of the Tropical Kingbird Tyrannus melancholicus (Vieillot, 1819), which is a good model for this kind of study as it is a common species occurring in various environments, including urban areas, but little is known about its life history. We provide results concerning the breeding period, clutch size, incubation and nestling periods, description of nests, eggs and nestlings, and the plants used for nest sites by this species. Fifty-four nests were monitored over two seasons (2012-2014) in a protected area in southeastern Brazil. Nesting began at the end of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Breeding season; Clutch size; Life history; Tropical Kingbird.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100308

Does gestation or feeding affect the body temperature of the golden lancehead, Bothrops insularis (Squamata: Viperidae) under field conditions?
Provedor de dados: 103
Autores: Bovo,Rafael P.; Marques,Otavio A. V.; Andrade,Denis V.
Temperature affects physiological performance in reptiles and, therefore, body temperature (Tb) control is argued to have an important adaptive value. Alterations in Tb due to transient changes in physiological state, as during digestion or gestation, are often linked to the potential benefits of a more precise Tb regulation. However, such thermoregulatory responses in nature remain controversial, particularly for tropical snakes. Herein, we measured Tb of the golden lanceheads, Bothrops insularis (Amaral, 1921), at Queimada Grande Island, southeastern Brazil, to test for alteration in selected body temperatures associated with feeding or gestation. We found no evidence that postprandial or gravid snakes selected for higher Tb indicating that, under...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Digestion; Gravid females; Postprandial thermophilic response; Snake; Thermoregulation; Neotropics.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600020

Rediscovery of Phalotris concolor (Serpentes: Dipsadidae: Elapomorphini)
Provedor de dados: 103
Autores: Moura,Mario Ribeiro; Costa,Henrique Caldeira; Pirani,Renata Magalhães.
Phalotris concolor Ferrarezzi, 1994 is a poorly known species described on the basis of a single female from municipality of Cristália, state of Minas Gerais, Brazil. Based on two recently collected specimens, we expand the knowledge of P. concolor with new morphological data, including the description of its hemipenis and color in life. A summary of comparative data between species of the P. nasutus group is present to aid the identification of new specimens. The new findings are important for a better understanding of the taxonomy of Phalotris.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cerrado; Geographic distribution; Hemipenis; Phalotris nasutus group.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400009

Two new species of Sundarion (Hemiptera: Membracidae: Darninae) and taxonomic notes on two congeneric taxa
Provedor de dados: 103
Autores: Creão-Duarte,Antonio J.; Sakakibara,Albino M.
ABSTRACT Two new species of Sundarion Kirkaldy, 1904 - Sundarion flavopiceum sp. nov. (from Brazil, state of Pará, Serra Norte) and Sundarion marmoratum sp. nov. (from French Guiana, Montagne des Chevaux) - are described. The first species differs from S. flavum (Fairmaire, 1846) in having smaller supra-humeral horns, and being dark brown with a large yellow spot on each side of the posterior process. In this aspect, it resembles Alcmeone picea (Fairmaire, 1846). The second species is similar to S. flavum except for being variegate yellowish-brown. Taxonomic comments are provided for S. notabile Souza &amp; Rothéa, 2005, which was previously known only from males, and for S. compressicornis (Fairmaire, 1846) comb. nov., originally described in Hemiptycha...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Cicadomorpha; Darnini; Taxonomy; Treehoppers.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000103003

A new species of Cyrtoneuropsis (Diptera: Muscidae) with considerations on the phylogeny of the genus
Provedor de dados: 103
Autores: Haseyama,Kirstern L.F.; Carvalho,Claudio J.B. de.
We describe a new species of Cyrtoneuropsis Malloch, 1925 (Diptera, Muscidae) from Brazil. The new species is included in a previously published key to species. Additionally, we review a previously published matrix to Cyrtoneurina Giglio-Tos, 1893 and Cyrtoneuropsis. A total of 52 character states were modified and the new species was added to it. The modified matrix was analyzed under equal and implied weights. In all topologies, Cyrtoneuropsis spiloptera (Wiedemann, 1830) came up as the sister group of the new species. The monophyly of Cyrtoneurina and Cyrtoneuropsis were recovered, but the relationships among their species, in our data, differ from those obtained in the past.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Morphological characters; Neotropical; Species key; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000600006

Feeding habits of Molina's hog-nosed skunk, Conepatus chinga (Carnivora: Mephitidae) in the extreme south of Brazil
Provedor de dados: 103
Autores: Peters,Felipe Bortolotto; Roth,Paulo Ricardo de Oliveira; Christoff,Alexandre Uarth.
Feeding habits of the Molina's hog-nosed skunk, Conepatus chinga (Molina, 1782) in the extreme south of Brazil. We analyzed 60 stomachs of road-kills of C. chinga in the extreme south of Brazil. The contents revealed 808 prey parts, including invertebrates (frequency of occurrence - FO = 96.7% and relative abundance - RA = 94.7%), vertebrates (FO = 18.3% and RA = 2.8%) and plants (FO = 31.7% and RA = 2.3%). We identified 18 kinds of food, including the invertebrate order Coleoptera which showed the highest FO (86.7%) and RA (75.2%). Other important orders were Orthoptera (FO = 35% and RA = 10.4%) and Araneae (FO = 41.7% and RA = 4%). The combination of occurrence and abundance of the preys consumed allowed classifying C. chinga as an omnivorous with a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Omnivorous; Pampa; Predator; Road-kill fauna.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200006

Ecomorphological relationships among four Characiformes fish species in a tropical reservoir in South-eastern Brazil
Provedor de dados: 103
Autores: Silva-Camacho,Débora de S.; Santos,Joaquim N. de S.; Gomes,Rafaela de S.; Araújo,Francisco G.
The aim of this study was to assess the ecomorphological patterns and diet of four Characiformes fish species in a poorly physically structured tropical reservoir. We tested the hypothesis that body shape and diet are associated, because environmental pressure acts on the phenotype, selecting traits according to the available resources. Ten ecomorphological attributes of 45 individuals of each species - Astyanax cf. bimaculatus (Linnaeus, 1758), Astyanax parahybae Eigenmann, 1908, Oligosarcus hepsetus (Cuvier, 1829), and Metynnis maculatus (Kner, 1858) - , collected between February and November 2003, were analyzed, and the patterns were assessed using Principal Components Analysis (PCA). Diet similarity among fish species was assessed using cluster...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Body shape; Diet; Freshwater fishes; Morphological diversity; Niche overlap.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000100004

A new species of Cryptophion (Hymenoptera: Ichneumonidae) from southeastern Brazil
Provedor de dados: 103
Autores: Onody,Helena Carolina; Penteado-Dias,Angélica Maria.
ABSTRACT Cryptophion Viereck, 1913 is a small Neotropical genus of Campopleginae, with seven described species, two recorded from Brazil. In this paper, a new species from the Atlantic Forest of southeastern Brazil is described and illustrated. In addition, a key to the Brazilian species is provided. Cryptophion atlanticus sp. nov. (holotype female deposited in DCBU: Brazil, São Paulo, São Luiz do Paraitinga, Parque Estadual da Serra do Mar) is diagnosed by mesoscutum more or less uniformly punctate, except the notaular region with coarser and irregular rugae, scutellum bearing irregular lateral longitudinal rugae; forewing with areolet not distinctly petiolate above and hind tarsal claw pectinate, but with a large space in the middle, and distinctly...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Campopleginae; Insecta; Neotropical region; Parasitoid; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000103001

The cephalic lateral line system of temperate perches (Perciformes: Percichthyidae) from Argentinean Patagonia
Provedor de dados: 103
Autores: Vega,Rocío M.; Viozzi,Gustavo P.
ABSTRACT The species of Percichthys (Percichthyidae) are endemic to southern South America. Some authors have pointed out that the genus includes four valid species, based on the morphology of the head, jaws, and fins. A phylogenetic analysis published by other authors suggests that three of them are morphotypes belonging to the same species, Percichthys trucha (Valenciennes, 1833). The aim of this study is to describe for the first time the morphology of the cephalic seismosensory system of Patagonian perches, and how these characters vary in the three morphotypes, in order to provide morphological elements to analyze the taxonomy of these fish species. Comparisons of the cephalic seismosensory system between juveniles and adults were also conducted....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Lateral line; Morphology; Morphotype; Patagonia; Percichthys trucha.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000600900

Renato Contin Marinoni (26.III.1939 - 29.VI.2011)
Provedor de dados: 103
Autores: Sakakibara,Albino M.; Napp,Dilma Solange; Bonatto,Sionei R.
Tipo: Info:eu-repo/semantics/other
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600017

Reproductive biology of Sciades herzbergii (Siluriformes: Ariidae) in a tropical estuary in Brazil
Provedor de dados: 103
Autores: Queiroga,Fernando R.; Golzio,Jéssica E.; Santos,Raphaela B. dos; Martins,Tayná O.; Vendel,Ana Lúcia.
The present study investigated the reproductive biology of Sciades herzbergii in the Paraíba do Norte River Estuary, Brazil. We aimed to characterize the reproduction of the species with respect to sex ratio, spawning season, condition factor and length at first maturity. Specimens were captured between August 2009 and July 2010 in a stretch of the main channel of the estuary. In the laboratory, they were measured, weighed and macroscopically classified with regard to sex and gonad development stage, and their gonads were weighted. The monthly distribution of the sexes and their respective stages of maturation were determined. The gonadosomatic index (GSI), condition factor (K) and the length at first maturity were calculated for males and females. The sex...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Condition factor; Gonadosomatic index; Mean length at first maturity; Paraíba do Norte River Estuary; Pemecou sea catfish; Spawning period.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500002

Oxygen consumption remains stable while ammonia excretion is reduced upon short time exposure to high salinity in Macrobrachium acanthurus (Caridae: Palaemonidae), a recent freshwater colonizer
Provedor de dados: 103
Autores: Freire,Carolina A.; Rios,Leonardo de P.; Giareta,Eloísa P.; Castellano,Giovanna C.
ABSTRACT Palaemonid shrimps occur in the tropical and temperate regions of South America and the Indo-Pacific, in brackish/freshwater habitats, and marine coastal areas. They form a clade that recently (i.e., ~30 mya) invaded freshwater, and one included genus, Macrobrachium Bate, 1868, is especially successful in limnic habitats. Adult Macrobrachium acanthurus (Wiegmann, 1836) dwell in coastal freshwaters, have diadromous habit, and need brackish water to develop. Thus, they are widely recognized as euryhaline. Here we test how this species responds to a short-term exposure to increased salinity. We hypothesized that abrupt exposure to high salinity would result in reduced gill ventilation/perfusion and decreased oxygen consumption. Shrimps were subjected...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ammonia; Lactate; Osmoregulation; Palaemonidae.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100323

Partitioning of seed dispersal services between birds and bats in a fragment of the Brazilian Atlantic Forest
Provedor de dados: 103
Autores: Sarmento,Raissa; Alves-Costa,Cecília P.; Ayub,Adriana; Mello,Marco A.R.
Community-level network studies suggest that seed dispersal networks may share some universal properties with other complex systems. However, most of the datasets used so far in those studies have been strongly biased towards temperate birds, including not only dispersers, but also seed predators. Recent evidence from multi-taxon networks suggests that seed dispersal networks are not all alike and may be more complex than previously thought. Here, we used network theory to evaluate seed dispersal in a strongly impacted Atlantic Forest fragment in northeastern Brazil, where bats and birds are the only extant dispersers. We hypothesized that the seed dispersal network should be more modular then nested, and that the dispersers should segregate their services...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet overlap; Frugivory; Modularity; Nestedness; Networks.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000300006

The breeding biology and nest success of the Short-tailed Antthrush Chamaeza campanisona (Aves: Formicariidae) in the Atlantic rainforest of northeastern Brazil
Provedor de dados: 103
Autores: Studer,Anita; Sousa,Marcelo Cardoso de; Barcena-Goyena,Begoña.
ABSTRACT We present the results of a 26-year study on the breeding biology of the Short-tailed Antthrush, Chamaeza campanisona (Lichtenstein, 1823) in an Atlantic rainforest remnant of northeastern Brazil (Alagoas/Pernambuco). We followed the fate of 38 nests, of which 19 failed, 11 succeeded and 8 had an unknown fate. The presence of most nests coincided with the beginning of the rainy season in March/April but nests with eggs and/or chicks were found throughout the year, with no records only in January. Nests were placed inside natural tree cavities that result from broken branches and trunks. Both parents were engaged in feeding the chicks, their diet consisted mainly of insects, spiders, and some unidentified berries. All nests had a clutch size of two...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Breeding season; Breeding success; Cavity-nesting; Nest characteristics; Mayfield; Linear model.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100305

New records of Parvalona parva (Crustacea: Anomopoda: Chydoridae) from Brazil, with first description of the male
Provedor de dados: 103
Autores: Elmoor-Loureiro,Lourdes M.A.; Santos-Wisniewski,Maria J. dos; Rocha,Odete.
The Neotropical species Parvalona parva (Daday, 1905) was previously reported only from two localities (Northern Argentina and Lençóis Maranhenses, Brazil). In the present paper, seven new records of P. parva from Brazil are presented. The specimens were collected from small waterbodies located in the Federal District and the states of São Paulo, Pará, and Pernambuco. These new records suggest that this species is not as rare as previously believed. The male, sexual female, and the lateral head pores of parthenogenetic females are described and illustrated for the first time.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aloninae; Cladoceran; South America; Systematic.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200022

Adults and tadpoles of species of Hylodidae (Anura): history and taxonomy perspectives
Provedor de dados: 103
Autores: Laia,Rafael Camilo; Rocha,Carlos Frederico Duarte.
We make a historical review of the rates of descriptions of adult and larval forms of frogs of the three genera of Hylodidae: Crossodactylus Duméril &amp;amp; Bibron, 1841; Hylodes Fitzinger, 1826; and Megaelosia Miranda-Ribeiro, 1923. We analyze and compare the evolution of the number of descriptions of adults and tadpoles of the 42 species presently known in the family. There has been an increase in the number of descriptions of both adult and larval forms in the last decades. Nevertheless, the number of descriptions of tadpoles still does not match the number of adult forms described in Hylodidae. The great number of Hylodidae recent described and the continuous process of deforestation in Atlantic forest remnants emphasize the need to improve research...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anuran description; Atlantic Forest; Crossodactylus; Hylodes; Megaelosia.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000100012

Seven new species of Cerambycidae (Coleoptera) from South America with the proposal of three new genera
Provedor de dados: 103
Autores: Martins,Ubirajara R.; Galileo,Maria Helena M.
The following new species are described - Cerambycinae, Sydacini: Sydax flechtmanni sp. nov. from Brazil (São Paulo); Eburiini: Ebrodacrys biffipradorum sp. nov. from Brazil (Roraima); - Lamiinae, Pteropliini: Ataxia piauiensis sp. nov. from Brazil (Piuaí); Calliini: Amucallia carbonaria sp. nov. from French Guiana; A. citrina sp. nov. from Guiana. Also in Lamiinae, two new genera of Onciderini are proposed. Ubytyra gen. nov., type species U. tuberosa sp. nov. from Peru (Junin) e Japi gen. nov., type species J. duartei sp. nov., from Brazil (São Paulo); Ubytyra gen. nov. can be distinguished by the sides of prothorax with long central spine rounded at apex, and this new feature among Onciderini is discussed. Japi gen. nov., is characterized by a fringe of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Calliini; Eburiini; Hemilophini; Onciderini; Sydacini.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000600007

Ultrastructural detection of lipids in the cephalic salivary glands of Apis mellifera and Scaptotrigona postica (Hymenoptera: Apidae) workers
Provedor de dados: 103
Autores: Poiani,Silvana Beani; Cruz-Landim,Carminda da.
ABSTRACT Secretory cells of the cephalic salivary glands (CSGs) of eusocial bees produce and accumulate lipid-like secretion in the lumens of their alveoli. Correspondingly, secretory cells present typical ultrastructural features of lipid-compound producers. Previous work on bees has revealed inter-specific differences in the chemical composition of secretion, and the production mechanisms and secretory cycle of secretory cells. In this work a comparative analysis of the mechanisms of lipid storage in the CSGs of Apis mellifera (Linnaeus, 1758) and Scaptotrigona postica (Latreille, 1807) workers was carried out. The ultrastructural location of lipids was ascertained using imidazole-osmium (IO), using individuals in different stages of their life cycles....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cytochemistry; Excretory; Imidazole-osmium; Insect; Salivary system.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000300901

Notes on Lagothrix flavicauda (Primates: Atelidae): oldest known specimen and the importance of the revisions of museum specimens
Provedor de dados: 103
Autores: Serrano-Villavicencio,José Eduardo; Silveira,Luís Fábio.
ABSTRACT The yellow-tailed woolly monkey, Lagothrix flavicauda (Humboldt, 1812), is a large atelid endemic to the cloud forests of Peru. The identity of this species was uncertain for at least 150 years, since its original description in 1812 without a voucher specimen. Additionally, the absence of expeditions to the remote Peruvian cloud forests made it impossible to collect material that would help to confirm the true identity of L. flavicauda during the 19th and first half of the 20th century. Until now, the specimens of L. flavicauda collected by H. Watkins, in 1925, in La Lejía (Amazonas, Peru) were thought to be the oldest ones deposited in any scientific collection. Nevertheless, after reviewing the databases of the several international museums and...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Distribution; History; Taxonomy; Yellow-tailed woolly monkey.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100502

Morphometric study of Phragmatopoma caudata (Polychaeta: Sabellida: Sabellariidae)
Provedor de dados: 103
Autores: Occhioni,Gisele E.; Brasil,Ana C. S.; Araújo,Alexandre F. B.
The sabellariid Phragmatopoma caudata (Kroyer, 1856), Morch, 1863 is widely distributed in the Americas and constructs large reef agglomerates that provide substrates for other benthic species. However, the difficulty in obtaining size data (especially length) hampers population studies, making it necessary to carry out morphometric studies as basis for studies of population dynamics. The objective of the present study is to determine the best morphological descriptor of length in P. caudata. A total of 17 morphometric variables were measured in specimens from four different populations. Measurements were performed using an ocular micrometer attached to a stereoscopic microscope. Correlations in the dataset were tested using Pearson's linear correlation...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Annelida; Brazilian Coast; Correlation; Polychaete.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400019

Genetic analysis of whole mitochondrial genome of Lateolabrax maculatus (Perciformes: Moronidae) indicates the presence of two populations along the Chinese coast
Provedor de dados: 103
Autores: Gong,Jie; Chen,Baohua; Li,Bijun; Zhou,Zhixiong; Shi,Yue; Ke,Qiaozhen; Zhang,Dianchang; Xu,Peng.
ABSTRACT The whole mitochondrial genome of Lateolabrax maculatus (Cuvier, 1828) was used to investigate the reasons for the observed patterns of genetic differentiation among 12 populations in northern and southern China. The haplotype diversity and nucleotide diversity of L. maculatus were 0.998 and 0.00169, respectively. Pairwise FST values between populations ranged from 0.001 to 0.429, correlating positively with geographic distance. Genetic structure analysis and haplotype network analysis indicated that these populations were split into two groups, in agreement with geographic segregation and environment. Tajima’s D values, Fu’s Fs tests and Bayesian skyline plot (BSP) indicated that a demographic expansion event may have occurred in the history of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Adaptation; Genetic differentiation; Selection.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100314

Epibiosis in decapod crustaceans by stalked barnacle Octolasmis lowei (Cirripedia: Poecilasmatidae)
Provedor de dados: 103
Autores: Machado,Glauco B. de O.; Sanches,Fabio H. C.; Fortuna,Monique D.; Costa,Tânia M.
Stalked barnacles Octolasmis lowei Darwin, 1851 are frequently found attached to decapod crustaceans. Their epibiotic association depends on many factors, which are mainly related to characteristics of the host's biology. This study evaluated the infestation and distribution of stalked barnacles in the branchial chambers of crabs, and analyzed the data with respect to the host's sex, maturity stage, molt cycle and size. The crab species Arenaeus cribrarius Lamarck, 1818, Callinectes danae Smith, 1869, Callinectes ornatus Ordway, 1863, Hepatus pudibundus Herbst, 1785, Libinia ferreirae Brito Capello, 1871, and Persephona punctata Linnaeus, 1758 were sampled and found to be infested by O. lowei. No juvenile crabs were infested. The prevalence of infestation...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brachyurans; Epibiont; Infestation; Host biology; Symbiosis.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300007

Thermal tolerance of the zoea I stage of four Neotropical crab species (Crustacea: Decapoda)
Provedor de dados: 103
Autores: Rebolledo,Adriana P.; Collin,Rachel.
ABSTRACT Although larval stages are often considered particularly vulnerable to stressors, for many marine invertebrates studies of thermal tolerance have focused on adults. Here we determined the upper thermal limit (LT50) of the zoea I of four Caribbean crab species (Macrocoeloma trispinosum, Aratus pisonii, Armases ricordi, and Minuca rapax) and compared their thermal tolerance over time and among species. The zoea from the subtidal species M. trispinosum and tree climbing mangrove species A. pisonii had a lower thermal tolerance, 35 and 38.5 °C respectively, than did the semiterrestrial A. ricordi and M. rapax. In all four species tested, the estimates of thermal tolerance depend on the duration of exposure to elevated temperatures. Longer exposures to...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Caribbean; Larvae; Survival; Temperature; Exposure time.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100501

More on the Mesopotamian-Yungas disjunction in subtropical and temperate Argentina: Bioclimatic distribution models of the harvestman Discocyrtus dilatatus (Opiliones: Gonyleptidae)
Provedor de dados: 103
Autores: Vergara,Julia; Acosta,Luis E.
ABSTRACT In this paper, the potential distribution of the Mesopotamian harvestman Discocyrtus dilatatus Sørensen, 1884 is modeled, and the species' bioclimatic profile is described. Models were built with the presence-only methods Maxent and Bioclim, using 85 unique records (of which 49 are new) and 11 non-correlated bioclimatic variables as predictors. Both Maxent and Bioclim supported the Mesopotamian-Yungas disjunct pattern observed in D. dilatatus, and confirmed the hypothesis that the sub-xeric Dry Chaco is an effective barrier for the two portions of the range. Similarly to results of previous studies on other Mesopotamian harvestmen, temperature variables proved more relevant than precipitation variables in the final models. In the combined overall...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bioclim; Bioclimatic profile; Maxent; Most limiting factor; Species distribution models.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600445

First cases of exclusive paternal care in stink bugs (Hemiptera: Pentatomidae)
Provedor de dados: 103
Autores: Requena,Gustavo S.; Nazareth,Taís M.; Schwertner,Cristiano F.; Machado,Glauco.
We describe paternal care in two pentatomid bugs, Lopadusa (Lopadusa) augur Stål, 1860 and Edessa nigropunctata Berg, 1884. Field and laboratory observations showed that males remain with their eggs and early hatched nymphs, while females abandon the eggs after oviposition. Guarding males defensive behaviors towards their clutches were similar to those described for guarding females of pentatomids. Since there is no detailed information on the internal phylogeny of Pentatomidae, it is not possible to make a robust inference on whether paternal care in L. augur and E. nigropunctata has arisen independently or not. If the latter, the two new cases of paternal care we describe here represent the fifth event of independent evolution of this rare behavioral...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Edessa nigropunctata; Egg guarding; Evolution; Lopadusa augur.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600026

Redescription of Malacomorpha cancellata (Phasmatodea: Pseudophasmatidae): a geographically misplaced Neotropical species
Provedor de dados: 103
Autores: Heleodoro,Raphael Aquino; Andreazze,Ricardo; Rafael,José Albertino.
ABSTRACT Olcyphides cancellatus Redtenbacher, 1906 was described from Canton, China, in error. The species was transferred to Pseudolcyphides Karny, 1923, a genus that later on was synonymized with Malacomorpha Rehn, 1906. However, the name P. cancellatus was forgotten and was not mentioned in the publication where Pseudolcyphides was synonymized with Malacomorpha and thus was not transferred. Here the original geographical record is corrected and the species is transferred to Malacomorpha. The resulting new combination, M. cancellata comb. nov., resulted from examination of specimens from state of Rio Grande do Norte, Brazil. In addition, species diagnosis, redescription of the female and the first description of male specimens, with comparative comments...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Entomology; Neotropics; Phasmids; Taxonomy.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100328

New morphological data on Solariella obscura (Trochoidea: Solariellidae) from New Jersey, USA
Provedor de dados: 103
Autores: Dornellas,Ana Paula S.; Simone,Luiz R.L.
Anatomical data on Solariellaobscura (Couthouy, 1838) are presented and analyzed. The main features of this species, when compared with other known trochoids, are: ctenidium with thick lamellae; enlarged ureter (that may indicate sexual dimorphism) instead of a modified urogenital papilla; odontophore very different from other trochoids such as Calliostoma, Agathistoma, Monodonta, and Gaza, with short m6, large mj and m4 pairs and absent m8 pair and posterior cartilages; esophageal valve surrounding the odontophore ventrally; anterior and mid-esophagus composed of several thin folds and a very wide cerebral ganglion. Solariellaobscura differs from Solariellavaricosa (Mighels &amp; Adams, 1842) by having lower spire, spiral cords weaker on the base and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anatomy; Comparative data; North Atlantic; Redescription.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000200162

ZOOLOGIA 30 years: commemorative edition
Provedor de dados: 103
Tipo: Info:eu-repo/semantics/article
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000600001

Influence of body weight and substrate granulometry on the reproduction of Limnodrilus hoffmeisteri (Oligochaeta: Naididae: Tubificinae)
Provedor de dados: 103
Autores: Lobo,Haroldo; Alves,Roberto G.
Limnodrilus hoffmeisteri Claparede, 1862 is a cosmopolitan Oligochaeta widely used as indicator of organic pollution in water bodies. Previous contributions have shown the effects of organic matter and temperature on the life history of the species, although very little is known about the factors that influence its reproduction. This study aimed 1) to test whether the larger weight of individuals results in an increase in the reproduction rate and 2) to test the influence of two granulometric fractions of sand on the reproduction and growth the species. In the first experiment, specimens of L. hoffmeisteri were separated in two groups with different average weights (small individuals = 6.63 ± 1.28 mg; large individuals = 12.44 ± 3.99 mg) and kept at 15 ±...
Tipo: Info:eu-repo/semantics/article
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500002

A new species of Imeri (Opiliones: Stygnidae: Heterostygninae) from the Brazilian Amazon
Provedor de dados: 103
Autores: Coronato-Ribeiro,Amanda; Pinto-da-Rocha,Ricardo; Rheims,Cristina Anne.
A new species of Stygnidae Simon, 1879, Imeri ajuba sp. nov., is described based on males and females from Coari, Amazonas, Brazil. The new species, differs from the only other species of the genus, Imerilomanhungae Pinto-da-Rocha &amp;amp; Tourinho, 2012, in having the following characteristics: three white marks on posterior margin of dorsal scutum, one white mark on free tergite I, three pairs of tubercles on area I, one pair of tubercles on area II, femur IV with ventromesal row of five tubercles, truncus of penis with six pairs of setae on lateral and ventral sides and ventral plate with two pairs of distal setae on dorsal portion.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazonas harvestmen Imeri ajuba sp. nov. taxonomy; Brazil.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000300011

Description of the last nymphal instar of Talipes appendiculatus (Hemiptera: Membracidae: Membracinae), and notes on the biology of the immatures and adults
Provedor de dados: 103
Autores: Lencioni-Neto,Frederico; Sakakibara,Albino M.
ABSTRACT The last instar nymph of Talipes appendiculatus (Fonseca) is described and illustrated, and biological data are given on the immatures and adults. The 5th instar nymph has the body covered with tuberculate chalazae; head and thorax without scoli; abdomen with terga III-VIII with single dorsal scoli, all different in size, III and VIII small, V the largest about 2x longer than wide. Descriptions of the adults (male and female) are also provided, with the addition of some new characters. The species (adults, immatures of various stages) has been collected on branches of Cassia fistula L. (Leguminosae: Caesalpinioidea), and is frequently attended by bees and wasps.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Description; Nymphal stages; Talipedini; Taxonomy; Treehopper.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000603007

Parasites in feces of the endemic rattlesnake, Crotalus triseriatus (Serpentes: Viperidae), from Mexican highlands
Provedor de dados: 103
Autores: Soria-Díaz,Leroy; Rábago-Castro,Jaime Luis; Domínguez-Vega,Hublester; Gómez-Ortiz,Yuriana; Manjarrez,Javier; Garrido-Olvera,Lorena.
ABSTRACT There are few studies about parasitic infections in Crotalus triseriatus (Wagler, 1830), an endemic rattlesnake from the highlands of central Mexico. This species occupies several habitats, from conserved forested regions to heavily impacted landscapes. To increase the parasitological knowledge of this reptile species without impacting populations, we obtained fecal samples of 16 rattlesnakes between 2012 and 2014 from Toluca Valley, Mexico. By using flotation technique, we found oocysts of Eimeria sp. and eggs of Capillariidae sp. The most frequent parasite was Eimeria sp. (62.5%). This study provides the first records of occurrence of parasites in reptilian feces from Mexico. Our results may be important for wildlife conservation purposes, for...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Coccidia; Mexico; Nematoda; Reptile; Urban wildlife.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100503

Gonadal development and fecundity of the smooth weakfish Cynoscion leiarchus (Teleostei: Perciformes: Sciaenidae) in a tropical Brazilian bay
Provedor de dados: 103
Autores: Silva,José P. do Carmo; Costa,Marcus R. da; Gomes,Iracema D.; Araújo,Francisco G.
ABSTRACT Cynoscion leiarchus (Cuvier, 1830) is a coastal fish species that is widely distributed along the Western Atlantic coast, from Belize to Southern Brazil. In Brazil, C. leiarchus It is an important resource for commercial and artisanal fisheries. Our objective was to describe the oogenesis and spermatogenesis stages of the species and to estimate batch size and relative fecundity of a population at a tropical bay in southeastern Brazil. The examined specimens were obtained from artisanal catches that took place from July 2013 to June 2014. A total of 18 individuals (11 females and 7 males) were examined for histological analysis and 20 spawning-capable females were used to estimate fecundity. Five stages of oocyte development (primary growth,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Histology; Oocyte; Reproductive tactics; Sepetiba Bay.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000600500

Ancyrocephalidae (Monogenea) of Lake Tanganyika: I: Four new species of Cichlidogyrus from Ophthalmotilapia ventralis (Teleostei: Cichlidae), the first record of this parasite family in the basin
Provedor de dados: 103
Autores: Vanhove,Maarten P. M.; Volckaert,Filip A. M.; Pariselle,Antoine.
Examination of gill parasites from Ophthalmotilapia ventralis (Boulenger, 1898) in Lake Tanganyika (Africa) revealed the presence of four new species of Monogenea, all members of Cichlidogyrus Paperna, 1960 (Ancyrocephalidae). In view of the systematic importance of haptoral structure, the fish host shows a remarkable diversity of morphological groups. Cichlidogyrus vandekerkhovei sp. nov. and C. makasai sp. nov. are especially characterized by the unusual length of the dorsal transverse bar auricles, while C. sturmbaueri sp. nov. is distinguished by the unique shape of the accessory piece of its male copulatory organ. Importantly, C. centesimus sp. nov. displays a number of features new to the genus, namely a spirally coiled thickening at the end of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cichlidogyrus vandekerkhovei sp. nov.; Cichlidogyrus makasai sp. nov.; Cichlidogyrus centesimus sp. nov.; Cichlidogyrus sturmbaueri sp. nov.; Africa.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200016

Teste do efeito de borda na predação de ninhos naturais e artificiais no Cerrado
Provedor de dados: 103
Autores: França,Letice C.; Marini,Miguel Â.
The Cerrado is still one of the most important ecosystems in Brazil, even though more than 50% of its area has been altered or converted to pastureland and plantations. Despite its intense degradation, few ecological processes that might affect its biodiversity have been evaluated. The goal of this study was to test the edge effect on the predation rates at natural and artificial nests, at the Ecological Station of Águas Emendadas, Federal District, Brazil. Natural nests were found and monitored every three to four days from September to December of 2004 in the interior and at the edge of the reserve. Artificial nests were placed at four distances from the edge (0, 500, 1000 and 2000 m) in three spatial replicates in September and again in December of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brood parasitism; Nest predation; Plasticine eggs; Predators.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200006

Macrobenthic community structure in a Brazilian chocked lagoon system under environmental stress
Provedor de dados: 103
Autores: Mendes,Carla Lima Torres; Soares-Gomes,Abilio.
Saquarema-Jaconé lagoonal system (SJLS) comprises a sequence of five interconnected shallow brackish lagoons with access to the sea by a single permanent tidal channel. It is a eutrophic system, receiving constant input of organic load from its urbanized catchments. The relationship between several environmental variables and the spatial-temporal distribution of the benthic macrofauna was assessed during four seasonal samplings (dry and wet periods of 2007-2009). Sediment replicates were sampled at seven sites for biological identification and analyzes of organic matter, carbonates, phytopigments, grain size and heavy metals. Salinity, dissolved oxygen and redox potential were measured in situ. SJLS was characterized by sandy bottoms with very reducing...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Abiotic variables; Disturbance; Macrozoobenthos; Seasonal and spatial scales; Tropical coastal lagoons.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300011

The cuticular profile of the aristiform hair as a characteristic feature of Abrawayaomys (Rodentia: Cricetidae)
Provedor de dados: 103
Autores: Duarte,Tarcísio de Souza; Lessa,Gisele.
ABSTRACT The cuticle is the outermost of the three cellular layers of the mammalian hair. It comprises numerous keratinized scales, whose morphology, combined with other microscopic characteristics of the hair, confers characteristic signature traits to various different species. This study aimed to analyze whether the cuticular patterns of the aristiform hair had any signature implications for the two species of the genus Abrawayaomys Cunha &amp; Cruz, 1979. We identified the cuticular profiles of A. ruschi and A. chebezi. Both species have similar hair pattern. The base of the hair shows "irregular waved" scales with smooth and continuous edges, and the apex showed "transversal waved" small-sized scales with continuous and ornamented edges. The middle...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Micromorphology; Sigmodontinae; Spines; Taxonomy; Tricology.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000400321

Two new species of Thaumastus (Gastropoda: Pulmonata: Orthalicidae: Bulimulinae) from the state of Minas Gerais, Brazil
Provedor de dados: 103
Autores: Pena,Meire Silva; Salgado,Norma Campos; Coelho,Arnaldo C. dos Santos.
Two new species of Thaumastus (Thaumastus) from the state of Minas Gerais, southeastern Brazil, are described. They are diagnosed and characterized by the morphology of the shell and soft parts and compared with Brazilian species of the subgenus Thaumastus s.s. Martens, 1860. Thaumastus (T.) parvus sp. nov. is similar to T. (T.) baixoguanduensis Pena, Coelho &amp;amp; Salgado, 1996 but can be distinguished by the smaller size, smaller number of plates in the jaw, different number of follicle groups in the ovotestis and form of the fertilization complex. Thaumastus (T.) caetensis sp. nov. is similar to T. (T.) largillierti (Philippi, 1845) but differs by the width and the contour of the parietal side of the shell aperture. T. (T.) caetensis is also closer...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mollusca; Morphology; Orthalicoidea; Taxonomy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400016

Vertical structure of an assemblage of bats (Mammalia: Chiroptera) in a fragment of Atlantic Forest in Southern Brazil
Provedor de dados: 103
Autores: Carvalho,Fernando; Fabián,Marta E.; Menegheti,João O.
Few studies have focused the vertical structure of bat assemblages, and how it influences community composition. The goal of this study was to analyze the vertical structure of an assemblage of bats in a forest fragment in southern Brazil. Bats were sampled using mist-nets placed at three heights (understory, below-canopy, and canopy). Forest strata were compared with respect to their species richness and diversity. The latter was estimated using the Shannon-Wiener index (H'), and the statistical significance of differences among strata was assessed using t tests. We used an index of Constancy (C) to determine the frequency of a given species in each vegetation stratum, such that a species was considered as "frequent" (C &amp;gt; 50), "less frequent" (25...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diversity; Phyllostomidae; Richness; Stratification; Vespertilionidae.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000500004

Looking through a dirty glass: how different can the characterization of a fish fauna be when distinct nets are used for sampling?
Provedor de dados: 103
Autores: Ceni,Gianfranco; Vieira,João Paes.
The present study compares fish species composition, dominance, and size-structure patterns at an open sand beach area (32°15'S, 52°46'W) in Mirim Lake, RS, Brazil, estimated from samples collected with two distinct beach seine nets. The BS-9m net is 9 m long and 1.5 m high, and is made with a 5 mm multifilament mesh on its central portion and 12 mm on the side wings. The BS-30m net is 30 m long and 1.8 m high, with a 12 mm monofilament nylon mesh all over the net, except for a 30 cm strip made with a 12 mm multifilament mesh on the lower portion. Thirty hauls were performed with both nets resulting in a total of 849 fish captured, comprising 34 species. BS-9m was selective for individuals smaller than 60 mm TL and BS-30m for individuals larger than 60 mm...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Freshwater; Gear; Littoral zone; Sampler comparison.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000500005

Polyplacophora (Mollusca) from reef ecosystems and associations with macroalgae on the Coast of Alagoas, Northeastern Brazil
Provedor de dados: 103
Autores: Correia,Monica Dorigo; Coelho,Catarina Alves; Sovierzoski,Hilda Helena.
ABSTRACT Brazilian marine molluscs, especially Gastropoda and Bivalvia, are relatively well studied. However, information on the class Polyplacophora is more scarce, particularly on reef-dwelling forms. This study aimed to qualitatively and quantitatively analyze aspects of polyplacophorans from reef ecosystems and their associations with macroalgae on the coast of Maceió (state of Alagoas, Brazilian Northeast). The study area included five coral reefs at Ipioca, Ponta do Prego, Ponta do Meirim, Riacho Doce and Ponta Verde, as well as two sandstone reefs, located in Guaxuma and Sereia. The samples were obtained by snorkelling along the intertidal and subtidal reef zones to a depth of up to five meters during low tides, between 2009 and 2011. In addition,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chitons; Brazilian reefs; Biodiversity; Phytal; Temporal distribution.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000400289

New species, new records, and a key to the Brazilian species of Gelanor (Araneae: Mimetidae)
Provedor de dados: 103
Autores: Rodrigues,Everton Nei Lopes; Buckup,Erica Helena; Brescovit,Antonio Domingos.
ABSTRACT Gelanor Thorell, 1969 comprises 11 Neotropical species. In this paper, two new species are described from Brazil: Gelanor hoga sp. nov., based on males and females from the state of Amazonas, and Gelanor cachimbo sp. nov., based on males from the state of Pará. Additionally, new records from Brazil are provided for Gelanor altithorax Keyserling, 1893, Gelanor consequus O. P.-Cambridge, 1902, Gelanor juruti Benavides &amp; Hormiga, 2016, Gelanor latus (Keyserling, 1881), Gelanor waorani Benavides &amp; Hormiga, 2016 and Gelanor zonatus (C.L. Koch, 1845) and a key to the Brazilian species and illustrations are provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Pirate spiders; Neotropical; Brazil; Distribution; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000400301

Locomotion and survival of two sympatric larval anurans, Bufo gargarizans (Anura: Bufonidae) and Rana zhenhaiensis (Anura: Ranidae), after partial tail loss
Provedor de dados: 103
Autores: Ding,Guo-Hua; Lin,Zhi-Hua; Zhao,Li-Hua.
Tadpoles of two sympatric anurans, Bufo gargarizans Cantor, 1842 and Rana zhenhaiensis Ye, Fei &amp;amp; Matsui, 1995, were used as model organisms to examine the effects of different levels of tail loss on swimming performance and survival. On average, B. gargarizans tadpoles were shorter and had smaller tails and body mass than R. zhenhaiensis. After 75% tail loss, the survival rate of experimental and control B. gargarizans tadpoles, and of experimental tadpoles of the two species, differed significantly; the number of tadpoles surviving a complete impairment of their swimming ability did not differ between B. gargarizans and R. zhenhaiensis. After 50% tail loss, the swimming performance (swimming speed, maximum distance and number of stops) of the two...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Survival rate; Swimming performance; Sympatric species; Tadpole; Tail removal.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400002

Atol das Rocas: an oasis for Octopus insularis juveniles (Cephalopoda: Octopodidae)
Provedor de dados: 103
Autores: Bouth,Helena F; Leite,Tatiana S; Lima,Françoise D. de; Oliveira,Jorge E. Lins.
The habitat, population density, distribution and diet of Octopus insularis Leite &amp;amp; Haimovici, 2008 were studied in the Atol das Rocas Biological Reserve, based on visual census carried out in fixed quadrants. For each octopus den, we collected data on octopus size, substrate, type of den, and food remains around it. A total of 100 octopus dens were found within the fixed quadrants. The highest density occurred at Mapas area (0.30 inds/100 m²) and the lowest at Crista Algálica (0.07 inds/100 m²). The preferred den type was the one on the reef bed (69%), reinforcing the importance of rocky substrates for this species. A total of 454 food items, classified into 22 distinct taxa, were collected. The class Crustacea was best represented, accounting for...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Habitat; Oceanic island; Octopus.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100007

First field record of mangrove crab Ucides cordatus (Crustacea: Decapoda: Ucididae) recruits co-inhabiting burrows of conspecific crabs
Provedor de dados: 103
Autores: Schmidt,Anders Jensen; Diele,Karen.
Recruits of the mangrove crab Ucides cordatus (Linnaeus, 1763), rarely encountered in the field were found co-inhabiting burrows of larger male and female conspecifics in the mangrove forest. They were located in the sediment of the inner walls and burrow plugs. Average carapace width (CW) of the hosting and co-inhabiting crabs was 3.8 ± 0.20 and 0.9 ± 0.03, respectively. As shown by the size-frequency distribution, while most recruits leave the conspecific burrows after reaching 1.0 cm CW, some stay until they reach a size of 2.5 cm CW. The results of this study contribute to a better understanding of recruitment patterns in this ecologically and economically important mangrove crab species. Follow-up studies are however needed to fully determine the role...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Caranguejo-uçá; Juvenile; Recruitment; Settlement; Size-frequency.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400026

Abundance changes and activity flexibility of the oncilla, Leopardus tigrinus (Carnivora: Felidae), appear to reflect avoidance of conflict
Provedor de dados: 103
Autores: Oliveira-Santos,Luiz Gustavo R.; Graipel,Maurício E.; Tortato,Marcos A.; Zucco,Carlos A.; Cáceres,Nilton C.; Goulart,Fernando V. B.
We investigated the density and activity of the oncilla, Leopardus tigrinus (Schreber, 1775), a threatened small cat, in the Brazilian Atlantic Forest, using camera-trap data. We described differences in the activity of individuals occurring alone or in sympatry with larger cats. Oncilla presented low densities (7-13 ind./100 km²) and high flexibility in its activity. The oncillas were primarily nocturnal in the absence of other larger cat species - margay, ocelot and puma - but became more diurnal, with a cathemeral activity pattern, when the other cats were present. Oncilla is likely to be in a subordinate position in interactions with larger cats and changes its activity to decrease the chances for interspecific encounters. In this study, however, the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Activity pattern; Camera trap; Intraguild competition; Little spotted cat; Neotropical felid guild.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000200003

Two new species of Costatrichia (Trichoptera: Hydroptilidae: Leucotrichiinae)
Provedor de dados: 103
Autores: Santos,Allan Paulo Moreira; Takiya,Daniela Maeda; Nessimian,Jorge Luiz.
Costatrichia Mosely, 1937 is a Neotropical genus included in the subfamily Leucotrichiinae. Previously, this genus included 14 described species, two from Brazil and eight from Costa Rica. Based on recent specimens collected with light traps in the Brazilian Amazon and Costa Rica, we describe two new species: Costatrichia ipixuna sp. nov. from the state of Amazonas, Brazil (C. lodora group) and C. falsa sp. nov. from Puntarenas, Costa Rica (C. simplex group). Costatrichia ipixuna sp. nov. is most similar to C. noite Angrisano, 1995, but can be distinguished by the shallower U-shaped incision on posterior margin of sternum VIII, by the absence of the lateral projection of the same segment bearing very long setae, and by the phallus with a pair of spine-like...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon Forest; Costa Rica; Costatrichia ipixuna sp. nov.; Costatrichia falsa sp. nov.; Microcaddisflies.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400012

Redescription of megalopa and juvenile development of Pachygrapsus gracilis (Decapoda: Grapsidae) from the Amazon region, reared in the laboratory
Provedor de dados: 103
Autores: Arruda,Danielle C. B; Abrunhosa,Fernando A.
This present study re-describes the megalopa stage and provides detailed morphological descriptions and main growth changes observed in stages I through VII of the juvenile instars of the dark shore crab Pachygrapsus gracilis (Saussure, 1858), from the Amazon region. The specimens in this study were reared in the laboratory and the megalopae were collected at Ajuruteua beach in northeastern Pará, Brazil. Previous studies had described the megalopa of P. gracilis from Mexican waters, as well as those of Pachygrapsus transversus (Gibbes, 1850) and Pachygrapsus marmoratus (Fabricius, 1787). A comparison between the Mexican and Amazonian populations of P. gracilis revealed significant morphological differences. The main difference is the presence of 3...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Description; Growth; Morphology; Transitory stage.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400008

The effect of increased light intensity on the aggressive behavior of the Nile tilapia, Oreochromis niloticus (Teleostei: Cichlidae)
Provedor de dados: 103
Autores: Carvalho,Thaís B.; Mendonça,Francine Z.; Costa-Ferreira,Roselene S.; Gonçalves-de-Freitas,Eliane.
Animals show behavioral and physiological changes that emerge in response to environmental perturbations (i.e., emergency life-history stages). In this study, we investigate the effects of light intensity on aggressive encounters and social stability in groups of adult male Nile tilapia, Oreochromis niloticus (Linnaeus, 1758). The study compared the behavior observed under low (280.75 ± 50.60 lx) and high (1394.14 ± 520.32 lx) light intensities, with 12 replicates for each treatment. Adult fish were isolated in 36-L aquaria for 96 hours, and three males were grouped for 11 days in 140-L aquaria. Agonistic behavior was video-recorded (10 min/day) on the 3rd, 5th, 7th, and 9th day to quantify aggressive interactions and social stability. There was an effect...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aggressiveness; Aquaculture; Environmental changes; Social rank.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200001

Taxonomic revision of Parampheres (Arachnida: Opiliones: Gonyleptidae)
Provedor de dados: 103
Autores: Mori,Bruno Jacob; Pinto-da-Rocha,Ricardo.
Parampheres Roewer, 1913 is a relatively common genus of South American harvestmen. This genus is easily diagnosed by the remarkable yellow patches on the prosoma. Nonetheless, species determination within this group is challenging due the convoluted taxonomic history of the group and lack of a recent revision. In this study we revise Parampheres and describe a new species, Parampheres tenebris sp. nov., from Parque Nacional da Serra Geral, Rio Grande do Sul, Brazil. The new species can be distinguished from the other species of the genus by having dorsal scutum dark, and apophysis of coxa IV of male elongated. Furthermore, we propose the following new synonymies: Callampheres boliviensis Roewer, 1913, Pertyana ronae Mello-Leitão, 1927 and Parampheres...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Harvestman; Neotropical region; Systematic; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000600003

A new Syllimnophora with a key to the species from Ecuador (Diptera: Muscidae)
Provedor de dados: 103
Autores: Couri,Márcia S.
Syllimnophora Speiser belongs to the Limnophorini tribe of the Coenosiinae subfamily. The genus can be distinguished from the others by the presence of cilia on the apical half of the dorsal surface of vein R1, combined with a strongly projected gena. In he Neotropical Region 28 species are known, three of them recorded from Ecuador - S. atrovittata (Stein), S. browni (Snyder) and S. suavis (Stein). The study of material from South America deposited at Muséum national d'Histoire naturelle (Paris) enabled the description of one species new to science - S. argentifrontata sp. nov. from San Miguel de Ibarra (Ecuador). A key to the identification of the four species is given.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Morphology; Neotropical Region; New species; Taxonomy; Terminalia.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400011

Analysis of reproductive biology and spawning season of the pink ear emperor Lethrinus lentjan , from marine ecosystem
Provedor de dados: 103
Autores: Younis,Elsayed M.; Al-Asgah,Nasser A.; Abdel-Warith,Abdel-Wahab A.; Gabr,Mohamed H.; Shamlol,Fozi S.
ABSTRACT A total of 593 samples of Lethrinus lentjan (Lacepede, 1802) were collected from the Red Sea, Jeddah, Saudi Arabia, to study their productive biology and spawning season of the local population. Sampling was carried out on a monthly basis for a period of one year. The monthly sex ratios indicated that females were dominant throughout the study period, with an overall male:female sex ratio of 1:7.98, although males were larger than females. The highest monthly performance maturation index (PMI), as well as the male and female gonadosomatic index (GSI) and ovarian maturation rate (OMR) were observed in February and March. Histological examination of the gonads confirmed the process of sexual transformation in this fish species, wherein individuals...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Lethrinus lentjan; Red sea; Reproduction; Spawning.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100308

Ophiomusium acuferum (Ophiolepididae) and Ophiomisidium pulchellum (Ophiuridae) (Ophiuroidea: Echinodermata), redescription based on the Brazilian specimens
Provedor de dados: 103
Autores: Borges,Michela; Campos,Lucia de Siqueira.
Ophiomusium (Ophiolepididae) and Ophiomisidium (Ophiuridae) are similar, but differ in features such as size of the adult, number of disc dorsal plates, length of the arms, shape of the first ventral arm plates and number of the tentacle. In this contribution, a large number of specimens of Ophiomusium acuferum Lyman, 1869 and Ophiomisidium pulchellum (Wyville Thomson, 1878) were sampled from southeastern and southern Brazilian at depths ranging from 46 to 1300 m. A close analysis has shown that specimens identified as Ophiomisidium pulchellum (C.W. Thomson, 1877) in several Brazilian museums are actually Ophiomusium acuferum Lyman, 1875. A total of 2330 individuals were examined: 2046 specimens of Ophiomusium acuferum ('Evaluation of the sustainable...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Deep sea; Morphology; Ophiuroids; Taxonomy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200010

Redescription and new distribution records of Acanthoscurria paulensis (Araneae: Mygalomorphae: Theraphosidae)
Provedor de dados: 103
Autores: Lucas,Sylvia M.; Paula,Felipe dos S.; Gonzalez Filho,Hector M. O.; Brescovit,Antonio D.
The male of Acanthoscurria paulensis Mello-Leitão, 1923 is redescribed and the female is described for the first time. The male holotype, from Pirassununga, state of São Paulo, Brazil, could not be located and the redescription is based on specimens collected in the type locality. Acanthoscurria atrox Vellard, 1924 is considered a junior synonym of A. paulensis based on their original descriptions and figures of the male palpal bulb, and also supported by the study of several specimens from both type localities, Pirassununga and Campo Grande, state of Mato Grosso do Sul, Brazil. Acanthoscurria guaxupe Piza, 1972 is also considered a junior synonym of A. paulensis based on examination of the holotype. Acanthoscurria paulensis resembles A. chacoana Brèthes,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acanthoscurria atrox; Acanthoscurria guaxupe; New distribution records; Taxonomy; Theraphosinae.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400008

Abiotic correlates of temporal variation of Hypsiboas leptolineatus (Amphibia: Hylidae)
Provedor de dados: 103
Autores: Hiert,Cristiane; Moura,Mauricio Osvaldo.
Studies of anuran population dynamics are key to uncovering the mechanisms responsible for temporal fluctuations in abundance and those that shape population structure. Population structure and population fluctuations can result from species specific demographic and behavioral characteristics, reproductive microhabitat availability (which is influenced by local environment and climate), as well as from responses to populations of other, sympatric species. In view of this, our study aimed to ascertain the temporal trends in a population of Hypsiboas leptolineatus, to describe how abundance changes between seasons, and to uncover the effects of environmental variables in shaping seasonal variations in abundance. Although H. leptolineatus occurs throughout...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anura population structure; Calling pattern; Moon-phase; Temporal fluctuations.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500006

Immature stages and natural history of the Andean butterfly Altinote ozomene (Nymphalidae: Heliconiinae: Acraeini)
Provedor de dados: 103
Autores: Velez,Patricia Duque; Montoya,Hugo Hernando Vargas; Wolff,Marta.
The immature stages (eggs, larvae and pupae), oviposition and larval behavior of Altinote ozomene (Godart, 1819) are described here for the first time. Larvae were reared from egg clutches collected from the host plants Erato vulcanica (Klatt) H.Rob and Munnozia senecionidis Benth (Asteraceae). Eggs were laid in groups on the undersides of leaves. The number of instars varied from five to eight within the same egg clutch, and the corresponding development time from larva to adult varied from 91 to 115 days. Most (72%) larvae pupated during the sixth instar. The first four instars fed only on the leaf cuticle, whereas later instars consumed the whole leaf. Larvae were gregarious during all instars but rested together only during the day in later instars,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Host plant; Immature behavior; Lepidoptera; Life cycle; Neotropical.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500007

Aglaenita (Hemiptera: Cicadellidae: Neocoelidiinae): a new species from Brazil
Provedor de dados: 103
Autores: Marques-Costa,Ana Paula.
Aglaenita Spinola, 1850 comprises fourteen species, all occurring in Brazil, including a new species, A. hambletoni sp. nov., which is described herein. The genus is close to Biza Walker, 1858 and Megacoelidia Kramer &amp;amp; Linnavuori, 1959. Aglaenita hambletoni sp. nov. can be distinguished from other Aglaenita species mainly by the characters of male genitalia, especially by the pygofer bearing an apical bifurcated process, the branches of the process pointed and sclerotized, the upper branch longer than the lower, tooth-like one; and by the aedeagus without processes and with the ventral margin without teeth. The diagnosis of the genus and the known geographical distribution of its species are also given
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Geographical distribution; Leafhoppers; Neocoelidiines; New species; Taxonomy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100017

Multimetric index for assessing ecological condition of running waters in the upper reaches of the Piabanha-Paquequer-Preto Basin, Rio de Janeiro, Brazil
Provedor de dados: 103
Autores: Baptista,Darcilio F.; Souza,Roberta S. G. de; Vieira,Carla A.; Mugnai,Riccardo; Souza,Ana S.; Oliveira,Renata Bley S. de.
The objective of this study was to develop a rapid multimetric index using benthic macrofauna as bioindicators of ecological conditions for the upper reaches of the Piabanha-Paquequer-Preto Basin located in the state of Rio de Janeiro, Brazil. A total of 33698 macroinvertebrates were collected in 27 sites. Benthic macroinvertebrates were sampled using the multi-habitat method that consists in sampling 20 m² of substrate collected in approximate proportion to the representation of all major habitat types in the reach. A subsampling procedure was used. The main steps followed to develop and test the index were: exclusion of unsuitable metrics using box-whisker plots, considering the degree of overlapping among interquartile limits (1º-3º) and confirmed by...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biomonitoring; Conservation; River ecosystems; Macroinvertebrates.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500010

Children of time: the extended synthesis and major metaphors of evolution
Provedor de dados: 103
Autores: Brooks,Daniel R.; Agosta,Salvatore J.
It is time for an expansion and enrichment of evolutionary theory. The "back to the future" proposal contained herein is based on three postulates: 1) Neo-Darwinism is too impoverished for this task; 2) its predecessor, Darwinism, contained the necessary breadth of vision and metaphor to be the basis for an inclusive and unifying theory of biology; and 3) the necessary framework for this new stage in the evolution of evolutionary theory is largely in place. We make our case through the use of a number of metaphorical dualisms designed to help focus discussions toward a more cooperative and productive approach to the study of living systems. Along the way, we suggest a number of self-induced paradoxes in neo-Darwinian accounts of evolution that are resolved...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Darwinism nature of the organism nature of the conditions extended synthesis metaphors time; Sequency simultaneity thermodynamics metabolism space information function history complexity cohesion compensatory changes evolutionary transitions cooperation division of labor ecological hierarchy genealogical hierarchy self-organization.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000600002

Reproductive biology of the swamp racer Mastigodryas bifossatus (Serpentes: Colubridae) in subtropical Brazil
Provedor de dados: 103
Autores: Leite,Pedro T.; Nunes,Simone de F.; Kaefer,Igor L.; Cechin,Sonia Z.
The swamp racer Mastigodryas bifossatus (Raddi, 1820) is a large snake of Colubrinae. It is widely distributed in open areas throughout South America. Dissection of 224 specimens of this species housed in herpetological collections of the southern Brazilian states of Rio Grande do Sul, Santa Catarina and Paraná provided information on its sexual dimorphism, reproductive cycle and fecundity in subtropical Brazil. Adult specimens of M. bifossatus average approximately 1190 mm in snout-vent length and females are larger than males. The reproductive cycle of females is seasonal, with secondary vitellogenesis occurring from July to December. However, examination of male gonads did not reveal signs of reproductive seasonality in this sex. Egg laying was recorded...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fecundity; Neotropics; Reproduction; Reproductive cycle; Sexual dimorphism.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100003

Numerical anomalies in the dentition of southern fur seals and sea lions (Pinnipedia: Otariidae)
Provedor de dados: 103
Autores: Loch,Carolina; Simões-Lopes,Paulo C.; Drehmer,César J.
Cases of dental agenesis, supernumerary teeth and dental losses are presented in three species of South American Otariids: Arctocephalus australis (Zimmermann, 1783), A. tropicalis (Gray, 1872) and Otaria flavescens (Shaw, 1800). For the first time, congenital and acquired dental anomalies were comparatively diagnosed in skull samples from southern Brazil and nearby areas. The skulls and mandibles were accessed in the scientific collection of mammals of the Federal University of Santa Catarina, southern Brazil. Agenesis was found only among maxillary post-canine teeth, especially the distal ones (PC/6), due to an evolutionary trend towards reduction of the number of post-canine teeth in this family. Maxillary and mandibular supernumerary teeth were found...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arctocephalus australis; A. tropicalis; Dental agenesis; Otaria flavescens; Southern Brazil; Supernumerary teeth.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300023

Threats to and viability of the giant anteater, Myrmecophaga tridactyla (Pilosa: Myrmecophagidae), in a protected Cerrado remnant encroached by urban expansion in central Brazil
Provedor de dados: 103
Autores: Diniz,Milena F.; Brito,Daniel.
Urbanization poses a serious threat to wildlife populations inhabiting native vegetation remnants surrounded by the expanding urban and suburban sprawl. The close contact with human activities causes not only direct impacts, such as habitat loss, but also indirect negative effects, such as population isolation, roadkills and anthropogenic fires. The Parque Nacional de Brasília is a large Cerrado remnant almost completely surrounded by the city of Brasília, in central Brazil. Here, we use population viability analysis to model the impacts of urbanization on a population of Myrmecophaga tridactyla (Linnaeus, 1758) inhabiting that park. Our results show that roadkill mortality is by far the most serious threat to the long-term persistence of the giant...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Extinction; Inbreeding; PVA; Roadkill; Wildfire.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200005

Trogolaphysa formosensis sp. nov. (Collembola: Paronellidae) from Atlantic Forest, Northeast Region of Brazil
Provedor de dados: 103
Autores: Silva,Diego Dias da; Bellini,Bruno Cavalcante.
Trogolaphysa formosensis sp. nov. (holotype male deposited in DBEZ from Brazil, state of Rio Grande do Norte State, municipality of Bani Formosa), a new springtail from the Atlantic Forest domain, Rio Grande do Norte, Brazil, is described and illustrated. This species is diagnosed by unique coloration pattern, presence of 8+8 eyes, reduced number of setae on metatrochanteral organ, unguiculi truncated and dorsal chaetotaxy. Trogolaphysa formosensis sp. nov. is the first species of the genus from Brazil with all eye lenses. All other Brazilian species present 0+0 or 2+2 eyes. It is also the first species of Trogolaphysa described from the Northeast Region of Brazil.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chaetotaxy; Paronellinae; Soil fauna; Springtail; Taxonomy.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100053

Extra-pair paternity in a Neotropical rainforest songbird, the White-necked Thrush Turdus albicollis (Aves: Turdidae)
Provedor de dados: 103
Autores: Biagolini-Jr,Carlos; Costa,Mariellen C.; Perrella,Daniel F.; Zima,Paulo V.Q.; Ribeiro-Silva,Lais; Francisco,Mercival R.
ABSTRACT Over the last two decades, several studies have shown that the mating systems of various birds are more complex than previously believed, and paternity tests performed with molecular techniques have proved, for instance, that the commonly observed social monogamy often presents important variations, such as extra-pair paternity. However, data are still largely biased towards temperate species. In our study, at an area of the Brazilian Atlantic Forest, we found broods containing at least one extra-pair young (EPY) in the socially monogamous White-necked Thrush Turdus albicollis (Vieillot, 1818). Paternity tests using six heterologous microsatellite loci revealed that four of 11 broods (36.4%) presented at least one extra-pair young (EPY). This rate...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Cuckoldry; Extra-pair copulation; Infidelity; Social monogamy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000404002

Seasonal variations in scorpion activities (Arachnida: Scorpiones) in an area of Caatinga vegetation in northeastern Brazil
Provedor de dados: 103
Autores: Araújo,Cristiane S.; Candido,Denise M.; Araújo,Helder F. P. de; Dias,Sidclay C.; Vasconcellos,Alexandre.
Seasonal variations in scorpion activity were investigated during a 24 month period in an area of Caatinga (dryland) vegetation in the state of Paraíba, Brazil. The total number of scorpions captured was correlated with climatic variables and prey abundance. Scorpions were captured monthly using pitfall traps; their potential prey was captured using malaise, beating trays and pitfalls. A total of 104 scorpions were captured, representing four species: the bothriurids Bothriurus asper (Pocock, 1893) (n = 74; 71.2%) and B. rochai (Mello-Leitão, 1932) (n = 20; 19.2%), and the buthids Rhopalurus rochai (Borelli, 1910) (n = 4; 3.8%) and Tityus stigmurus (Thorell, 1876) (n = 1; 1.0%). The sex ratios (male:female) of the two most abundant species were 14:1 for B....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Environmental factors; Neotropical region; Reproduction; Semi-arid; Seasonality.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300008

Reações da espécie invasora Achatina fulica (Mollusca: Achatinidae) à fatores abióticos: perspectivas para o manejo
Provedor de dados: 103
Autores: Fischer,Marta Luciane.
Achatina fulica Bowdich, 1822 is an african snail that is invasive in different parts of the world, being characterized mainly by its high adaptability. Our objective was to evaluate the influence of abiotic factors, such as temperature and substrate, on the egg eclosion, adult and juvenile reaction to different abiotics factors, and the resistance of A. fulica to popular methods of control. Three studies were made, including 19 laboratory experiments and observations of free animals in the municipal district of Guaraqueçaba, southern Brazil. Eggs were characterized as the most fragile phase, whereas the juveniles and adults were resistant to the immersion in fresh and salt water and little resistant to temperature variation and salt, using burying,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aestivation; Exotic invasive species; Giant african snail; Guaraqueçaba; Resistance.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300001

Reproductive biology and recruitment of bluefish Pomatomus saltatrix (Perciformes: Pomatomidae) in the southwestern Atlantic
Provedor de dados: 103
Autores: Souza,Geysa Marinho de; Monteiro-Neto,Cassiano; Costa,Marcus Rodrigues da; Bastos,Ana Luiza; Martins,Raquel Rennó Mascarenhas; Vieira,Francyne Carolina dos Santos; Andrade-Tubino,Magda Fernandes de; Tubino,Rafael de Almeida.
ABSTRACT The bluefish, Pomatomus saltatrix (Linneus 1766) is captured by industrial, artisanal, and recreational fisheries throughout its distribution range. The reproductive biology of P. saltatrix in the southwestern Atlantic was studied using 1,102 specimens captured by the Brazilian commercial fleet between March 2014 and December 2015. The recruitment period was identified from records of juveniles in experimental beach seine hauls carried out on sandy beaches in the external sector of Guanabara Bay for four years (2012-2015). Based on the reproductive indices and on the macro- and microscopic analyses of the gonads, spawning peaks were identified in autumn and spring. The size at first maturity was estimated at 35.5, 38.3, and 37.4 cm for females,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fecundity; Histology; Oocyte development; Reproductive dynamics; Spawning seasons; Young-of-the-year.
Ano: 2021
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702021000100301

Description of the male of Yabisi guaba (Araneae: Eresoidea: Hersiliidae)
Provedor de dados: 103
Autores: Rheims,Cristina A.; Agnarsson,Ingi; Alayón Garcia,Giraldo.
Hersiliidae is a relatively small spider family that is easily distinguished by the very long posterior lateral spinnerets. It is distributed worldwide and, although quite diverse in other zoogeographical regions, is represented by only 11 species in the Neotropics. Hersiliidae was recently revised and of the 11 species, three are known solely from one sex. Yabisi Rheims &amp;amp; Brescovit, 2004 includes only two species, one of which is known solely from the female. The genus is extremely rare and both species are known from only a few specimens. In this paper, the male of Yabisi guaba Rheims &amp;amp; Brescovit, 2004 is described and illustrated and an extended diagnosis is given for the genus. The male of this species is distinguished from its congener...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Dominican Republic; Neotropical region; Spiders; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000400013

Geographic distribution and spatial differentiation in the color pattern of abdominal stripes of the Neotropical stingless bee Melipona quadrifasciata (Hymenoptera: Apidae)
Provedor de dados: 103
Autores: Batalha-Filho,Henrique; Melo,Gabriel A. R.; Waldschmidt,Ana M.; Campos,Lucio A. O.; Fernandes-Salomão,Tânia M.
Melipona quadrifasciata Lepeletier, 1836, regionally known as "mandaçaia", has been traditionally divided in two distinct subspecies: M. quadrifasciata anthidioides and M. quadrifasciata quadrifasciata. The main difference between the subspecies refers to the yellow metasomal stripes which are continuous in M. q. quadrifasciata and discontinuous in M. q. anthidioides. This study investigated the geographic differentiation in the metasomal stripes and characterized the restriction sites in the mtDNA of both chromatic types. Specimens from 198 localities were examined, and the variation observed in the pattern of stripes was grouped into distinct classes. The distribution pattern found in the present work agrees with the previously reported pattern: M. q....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic forest; Biogeography; MtDNA COI.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200003

Neotropical Monogenoidea 62. Biotodomella mirospinata gen. nov., sp. nov. (Polyonchoinea: Dactylogyridae): a parasite of the gills of Biotodoma cupido (Cichliformes: Cichlidae), from the Peruvian Amazon
Provedor de dados: 103
Autores: Morey,Germán Augusto Murrieta; Arimuya,Mariana Vásquez; Boeger,Walter A.
ABSTRACT Biotodomella gen. nov. (Monogenoidea: Dactylogyridae) is proposed to accommodate Biotodomella mirospinata sp. nov., found on the gills of Biotodoma cupido (Heckel, 1840) (“cara bonita” or “green-streaked eartheater”), a freshwater cichlid from the Peruvian Amazon. The new genus and species differ from other Neotropical dactylogyrids in having the hooks of each hook pair well-differentiated from the remaining pairs, shafts varying in robustness, weakly sclerotized expansions at the proximal end of shaft, and a dorsal anchor with grooved shaft, bifid point. This study represents the first record of a monogenoid from a species of Biotodoma Eigenmann &amp; Kennedy, 1903.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biotodoma; Cichlidae; Dactylogyridae; Monogenoidea; Taxonomy.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100333

Non indigenous ascidians in port and natural environments in a tropical Brazilian bay
Provedor de dados: 103
Autores: Marins,Flávia O.; Novaes,Roberto L. M.; Rocha,Rosana M.; Junqueira,Andrea O. R.
Despite limited natural dispersal, some species of ascidians can be transported vast distances via oceanic petroleum platforms, ship hulls and ballast water and therefore may be good indicators of bioinvasion. Usually non indigenous species (NIS) are abundant in harbors. This is caused in part because of the higher propagule delivery rate in these areas. An alternative explanation of why invasion is enhanced in harbor and marinas is that environmental degradation commonly found in these habitats favors the establishment of NIS. Most surveys for introduced species were not comprehensive and targeted mainly ports and marinas. Angra dos Reis is an excellent system that provides an opportunity to compare the potential distribution of introduced and native...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Artificial substrate; Bioinvasion; Exotic species; Organic pollution; Tunicata.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200009

Geographic distribution model for Mabuya agmosticha (Squamata: Scincidae) in northeastern Brazil
Provedor de dados: 103
Autores: Sales,Raul F.D.; Andrade,Maria J.M. de; Jorge,Jaqueiuto da S.; Kolodiuk,Miguel F.; Ribeiro,Matheus M.; Freire,Eliza M.X.
The Neotropical lizard Mabuya agmosticha Rodrigues, 2000 is a habitat-specialist of thorny bromeliads in rocky outcrops of northeastern Brazil. Its distribution in the Caatinga Domain is most likely relictual. In recent years, new surveys conducted in northeastern Brazil have revealed new records of the species in the Caatinga and also in the Atlantic Forest Domain. In this study, we add four new records for M. agmosticha, extending its known geographic range in the states of Rio Grande do Norte and Paraíba. In addition, we investigated the potential geographical distribution of the species using ecological niche modeling (ENM), which combines the available occurrence records with environmental variables. Our model revealed a continuous range of areas with...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Biogeography; Caatinga; Lizards; Skinks; Species distribution models.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100071

Description of three new species of Quadriacanthus (Monogenea: Ancyrocephalidae) gill parasites of Clarias submarginatus (Siluriformes: Clariidae) from Lake Ossa (Littoral region, Cameroon)
Provedor de dados: 103
Autores: Bahanak,Dieu ne dort; Nack,Jacques; Pariselle,Antoine; Bilong Bilong,Charles F.
ABSTRACT Clariidae is a group that includes many species that have great economic importance in both fisheries and fish culture. Monogenean parasites of fishes assigned to this family have been studied in Cameroon, but there have been no studies on Clarias submarginatus Peter, 1882, a fish that is traditionally consumed by the local people. The examination of 43 specimens identified as C. submarginatus from Lake Ossa (first record of this fish species in the Sanaga basin), revealed that some of them belong to Quadriacanthus and are new. Their identification was made based on the morphology and the size of sclerotized parts of the haptor and the male and female copulatory complexes. Quadriacanthus macruncus Bahanak, Nack &amp; Pariselle sp. nov. and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Quadriacanthus macruncus sp. nov.; Quadriacanthus ossaensis sp. nov.; Quadriacanthus submarginati sp. nov.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000403002

Feeding ecology of the pygmy gecko Coleodactylus natalensis (Squamata: Sphaerodactylidae) in the Brazilian Atlantic Forest
Provedor de dados: 103
Autores: Lisboa,Carolina M. C. A.; Sales,Raul F. D.; Freire,Eliza M. X.
We studied the feeding ecology of a population of Coleodactylus natalensis Freire, 1999, an endemic gecko of Atlantic Forest fragments in the state of Rio Grande do Norte, northeastern Brazil. Lizards (N = 49) were collected manually through active search in the four habitats of Parque Estadual Dunas de Natal, type locality of the species. In the laboratory, we measured the lizards and registered the number of consumed prey items identified to Order, its dimensions and frequencies. We also collected samples of leaf litter in each habitat to determine prey availability. Females were significantly larger than males, but head size did not differ between the sexes. The most important prey categories in the diet of C. natalensis based on number, volume and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arthropods; Diet; Electivity; Leaf litter; Lizards.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000400002

Updates on Berlandiella (Araneae: Philodromidae): a new species, description of the male of B. querencia and new diagnosis for the genus
Provedor de dados: 103
Autores: Pantoja,Paulo; Drago-Bisneto,Marcos; Saturnino,Regiane.
ABSTRACT Berlandiella Mello-Leitão, 1929 is currently composed of six Neotropical species, of which Berlandiella querencia Lise &amp; Silva, 2011 is known only from female specimens; the other species of the genus were described based on both males and females. In this paper, we describe and illustrate Berlandiella zabele sp. nov., based on a few individuals collected in Sete Cidades National Park, Piracuruca and Brasileira, state of Piauí, Brazil. We illustrate and describe the previously unknown male of B. querencia, based on a specimen collected from Reserva Mocambo, Belém, state of Pará, Brazil. The taxa described herein have scopula in the tarsi and metatarsi, and the males have a cymbial process, characters recorded for the first time for the genus....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Neotropical; Northern; Spiders; Taxonomy.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100306

Estimating cyclopoid copepod species richness and geographical distribution (Crustacea) across a large hydrographical basin: comparing between samples from water column (plankton) and macrophyte stands
Provedor de dados: 103
Autores: Perbiche-Neves,Gilmar; Rocha,Carlos E.F. da; Nogueira,Marcos G.
Species richness and geographical distribution of Cyclopoida freshwater copepods were analyzed along the "La Plata" River basin. Ninety-six samples were taken from 24 sampling sites, twelve sites for zooplankton in open waters and twelve sites for zooplankton within macrophyte stands, including reservoirs and lotic stretches. There were, on average, three species per sample in the plankton compared to five per sample in macrophytes. Six species were exclusive to the plankton, 10 to macrophyte stands, and 17 were common to both. Only one species was found in similar proportions in plankton and macrophytes, while five species were widely found in plankton, and thirteen in macrophytes. The distinction between species from open water zooplankton and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: La Plata River basin; Reservoirs; Rivers; Zooplankton.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000300005

Conquering Brazil: the invasion by the exotic gekkonid lizard Hemidactylus mabouia (Squamata) in Brazilian natural environments
Provedor de dados: 103
Autores: Rocha,Carlos Frederico D.; Anjos,Luciano A.; Bergallo,Helena G.
In this study we review the records regarding occurrence of Hemidactylus mabouia Moreau De Jonnès, 1818 in Brazil, looking for records of the species in natural habitats, in order to assess the present status of this gecko as an exotic or invasive alien species in the country. We surveyed the available records of H. mabouia living in natural conditions, considering secondary data obtained from the literature, supplemented with original field records obtained by the authors during fieldwork. We found a total of 36 records in the literature and/or field records reporting the occurrence of H. mabouia in natural habitats in 36 different localities in 13 Brazilian states. The states presenting a higher number of records were Rio de Janeiro (seven), Bahia, São...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Exotic species; Invasive lizard; Monitoring of species; Open habitat invasion; Status of invasion.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600007

Molecular cloning and analysis of Myc modulator 1 (Mm-1) from Bufo gargarizans (Amphibia: Anura)
Provedor de dados: 103
Autores: Wang,Ning; Jia,Rui; Wang,Jing J.; Nie,Liu W.
The protein of Myc modulator 1 (Mm-1) has been reported to repress the transcriptional activity of the proto-oncogene c-Myc in humans. Moreover, it was shown to be the subunit 5 of human prefoldin (PFD). So far, this gene and its homologs have been isolated and sequenced in many organisms, such as mammals and fish, but has not been sequenced for any amphibian or reptile. In order to better understand the function and evolution of Mm-1, we isolated a full-length Mm-1 cDNA (BgMm-1, GenBank accession no. EF211947) from Bufo gargarizans (Cantor, 1842) using RACE (rapid amplification of cDNA ends) methods. Mm-1 in B. gargarizans is 755 bp long, comprising an open reading frame (ORF) of 459 bp encoding 152 amino acids. The amino acid sequence had a prefoldin...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: PFD family; Protein secondary structure.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100017

Capture sequence and relative abundance of bats during surveys
Provedor de dados: 103
Autores: Esbérard,Carlos E. L.
It is expected that rare species will be gradually added to biodiversity surveys over time and that complete inventories will include rare species. The objective in the present work is to test whether the capture sequence of species during a bat survey is related to species abundance. Species with capture rates lower than 0.01x10-3 captures/hour-net were considered rare. At Ilha da Gipóia, rare species accounted for 22.22% of the total and, at Rio das Pedras Reserve, they represented 30.00%. The existence of a negative relationship between the relative abundance and the first night of capture of each species for the Ilha da Gipóia and the high significance level for the accumulation curve at both localities suggest that the documentation of a large number...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Abundance; Atlantic Forest; Sampling effort; Methods; Southeastern Brazil.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100016

Geographic distribution of Hemigrammus ora (Ostariophysi: Characiformes: Characidae) in the Amazon basin, Brazil
Provedor de dados: 103
Autores: Jerep,Fernando C; Carvalho,Fernando R; Bertaco,Vinicius A.
New records of Hemigrammus ora Zarske, Le Bail &amp;amp; Géry, 2006, previously believed to be endemic to the French Guiana drainages, are confirmed for Brazilian drainages. The species is reported from the Tocantins-Araguaia system and lower Amazon River. Morphometric and meristic data, previously undescribed morphological traits related to caudal-fin squamation and anal-fin hooks, and geographic variation are presented for the species.
Tipo: Info:eu-repo/semantics/other
Palavras-chave: French Guiana; Tocantins-Araguaia River basin; Guyana shield; Brazilian shield.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400019

Observations on the mating behavior of the eastern lowland olingo Bassaricyon alleni (Carnivora: Procyonidae) in the Peruvian Amazon
Provedor de dados: 103
Autores: Williams,Sean M.
ABSTRACT The behavior of wild olingos is poorly known. From May-Jul 2015, I surveyed nocturnal mammals in southeast Peru and recorded the behavior of olingos. Multiple olingos were observed in close proximity on four occasions: two occasions in which multiple olingos were feeding on the inflorescences of a Parkia pendula tree; an adult and immature olingo traveling together; and a pair of olingos copulating. The copulation lasted at least 142 minutes, and was characterized by the male biting the hind neck and back of the female, constant female vocalizations, and rapid head turning by the female toward the male. Olingos and kinkajous were similarly abundant. These observations offer insight into the behavior of the wild olingo.
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Natural history; Procyonidae; Reproduction; Sexual behavior.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000304002

Immature stages of the moth Lobeza dentilinea (Lepidoptera: Notodontidae), with redescription of the species based on male and female morphology
Provedor de dados: 103
Autores: Pinheiro,Lívia R; Silva,Renato O; Duarte,Marcelo.
Egg and pupa of Lobeza dentilinea Schaus, 1901 are described and illustrated for the first time. Eggs are smooth, dome-shaped, and greenish at oviposition. Last instar larvae have an aposematic coloration and the chaetotaxy is very similar to other notodontines, except for the number of lateral setae: L. dentilinea has three instead of four lateral setae on abdominal segments A3-A6. Pupae are light brown and typical of the family, with the last abdominal segments broadly round. Evidence from the adult morphology supporting the placement of the genus in Notodontinae includes proboscis smaller than the length of the head, epiphysis with more than half the length of tibia, tarsal claws simple, and labial palpi short. Male and female are confidently...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cteniophore; Genitalia; Larva; Neotropical region; Pupa.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400014

On the Neotropical spider genus Eurymorion (Araneae: Linyphiidae)
Provedor de dados: 103
Autores: Rodrigues,Everton Nei Lopes; Ott,Ricardo.
The Neotropical genus of spider Eurymorion includes, until now, only two species: E. insigne (Millidge, 1991) and E. nobile (Millidge, 1991); both known only by males from the states of Rio de Janeiro and São Paulo (Southeastern Brazil), respectively. The genus is diagnosed mainly by the male palp with a small paracymbium and by the prolonged and medially constricted abdomen. In this paper we describe and illustrate three news species: E. triunfo sp. nov. based on male and female specimens from the states of Paraná, Santa Catarina and Rio Grande do Sul (Brazil) and La Paz (Bolivia), male palp has a rounded lamella characteristica with less projected tip and less developed base of the frontal cheliceral spiniform process, females have long spermatic ducts...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bolivia; Brazil; Neotropical; New records; Spider taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400013

Great unexpected differences between two populations of the intertidal crab Neohelice granulata inhabiting close but contrasting habitats (Crustacea: Decapoda: Brachyura)
Provedor de dados: 103
Autores: Spivak,Eduardo D.; Bas,Claudia C.; Luppi,Tomás A.
ABSTRACT Two populations of the Southwestern Atlantic burrowing crab, Neohelice granulata (Dana, 1851), are separated by only 190 km. They inhabit bays that drain into a Patagonian gulf in the southernmost limit of the geographical distribution of the species: San Antonio Bay (SAO) and San José Gulf (RSJ). The population from SAO has been extensively studied, whereas that of RSJ has not. The main goal of this study is to compare the ecological and habitat characteristics of the two populations, based on samples collected on successive days during the middle of the reproductive season of the crab. The substrate of SAO is composed of a high proportion of gravel and scarce organic matter, whereas the substrate of RSJ presents twice as much silt and clay, and...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Argentine; Estuaries; Crab; Fecundity; Feeding; Growth; Maturity; Sediment.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000604001

Morphological, histological and histochemical analysis of the digestive tract of Trachelyopterusstriatulus (Siluriformes: Auchenipteridae)
Provedor de dados: 103
Autores: Santos,Marcella L. dos; Arantes,Fábio P.; Pessali,Tiago C.; Santos,José E. dos.
ABSTRACT The digestive tract of Trachelyopterus striatulus (Steindachner, 1877) was studied using morphological, histological, and histochemical techniques. The barbels, lips and tongue had stratified squamous epithelium with mucous, claviform cells, and taste buds. Trachelyopterus striatulus had a dental plaque with villiform teeth. The bucopharyngeal cavity was formed by the gill apparatus and pharyngeal teeth with vilifform denticles. The oesophagus presented stratified squamous epithelium with mucous cells and taste buds. The stomach included cardiac, fundic, and pyloric regions and a simple prismatic epithelium with prismatic cells that reacted positively to periodic acid-Schiff (PAS) and amylase+PAS. Only the cardiac and pyloric regions responded...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anatomy; Catfish; Morphology; Mucosubstances; Omnivorous.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000400296

The influence of feeding enrichment on the behavior of small felids (Carnivora: Felidae) in captivity
Provedor de dados: 103
Autores: Resende,Letícia S.; Remy,Gabriella L.; Ramos Jr,Valdir de Almeida; Andriolo,Artur.
Animals in captivity are frequently exposed to environmental deprivation resulting in abnormal behaviors that indicate distress. The aim of the present study was to evaluate the effect of the "surprise pack" environmental enrichment technique in improving the welfare of small neotropical felids in captivity. In order to accomplish this, we used five individuals from the Rio de Janeiro Zoo. The experiment was divided into three steps corresponding to: I) period prior to the enrichment, II) period in which the animals were being submitted to enrichment stimuli, and III) period after the enrichment. In phase II, we observed a significant reduction in abnormal behavior compared to phases I and III. Only in phase II did the animals demonstrate the following...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Neotropical felids; Surprise pack; Zoological.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400003

A new species of Xenylla (Collembola: Poduromorpha: Hypogastruridae) with new records for the state of Espirito Santo, southeastern Brazil
Provedor de dados: 103
Autores: Fernandes,Liliane Henriques; Mendonça,Maria Cleide de.
A new species of Xenylla Tullberg, 1869, X. capixaba sp. nov., is described and illustrated. In addition, we present a list with new records of Poduromorpha from the state of Espírito Santo, Brazil. Xenylla yucatana Mills, 1938 and Brachystomella platensis Najt &amp;amp; Massoud, 1974 are for the first time recorded in Brazil. Also, the distributions of B. ceciliae Fernandes &amp;amp; Mendonça, 2004, B. contorta Denis, 1931 and Arlesia albipes (Folsom, 1927) are expanded to include Espírito Santo. Brachystomella agrosa Wray, 1953, previously recorded in agricultural soils, was also found in a marine environment.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bracystomellidae; Collembolan diversity; List of species; Neanuridae.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100018

The sexual dimorphic inguinal glands of the frog species Ololygon centralis (Anura: Hylidae) at light and transmission electron microscopy
Provedor de dados: 103
Autores: Brito,Pedro; Targueta,Cíntia P.; Arruda,Walquíria; Santos,Fernanda; Bastos,Rogério.
ABSTRACT The anuran skin characteristically has different types of glands, most of which are microscopic and are spread throughout the skin. Some species have specialized regions where glands agglomerate, forming macroglands. The description of the external morphology of Ololygon centralis (Pombal &amp; Bastos, 1996) revealed the presence of an inguinal gland. Ololygon centralis is the only species of the genus that has a macrogland. The present study found these inguinal macroglands to be present only on male specimens, thus characterizing it as a sexually dimorphic skin gland. Microscopic analysis revealed that these glands are composed of many syncytial units involved by myoepithelial cells. The center of the syncytium is full of a proteinaceous...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Histochemistry; Morphology; Skin; Serous gland.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100317

Effect of the insecticide Lambda-cyhalothrin on rice spider populations in southern Brazil
Provedor de dados: 103
Autores: Rodrigues,Everton N. L.; Mendonça Jr,Milton de S.; Fritz,Leila L.; Heinrichs,Elvis A.; Fiuza,Lídia.
The adverse effect that insecticides have on spider populations is of major concern since these predators are a component in the biological control of rice insect pest populations. This study was designed to determine the effect of the pyrethroid insecticide, Lambda-cyhalothrin, on spider populations in rice fields. Treatments consisted of plots treated once with the insecticide and untreated plots (control). Spiders were sampled four times per crop year over a two year period in each of three sites in the state of Rio Grande dol Sul, Brazil. Treatments were replicated four times. Sweep net sampling was conducted to sample the araneofauna. Overall 1,961 spiders were collected, with a predominance of juveniles over adults. Between treatments, there were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rice culture; Spider abundance; Spider composition; Species richness; Lambda-cyhalothrin.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600005

Omorgus suberosus and Polynoncus bifurcatus (Coleoptera: Scarabaeoidea: Trogidae) in exotic and native environments of Brazil
Provedor de dados: 103
Autores: Correa,César M. A.; Puker,Anderson; Korasaki,Vanesca; Ferreira,Kleyton R.
Trogidae beetles are important for the decomposition of organic material in ecosystems. In the Neotropical region, little is known about this family, except for their taxonomy. In this study, we report the presence of Omorgus suberosus (Fabricius, 1775) and Polynoncus bifurcatus (Vaurie, 1962) in exotic and native environments of Brazil, sampled with different baits. The beetles were captured in pastures with introduced grass (Brachiaria spp.) and in patches of native forest (Brazilian savanna). We used pitfall traps baited with carrion and human feces every two weeks, from January to December 2011, and with carrion, cow dung, human feces and pig manure at the beginning of the rainy season (October 2011). Over the course of one year, 24 individuals of O....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Agro-pastoral landscape; Brachiaria spp; Copro-necrophagous beetles; Ecological services; Insect biodiversity.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200015

A dwarfish new species of Phylloicus (Trichoptera: Calamoceratidae) from Southeastern Brazil
Provedor de dados: 103
Autores: Dumas,Leandro L.; Nessimian,Jorge L.
Phylloicus monneorum sp. nov. is described and illustrated based on specimens collected in the Mantiqueira mountain range, Itatiaia, state of Rio de Janeiro, Brazil. The new species is the smallest within the genus. The male can be distinguished by the preanal appendages short, wide, flattened and with irregular margins, and by the deeply V-shaped tergum X. The female is also described and figured. The immature stages are unknown.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Female description; Neotropical Region; Phylloicus monneorum sp. nov.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200016

The identity of Myotis punensis (Chiroptera: Vespertilionidae)
Provedor de dados: 103
Autores: Moratelli,Ricardo; Wilson,Don E.
Currently twelve species of Myotis Kaup, 1829 (Vespertilionidae: Myotinae) are recognized from South America, with several other named taxa regarded as synonyms, among them Myotis punensis J.A. Allen, 1914. This name was first regarded as a junior synonym of Myotis albescens (É. Geoffroy, 1806) and subsequently of Myotis nigricans (Schinz, 1821). To address the taxonomic status of the holotype of M. punensis, we compared it to all South American species in the genus. The fringe of hairs on the trailing edge of the uropatagium, the fur color, and external and skull dimensions all suggest M. punensis should be treated as a junior synonym of M. albescens
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ecuador; Myotinae; Myotis albescens; Myotis esmeraldae; Synonymy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100016

Body mass index and glucose variations during the night in free-ranging Artibeus planirostris (Chiroptera: Phyllostomidae)
Provedor de dados: 103
Autores: Azeredo,Luane Maria Melo; Ximenes,Monique Silva; Pereira,Kleytone Alves; Fracasso,Maria Paula Aguiar; Lopez,Luiz Carlos Serramo.
ABSTRACT Body condition is an important measure to estimate the energy reserve of an organism. Scientists frequently use body condition indices (BCIs) with morphometric measures but direct measurements, such as blood glucose, seem to be more reliable. We observed oscillations in the body condition and glucose indexes of individuals of Artibeus planirostris (Spix, 1823) during 13 nights in the field. We assume that if glucose levels are proportional to feeding state and body condition is a measure of energy reserve, blood glucose and BCI should be positively correlated and both are expected to increase during the night as the bats leave their diurnal roost to feed. To test this, we examined the relationship between blood glucose levels, BCI and reproductive...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Body condition; Blood metabolites; Foraging.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100310

Diet and potential feeding overlap between Trichiurus lepturus (Osteichthyes: Perciformes) and Pontoporia blainvillei (Mammalia: Cetacea) in Northern Rio de Janeiro, Brazil
Provedor de dados: 103
Autores: Bittar,Vanessa T.; Di Beneditto,Ana Paula M.
This study describes the diet and assesses potential overlap in the feeding habits of Trichiurus lepturus Linnaeus, 1758 and Pontoporia blainvilleiGervais &amp;amp; D'Orbigny, 1844 in northern Rio de Janeiro, southeastern Brazil. Fishes were numerically dominant in both diets, followed by cephalopods for P. blainvillei and crustaceans for T. lepturus. Both predators move along similar coastal feeding areas in northern Rio de Janeiro, but our results indicate differences in their resource exploitation, what allows for their coexistence.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cannibalism; Diet; Feeding; Food habits; Predators.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200023

Falco sparverius (Aves: Falconiformes) preying upon Nyctinomops laticaudatus (Chiroptera: Molossidae)
Provedor de dados: 103
Autores: Aguiar,Ludmilla Moura de Souza; Motta,Adarene; Esberárd,Carlos.
In Brazil, there are two published references on the diet of American kestrel falcons, Falco sparverius Linnaeus, 1758, and one is for the Cerrado biome. The only mammal prey so far found in the diet of F. sparverius was the rodent Calomys tener (Winge, 1887). Herein we report on daily hunting activities by American kestrel falcons at a factory in the city of Uberlândia, state of Minas Gerais, southeastern Brazil, during an attempt to remove a bat colony. Two American kestrel falcons were observed on 14 occasions during two consecutive days: in two of these occasions, they were hunting in pairs, from 12:00 p.m. to 3:00 p.m. on 06/X/2003, and from 07:00 a.m. to 11:00 a.m. on 07/X/2003. During this period, American kestrel falcons made 27 hunting attempts...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bats; Brazil; Cerrado; Predator; Predation.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000200011

Phylogeny of the Neotropical longhorn beetle genus Ateralphus (Coleoptera: Cerambycidae: Lamiinae)
Provedor de dados: 103
Autores: Souza,Diego de S.; Monné,Marcela L.; Marinoni,Luciane.
ABSTRACT Ateralphus Restello, Iannuzzi &amp; Marinoni, 2001 is a Neotropical genus of longhorn beetles composed of nine species. This genus was proposed from splitting Alphus White, 1855 into other two genera: Ateralphus and Exalphus Restello, Iannuzzi &amp; Marinoni, 2001. Even though Ateralphus (nine species), Alphus (four) and Exalphus (18) were recently revised, their validity has not been tested using phylogenetic methods. In this study, we carried out a cladistic analysis of Ateralphus and its related genera, Alphus and Exalphus, based on 44 morphological characters of the adults, to test their monophyly and infer the relationships between their species. Our results support the monophyly of the three genera and recovered two clades that corroborate...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acanthoderini; Cladistics; Distribution; New combination; Taxonomy.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100304

Wildlife biologists are on the right track: A mammalogist's view of specimen collection
Provedor de dados: 103
Autores: Moratelli,Ricardo.
Tipo: Info:eu-repo/semantics/other
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000500001

Anuran community composition along two large rivers in a tropical disturbed landscape
Provedor de dados: 103
Autores: Almeida-Gomes,Mauricio; Rocha,Carlos Frederico Duarte; Vieira,Marcus Vinícius.
In this study we evaluated how anuran species were distributed in riparian habitats along two large rivers. Sampling was carried out between January and March 2012 in the municipality of Cachoeiras de Macacu, state of Rio de Janeiro. We delimited 20 plots along each river, ten in portions inside the forest of the Reserva Ecológica de Guapiaçu (REGUA), and with comparatively greater amount of forest cover, and ten outside REGUA, with comparatively lesser forest cover surrounding the rivers. We recorded 70 individuals from 14 frog species in the Manoel Alexandre River and 63 individuals from 15 frog species in the Guapiaçu River. The most abundant species in both rivers was Cycloramphus brasiliensis (Steindachner, 1864), and it was more abundant in sections...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibian conservation; Aquatic environments; Connectivity; Frog species; Riparian forests.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100009

Association between deep-water scale-worms (Annelida: Polynoidae) and black corals (Cnidaria: Antipatharia) in the Southwestern Atlantic
Provedor de dados: 103
Autores: De Assis,José Eriberto; Souza,José Roberto B. de; Lima,Manuela M. de; Lima,Gislaine V. de; Cordeiro,Ralf T.S.; Pérez,Carlos D.
ABSTRACT Polynoid scale-worms have been found living as commensals with deep-water antipatharians (commonly known as black corals) in the Potiguar Basin, off Rio Grande do Norte State, Northeastern Brazil. In this paper two polychaete species and four black corals species are redescribed. Benhamipolynoe cf. antipathicola and Parahololepidella cf. greeffi, and the black coral Stylopathes adinocrada Opresko, 2006 are recorded for the Southwestern Atlantic. Benhamipolynoe cf. antipathicola was ﬁrst described from off New Zealand and the Malay Archipelago, as symbiont with the black coral Stylopathes tenuispina (Silberfeld, 1909). It was later reported for the North Atlantic, off Florida, associated with Stylopathes columnaris (Duchassaing, 1870). In our...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Hexacorallia; Polynoids; South America; Symbiosis.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100315

A new species of Acteon (Opisthobranchia: Acteonidae) from Northeast Brazil
Provedor de dados: 103
Autores: Cunha,Carlo Magenta.
A new species of Acteon Montfort 1810, Acteon mirim sp. nov., from Canopus Bank, state of Ceará, Brazil is described based on shell morphology. The new species is compared with other species of the genus reported from Brazil. It differs from other Brazilian species in having a whitish color with dark orange-brown spiral bands and a shell surface covered with small spiral grooves, regularly rectangular.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Gastropoda; Cephalaspidea; Deep water; Conchology; Taxonomy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200012

Metriura Drolshagen &amp;amp; Bäckstam, 2009 (Araneae: Dipluridae) is a junior synonym of Fufius Simon, 1888 (Araneae: Cyrtaucheniidae)
Provedor de dados: 103
Autores: Bertani,Rogério; Fukushima,Caroline Sayuri; Nagahama,Roberto Hiroaki.
The monotypic diplurid Metriura Drolshagen &amp;amp; Bäckstam, 2009 is placed in synonymy with Fufius (Cyrtaucheniidae) syn. nov. since Metriura lacks two of three diplurid synapomorphies (elongate posterior lateral spinnerets and the widely separated posterior median spinnerets) and shares synapomorphies with both aporoptychine cyrtaucheniids (subquadrate maxilla and a longer than wider labium) and Fufius (recurved and broad fovea, the typical incrassate tibia I of the male, with the spur having a single short branch and an apical megaspine, the basally curved metatarsus I and provided with a ventral tubercle). The type species of Metriura, M. striatipes Drolshagen &amp;amp; Bäckstam, 2009 is considered valid, and due to the synonymy of Metriura with...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Amazon; Mygalomorphae; Synonymy; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500016

Alcmeone robustus (Hemiptera: Membracidae: Darninae): description of the last-instar nymph and biological notes
Provedor de dados: 103
Autores: Lencioni-Neto,Frederico; Sakakibara,Albino M.
The last-instar nymph of Alcmeone robustus (Butler, 1877) (Membracidae, Darninae, Darnini) is described and illustrated, and some biological and behavioral notes are provided. The nymphs were observed on Pera sp. (Euphorbiaceae) in the locality of Jacareí, state of São Paulo, Brazil, until they became adults. The newly emerged adults, male and female, are also briefly re-described.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Behavior; Biology; Immature stage; Treehopper.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000500001

Morphologic analysis of developmental phases and gill ontogenesis in neotropical species Poecilia vivipara (Cyprinodontiformes: Poeciliidae) exposed to different salinities
Provedor de dados: 103
Autores: Rocha,Thiago L.; Carvalho,Rodolfo; Yamada,Áureo T.; Sabóia-Morais,Simone M. T.
The present study evaluated and characterized the different phases of development and the cell types present in the gill epithelium of embryos, larvae, and fingerlings of guppy (Poecilia vivipara Bloch &amp;amp; Schneider, 1801) specimens exposed to water with salinity ranging from 0‰ to 20‰. The development of P. vivipara was classified into eight phases. The yolk was intensely eosinophilic, with glycidic and lipidic components between phases 1 to 7. After the development of their branchial epithelium, the presence of pavement cells, mitochondria-rich cells, and mucous cells (MCs) was observed. The understanding of ontogenesis indicates the sequence of cellular origin. Only type IV MCs located in the gill rays was detected from phase 3 through phase 7....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Developmental biology; Euryhalinity; Guppy; Mucous cells; Teleosts.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400007

Feeding strategy of Menticirrhus americanus and Menticirrhus littoralis (Perciformes: Sciaenidae) juveniles in a sandy beach surf zone of southern Brazil
Provedor de dados: 103
Autores: Rodrigues,Fábio L.; Vieira,João P.
The diet and foraging strategy of juvenile Menticirrhus americanus (Linnaeus, 1758) and Menticirrhus littoralis (Holbrook, 1847) were studied, testing the existence of trophic overlap between these species and within different seasons (spring and summer). Individuals were sampled using a beach seine in the surf zone near Rio Grande, state of Rio Grande do Sul, Brazil. Based on Morisita's Simplified Overlap Index and Bootstrapping technique, trophic overlap between species was considered high during the spring (Cik = 0.97 ± 0.07) and low during the summer (Cik = 0.37 ± 0.14). Juveniles shared the same food resources during the spring (FO of amphipods &gt; 0.75), with the M. americanus diet presenting lower prey diversity (N = 7) when compared to M....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amundsen Method; Bootstrap; Diet overlap; Gulf Kingfish; Southern Kingfish.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600006

Comparing the effectiveness of tracking methods for medium to large-sized mammals of Pantanal
Provedor de dados: 103
Autores: Olifiers,Natalie; Loretto,Diogo; Rademaker,Vitor; Cerqueira,Rui.
Most Neotropical mammals are not easily observed in their habitats, and few studies have been conducted to compare the performance of methods designed to register their tracks. We compared the effectiveness of track registry between sand plots and two tracking methods that use artificial materials to record tracks: the sooted paper, and the plastic board methods. The latter is described here for the first time. From 2002 to 2005, we conducted two experiments in three study sites in the Pantanal region of Brazil. We compared the artificial methods with the sand plot by registering track presence/absence, the number of identifiable tracks, and the total number of tracks (identifiable and unrecognizable) in each tracking plot. Individuals avoided artificial...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mammals; Pantanal; Plastic board; Scent-station; Track-plates.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200008

Variability of δ13C and δ15N in three zooplankton species from the Upper Paraná River floodplain
Provedor de dados: 103
Autores: Santana,Ana R. A.; Lansac-Tôha,Fabio Amodêo; Benedito,Evanilde.
This study evaluated the isotopic composition of three zooplankton species - Notodiaptomus amazonicus (Wright, 1935), Moina minuta Hansen, 1899 and Bosmina hagmanni Stingelin, 1904 - from the Upper Paraná River floodplain. We predicted that there would be isotopic variability among species in the different sampled environments. Samplings were conducted in three lakes from the Baía subsystem and in two lakes from the Paraná subsystem. At each location, some abiotic variables were measured, and zooplankton (3 to 4) and phytoplankton (3) samples were taken. The species sampled did not present significant differences between subsystems; however, they were different among the lakes, with variations of about 10.8‰ for δ13C and 5.8‰ for δ15N. The isotopic values...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Food web; Limnology; Phytoplankton; Energy; Stable isotopes.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400017

Vultures and others scavenger vertebrates associated with man-sized pig carcasses: a perspective in Forensic Taphonomy
Provedor de dados: 103
Autores: Demo,Caroline; Cansi,Edison Rogério; Kosmann,Cecília; Pujol-Luz,José Roberto.
The activity of vertebrates that feed on corpses can modify the chronology of the decomposition process and interfere with postmortem interval estimates. Further, by destroying the soft parts of the cadaver, scattering, burying or causing the disappearance of bones, it can entirely change the crime scene. In this study, we simulated a clandestine cemetery in an area of Cerrado located inside a farm in Brasília, Distrito Federal. Three domestic pigs of the size of a human of about 60 kg were placed on the ground in different periods of 2010 and 2011. We recorded four species of birds and one of mammal eating the carcasses: 1) Cathartidae: Coragyps atratus (Bechstein, 1973), Cathartes aura (Linnaeus, 1758), Sarcoramphus papa (Linnaeus, 1758); 2) Falconidae:...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cerrado; Chronothanatognosis; Clandestine cemeteries; Decomposition; Necrophagy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000500010

Description of immature stages and natural history of Stigmella schinivora (Lepidoptera: Nepticulidae), a leaf-miner associated with the Brazilian peppertree
Provedor de dados: 103
Autores: Pereira,Cristiano M.; Silva,Denis S.; Vargas,Héctor A.; Moreira,Gilson R.P.
ABSTRACT Stigmella schinivora van Nieukerken, 2016 was described from Cataratas de Iguazú, Misiones, Argentina, based on adults reared from Schinus terebinthifolius Raddi (Anacardiaceae) leaf mines. The aim of this study is to describe for the first time the external morphology of the immature stages of S. schinivora with the aid of light and scanning electron microscopy, based on mines collected on the same host plant, but in Laranjeiras do Sul, Paraná, Brazil. Data on natural history, including histology of the mines, are also provided. The larva passes through four instars, all endophytic, having chewing mouth parts and feeding on the palisade parenchyma. The first three instars are apodous and have a subcylindrical body, bearing only one pair of setae...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic forest; Leaf-mining moths; Microlepidoptera; Nepticulids; Schinus terebinthifolius.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100341

Perilestes eustaquioi sp. nov. and new distributional records of Perilestidae (Odonata) in Brazil
Provedor de dados: 103
Autores: Machado,Angelo B. M.
ABSTRACT Perilestes eustaquioi sp. nov. (holotype male deposited in ABMM collection) from the state of Bahia (municipality of Una), northeastern Brazil, is described and illustrated based on one male specimen. It differs from the other species of the genus mainly by the larger size of the anteclypeus in relations to the postclypeus. Together with P. fragilis Hagen in Selys, 1862 from the state of Sergipe and P. solutus Williamson &amp; Williamson, 1924 from the state of Ceará, these are the first records of Perilestidae from northeastern Brazil.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Damselflies; Northeastern Brazil; Zygoptera.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500428

Use of space by the Neotropical caviomorph rodent Thrichomys apereoides (Rodentia: Echimyidae)
Provedor de dados: 103
Autores: Almeida,Alex José de; Freitas,Melina Maciel F.; Talamoni,Sônia A.
The objective of this study was to investigate some parameters of the space use by individuals in a population of the hystricognath rodent Thrichomys apereoides (Lund, 1839), using the spool-and-line tracking technique. This technique is useful for investigating characteristics of habitat use by individuals since it allows the mapping of the places where the individuals move. We evaluated three parameters of space use by 34 individuals of T. apereoides: 1) The daily home range (DHR) or the area used by individuals in their daily activities, 2) the distance moved on the leaf litter, and 3) the distance moved above ground using twigs, logs and rocks. The analysis of space use on such a small scale allows a better understanding of how individuals perceive and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caviomorph rodent; Daily home range; Spacing pattern; Spool-and-line.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100004

Addendum for the paper "Two new species of Emersonella (Hymenoptera: Eulophidae: Entedoninae) from the Brazilian Atlantic forest"
Provedor de dados: 103
Autores: Alvarenga,Thiago M.; Costa,Valmir A.; Hansson,Christer; Carvalho,César F.
ABSTRACT The purpose of this short communication is to provide information on the depository for the primary types of the new species described by Alvarenga et al. (2015) and thus validate the names suggested therein. The depository for the primary types of the new species Emersonella appendigaster Alvarenga, Costa &amp; Hansson, 2015 and Emersonella frieirocostai Alvarenga, Costa &amp; Hansson, 2015 is the Museu de Zoologia, Universidade de São Paulo, São Paulo, Brazil (MZSP).
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Emersonella appendigaster; Emersonella frieirocostai; New species; Validation of names.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600538

Redescription of Misumenoides athleticus comb. nov. (Araneae: Thomisidae), wrongly assigned to the philodromid genus Petrichus
Provedor de dados: 103
Autores: Teixeira,Renato Augusto; Lise,Arno Antonio.
Petrichus athleticus Mello-Leitão, 1944 was described from Punta Piedras, Argentina, based on male and female specimens. The species was originally wrongly assigned to Petrichus Simon, 1886 because it has the cephalic region more elevated than the carapace region. However, examination of the holotype has revealed the presence of lateral eye tubercles, and legs I and II longer and stouter than legs III and IV. These characteristics are considered synapomorphic for the Thomisidae. Furthermore, the presence of an epigynal hood (type "hood pocket"), RTA long with simple base and modified apex, absence of tutaculum, and short setae on the surface of the carapace and abdomen corroborate that P. athleticus belongs to Misumenoides F.O.P.-Cambridge, 1900. In this...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Argentina; Crab spider; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000400010

Morphometric study of a Brazilian strain of Carchesium polypinum (Ciliophora: Peritrichia) attached to Pomacea figulina (Mollusca: Gastropoda), with notes on a high infestation
Provedor de dados: 103
Autores: Dias,Roberto Júnio P.; Cabral,Adalgisa F.; Siqueira-Castro,Isabel C. V.; Silva-Neto,Inácio D. da; D'Agosto,Marta.
During an ecological study of the epibiotic relationship between ciliate protists and Pomacea figulina (Spix, 1827) (Gastropoda, Ampullariidae), originating from an urban stream in southeast Brazil, a high infestation by the peritrich ciliate Carchesium polypinum (Linnaeus, 1758) Ehrenberg, 1830 (Ciliophora, Peritrichia) associated to the shell of one mollusc among 23 was observed. We provided a morphological and morphometric study of C. polypinum using observations of specimens in vivo, after protargol staining, and examined using scanning electron microscopy. The Brazilian-population of C. polypinum is characterized by: size of zooid in vivo 89 µm x 57 µm on average; colony regularly dichotomously branched with usually up to 40 zooids; macronucleus...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ampullariidae; Epibiosis; Gastropod; Morphology; Peritrichs.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300024

Distribution extension of Phimophis guerini (Serpentes: Dipsadidae: Xenodontinae) in the Brazilian Amazon
Provedor de dados: 103
Autores: Santos-Jr,Alfredo P.; Almeida-Santos,Danilo A.; Ribeiro,Síria; Carmargo,Isla C.M.; Prudente,Ana Lúcia da Costa.
ABSTRACT Phimophis guerini Duméril, Bibron &amp; Duméril, 1854 is a Xenodontinae snake distributed in Argentina, Brazil and Paraguay. In Brazil, the species is broadly distributed, occurring mainly in open areas of the Cerrado, but also in the Amazon, Atlantic forest and Caatinga. We provide a new record for this species from the municipality of Santarém in the western portion of the state of Pará (Brazil). Five specimens were collected in a small area covered with Amazonian Savanna vegetation. We also provide the description of the morphological variation for the collected specimens. The new record extends the northern limit of the distribution by some 640 km (from Floresta Nacional de Carajás, Parauapebas municipality, eastern Pará). The record from...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Amazonian savanna; Morphological data; Pará state; Pseudoboini.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100501

A new genus and species of Cicadellini (Hemiptera: Cicadellidae) from the Brazilian Atlantic Rainforest
Provedor de dados: 103
Autores: Mejdalani,Gabriel; Cavichioli,Rodney Ramiro.
The Neotropical sharpshooter Parasubrasaca felixi, gen. nov., sp. nov., is described and illustrated from the Atlantic Rainforest of Southeastern Brazil (state of Espírito Santo). The new genus can be distinguished from other members of the Cicadellini by several morphological features, including a unique modification of the basal portion of the aedeagus, which bears a conspicuous, ventrally directed projection that articulates with the connective. The projection bears a pair of strong spines directed posteriorly. In addition to the external morphology, color pattern, and male genitalia, the female genitalia of the new taxon are also described in detail. A discussion comparing the new genus with similar Neotropical taxa (Subrasaca Young, 1977, Soosiulus...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Auchenorrhyncha; Cicadellinae; Morphology; South America; Taxonomy.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600012

Size-mass relationships of Melanoides tuberculatus (Thiaridae: Gastropoda) in a eutrophic reservoir
Provedor de dados: 103
Autores: Silva,Eduardo Carvalho; Molozzi,Joseline; Callisto,Marcos.
This study evaluated the relationships of certain allometric measurements in Melanoides tuberculatus Muller, 1774, in order to develop a statistical model to estimate the biomass of this mollusc species. We measured the total length and aperture of 70 shells. These measurements were correlated with the biomass values to construct exponential and power-function models, and both models showed high coefficients of determination. The exponential model was the better biomass predictor, with a coefficient of determination over 93%. These proposed models may be an effective tool to determine the biomass of M. tuberculatus in eutrophic Brazilian reservoirs.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Allometry; Dry mass; Eutrophication; Molluscs.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500004

Missing for the last twenty years: the case of the southernmost populations of the Tropical Mockingbird Mimus gilvus (Passeriformes: Mimidae)
Provedor de dados: 103
Autores: Zanon,Mariana S.; Vale,Mariana M.; Alves,Maria Alice S.
The Tropical Mockingbird Mimus gilvus (Vieillot, 1808) is a widespread species in the Neotropics, but its southernmost populations in Brazil are ecologically (and possibly taxonomically) distinct, occurring only along the coast in restinga vegetation. Once considered the most common bird in restinga, it is becoming increasingly rare, likely due to habitat loss and illegal capture of nestlings. We conducted field surveys to provide an up-to-date distribution of the Tropical Mockingbird in the southernmost portion of the species' range, in the state of Rio de Janeiro, supplying an estimate of its current regional population size and conservation status. We surveyed 21 restinga remnants in Rio de Janeiro, covering all major restinga areas in the state. For...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Conservation status; IUCN; Restinga; Rio de Janeiro.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100001

César Ades (08.I.1943 - 14.III.2012)
Provedor de dados: 103
Autores: Ramires,Eduardo Novaes.
Tipo: Info:eu-repo/semantics/other
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000300008

Population biology of Aegla platensis (Decapoda: Anomura: Aeglidae) in a tributary of the Uruguay River, state of Rio Grande do Sul, Brazil
Provedor de dados: 103
Autores: Dalosto,Marcelo M.; Palaoro,Alexandre V.; Oliveira,Davi de; Samuelsson,Évelin; Santos,Sandro.
Aeglids are freshwater anomurans that are endemic from southern South America. While their population biology at the species-level is relatively well understood, intraspecific variation within populations has been poorly investigated. Our goal was to investigate the population biology of Aegla platensis Schmitt, 1942 from the Uruguay River Basin, and compare our data with data from other populations. We estimated biometric data, sex ratio, population density and size-class frequencies, and frequencies of ovigerous females and juveniles, from the austral spring of 2007 until autumn 2008. Sexual dimorphism was present in adults, with males being larger than females. Furthermore, males and females were significantly larger than previously recorded for the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aeglids; Ecological plasticity; Intraspecific variation; Population density; Sampling methods; Sex ratio.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000300002

A new species of Pterinopelma (Araneae: Theraphosidae) from the highlands of the state of Minas Gerais, Brazil and description of the male of P. sazimai
Provedor de dados: 103
Autores: Bertani,Rogério; Leal,Fernando.
ABSTRACT We describe a new species of tarantula from the highlands of the state of Minas Gerais, Brazil. Males of the new species can be distinguished from congeners by having palpal bulb keels weakly developed, and metatarsus I strongly curved, touching apex of retrolateral spur when folded. Females can be distinguished by the color pattern, carapace and legs black with conspicuous white rings on distal femora, patellae, tibiae, and metatarsi. The male of Pterinopelma felipeleitei sp. nov. was previously misidentified and described under the name Pterinopelma sazimai Bertani, Nagahama &amp; Fukushima, 2011. The true male of P. sazimai is herein described from a specimen collected near the type locality. Similar to the conspecific female, this male has...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Espinhaço Mountain Range; Tarantula; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000203002

Two new species of Lepidiella (Diptera: Psychodidae: Psychodinae) from the Atlantic Rainforest of southeastern Brazil
Provedor de dados: 103
Autores: Bravo,Freddy; Santos,Claudiney Biral dos.
Currently, the Neotropical genus Lepidiella Enderlein, 1937 comprises ten species, only one of them recorded from Brazil. In this paper, two new species of this genus are described from the Atlantic Rainforest of the state of Espírito Santo, Brazil. Lepidiella robusta sp. nov. can be distinguished from all known species by the relative size of the first flagellomere, twice as long the second. Lepidiella flabellata sp. nov. can be distinguished from all known species by the absence of cornicula, cercus with 17 tenacula and pair of inner parameres apically bifurcated. A diagnosis of Lepidiella (species with flagellomeres 1-11 barrel-shaped, bearing simple, unbranched ascoids; flagellomeres 12-14 smaller, without ascoids; wing with acute apex and R4 ending at...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Rainforest; Moth fly; Neotropical region; New taxa; Taxonomy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200017

Reproductive biology in the starfish Echinaster (Othilia) guyanensis (Echinodermata: Asteroidea) in southeastern Brazil
Provedor de dados: 103
Autores: Mariante,Fátima L. F.; Lemos,Gabriela B.; Eutrópio,Frederico J.; Castro,Rodrigo R. L.; Gomes,Levy C.
Echinaster (Othilia) guyanensis Clark, 1987 is an endangered starfish distributed throughout the Caribbean and Atlantic Ocean. Even though it has been extensively harvested, little is known about the biology and ecology of this starfish. Here, we examine reproduction seasonality in E. (O.) guyanensis. Individuals were collected monthly for one year, including four complete lunar phases. The gonad index (GI) was calculated to determine annual and monthly reproductive peaks. Gametogenesis stages were also determined. Sex ratio was 1:1.33 (M:F). Gonadosomatic index, body weight, central disc width and arm length were similar for both sexes. Gonads were present in all animals with arm length greater than 36.2 mm. Lunar phase was not associated with E. (O.)...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Reproduction; Gametogenesis; Gonad index; Lunar periodicity.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600010

Dimorphism and allometry of Systaltocerus platyrhinus and Hypselotropis prasinata (Coleoptera: Anthribidae)
Provedor de dados: 103
Autores: Mattos,Ingrid; Mermudes,José Ricardo M.; Moura,Mauricio O.
Males of sexually dimorphic anthribid species display structural modifications that suggest sexual selection. Polyphenism, which is expressed through morphological and behavioral novelties, is an important component of the evolutionary process of these beetles. In this study, we endeavored to ascertain the presence of variations in selected monomorphic traits, polyphenism in males, and variation in structures associated with sexual dimorphism and allometric patterns in two species: Systaltocerus platyrhynus Labram &amp;amp; Imhoff, 1840 and Hypselotropis prasinata (Fahraeus, 1839). To that end, we used Principal Components Analysis (PCA) and Canonical Variate analysis (CVA) to statistically analyze 26 measurements of 91 specimens. The PCA discriminated...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anthribinae; Morphometry; Polyphenism; Sexual dimorphism.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000100007

Anurans from two high-elevation areas of Atlantic Forest in the state of Rio de Janeiro, Brazil
Provedor de dados: 103
Autores: Siqueira,Carla C; Vrcibradic,Davor; Dorigo,Thiago A; Rocha,Carlos F. D.
The anurofauna inhabiting higher montane Atlantic forest areas in southeastern Brazil, which often attain heights of more than 2000 m, is still insufficiently known. In this study, we present data on anuran species composition and abundances in two high-altitude (i.e. &gt; 1000 m) sites within the Parque Estadual dos Três Picos (PETP), in the state of Rio de Janeiro. Field surveys were done at altitudes between 1100 and 1900 m above sea level. We recorded 35 species during our study, adding 22 records to the set of anuran species previously known to occur within the PETP. The stability of the species accumulation curve, as well as the richness estimations, showed that the sampling methodology employed and the total sampling effort were appropriate to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Altitude; Amphibian; Community; Serra dos Órgãos mountains; Species richness.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400007

A review of Diphuia (Diptera: Ephydridae) with description of two new species from southern Brazil
Provedor de dados: 103
Autores: Mathis,Wayne N.; Marinoni,Luciane.
The species of Diphuia Cresson, 1944 are reviewed with an emphasis on the fauna from southern Brazil, where two new species have been discovered and herein are described: Diphuia antonina sp. nov. and Diphuia grandis sp. nov. All known species are placed into two species groups (the anomala and nitida groups), which are characterized, and a key to these species is included. To facilitate identification of species of this uncommon genus, we have included diagnoses of the genus and tribe Hecamedini and have also provided an annotated key to New World genera in the tribe and to the known species of Diphuia. We have also provided illustrations of structures of the male terminalia of all included species.The species from southern Brazil, including the new ones,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Neotropical; New World; Shore-fly; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500017

Daily activity patterns of visits by males of four species of Eulaema (Apidae: Euglossina) to odor baits in a tropical forest fragment in Bahia, Brasil
Provedor de dados: 103
Autores: Melo,Pedro N.; Gimenes,Miriam; Oliveira Neto,Antonio.
Several studies have been conducted with bees of the subtribe Euglossina using odor baits as attractants. The objective of this study was to analyze the daily activity pattern of visits by males of four species of Eulaema - Eulaema nigrita Lepeletier, 1841, Eulaema flavescens (Friese, 1899), Eulaema cingulata (Fabricius, 1804) and Eulaema bombiformis (Packard, 1869) - to vanillin and benzyl acetate baits, and their relationship with climatic and environmental factors throughout the day in different months of the year in a tropical forest fragment in Bahia. Eulaema nigrita was the most frequent species on vanillin baits and E. flavescens was the most frequent species on benzyl acetate baits. The highest frequency of visits was observed in February and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Eulaema; Odor baits; Ombrophylous forest; Orchid bees.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200002

Temporal differences in breeding site use between tits and mice
Provedor de dados: 103
Autores: Suzuki,Kei K.; Yoshida,Tomoya; Yamane,Yutaka; Shimamoto,Tatsuki; Furukawa,Ryuji G.; Yanagawa,Hisashi.
ABSTRACT Describing the interactions among cavity breeders is key to understanding their breeding ecology. In this study the temporal difference in cavity use between the great tit, Parus major (Linnaeus, 1758) and the small Japanese field mice, Apodemus argenteus (Temminck, 1845) is investigated, as a first step for clarifying the interaction between bird and mammal cavity breeders. Forty-seven nest boxes were installed on tree trunks in two urban forests of Hokkaido Island, Japan, and the breeding nests of tits and mice were found in 34 and 11 boxes, respectively. The tits used the nest boxes throughout the breeding season, from May to July. In contrast, mice breeding nests were found in the last half of the breeding season, from July to October. Our...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Bird-mammal interaction; Breeding ecology; Competition; Reproduction strategy; Tree cavities.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100500

Immature stages of Spodoptera cosmioides (Lepidoptera: Noctuidae): developmental parameters and host plants
Provedor de dados: 103
Autores: Specht,Alexandre; Roque-Specht,Vânia F.
ABSTRACT The goal of this study was to detail the temporal and morphological parameters of the immature stages of Spodoptera cosmioides (Walker, 1858) and to gather information about their larval host plants. Larvae were reared on artificial diet and under controlled conditions (25 ± 1°C, 70 ± 10% RH and 14 hour photophase). The viability of eggs, larvae (pre-pupae period inclusive) and pupae were 98.97, 97.33, 97.95 and 94.76%, respectively. The average duration of egg, larval, pre-pupal and pupal stages was 3.82, 19.24, 3.20 and 14.81 days, respectively. A small proportion of females (9.48%) passed through seven instars, and female development was significantly slower than male development. The female larvae that developed through six and seven instars...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Armyworm; Artificial diet; Development; Life cycle; Soybean pod armyworm.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000400501

The influence of fire and livestock grazing on the assemblage of non-flying small mammals in grassland-Araucaria Forest ecotones, southern Brazil
Provedor de dados: 103
Autores: Pedó,Ezequiel; Freitas,Thales R. O. de; Hartz,Sandra M.
Grazing and fire, used in pasture regeneration practices, are inter-related activities in livestock management. Both activities affect habitat characteristics by changing the structure of the herbaceous and shrubby vegetation, reducing their biomass and litter cover. This study evaluated the effect of fire and livestock grazing on the assemblage of non-flying small mammals in grassland-Araucaria forest ecotones in southern Brazil. We compared four areas frequently affected by livestock management with four protected areas. Surveys were carried out in four sampling periods, one in each season of 2004. We captured a total of 325 individuals from 12 species of rodents - Akodon montensis Thomas, 1913, Akodon paranaensis Christoff, Fagundes, Sbalqueiro, Mattevi...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Campos; Didelphimorphia; Habitat loss; Rodentia.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000400005

Reproductive aspects of the Purple-throated Euphonia, Euphonia chlorotica (Aves: Fringillidae) in southeastern Brazil, and first record of the species nesting inside a vespiary
Provedor de dados: 103
Autores: Perrella,Daniel F.; Davanço,Paulo V.; Oliveira,Leonardo S.; Sousa,Livia M.S.; Francisco,Mercival R.
ABSTRACT Despite the fact that E. chlorotica (Linnaeus, 1766) is common and widely distributed in South America, the reproductive aspects of the species are poorly documented. Here we present data on 18 active nests found from August to February, between 2007 and 2012. Nests were globular with a lateral entrance, and measured 97.9 ± 14.4 mm in outside height, 110.6 ± 11.6 mm in outside diameter, and were 4.88 ± 2.09 m above ground. They were often supported from bellow and were composed mainly of tiny dry leafs and leaflets, fine petioles, and plumed seeds, all compacted with spider web silk. Eggs were laid on consecutive days or with one day interval, and clutch size varied from 1-3 eggs (2.1 ± 0.6, n = 9 nests). Only females incubated the eggs, but both...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Birds; Breeding biology; Nesting behavior; Euphoniinae; Wasps.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100321

Structure of the leaf litter frog community in an area of Atlantic Forest in southeastern Brazil
Provedor de dados: 103
Autores: Vagmaker,Natália; Pereira-Ribeiro,Juliane; Ferreguetti,Átilla Colombo; Boazi,Alex; Gama-Matos,Rayanne; Bergallo,Helena Godoy; Rocha,Carlos Frederico Duarte.
ABSTRACT Different spatial and temporal factors can influence the species richness and abundance of leaf anurans that are fundamental for the ecosystem functioning, as they act as predators and integrate the trophic chain as prey of other animals. There are relatively few studies that aimed to understand the spatio-temporal variation and the influence of environmental factors on leaf litter communities. We studied parameters of the anuran community living in the forest leaf litter in the Duas Bocas Biological Reserve (DBBR), Espírito Santo, Brazil. We sought to understand the extent to which richness, abundance, biomass and density varied between two locations with different stages of preservation (primary and secondary forest). In addition, we tested the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibians; Amphibian abundance; Environmental variables; Frog density; Tropical forest.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100316

Infestation of thornbird nests (Passeriformes: Furnariidae) by Psammolestes tertius (Hemiptera: Reduviidae) across Brazilian Cerrado and Caatinga ecoregions
Provedor de dados: 103
Autores: Gurgel-Gonçalves,Rodrigo; Cuba,César Augusto Cuba.
Psammolestes tertius Lent &amp;amp; Jurberg, 1965 is a sylvatic triatomine bug species that occurs in thornbird nests in Brazil. We studied infestation of 527 nests of Phacellodomus rufifrons Wied, 1821 and Phacellodomus ruber Vieillot, 1817 by P. tertius in eight Brazilian states across the Cerrado and Caatinga ecoregions. Psammolestes tertius occurred in 44% of the nests, mainly in those of P. ruber. Overall, 3,261 specimens (52% nymphs) were captured, with an average of 14 bugs per infested nest (range 1-75). While P. tertius occurrence and age structure (percentage of nymphs) were similar in Cerrado and Caatinga nests, infestation intensity (bugs/infested nest) was higher in the Cerrado. Last-stage nymphs and adults were predominant in P. tertius...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Triatominae; Rhodniini; Synallaxinae; Brazil.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300017

A new species of Arapona from Peru (Hemiptera: Cicadellidae: Iassinae: Gyponini)
Provedor de dados: 103
Autores: Domahovski,Alexandre Cruz; Cavichioli,Rodney Ramiro.
Arapona furcata sp. nov. is described and illustrated based on a male specimen from Peru, department of Madre de Dios. This species can be recognized by the following features: 1) styles without a concavity on the ventral margin; 2) aedeagus robust and with a pair of long and slender preatrial processes; and 3) aedeagus with two apical processes, each with a sharp and hook-like apex. A key to the three known species of the genus is added.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arapona devisa; Arapona vallea; Identification key; Neotropical region; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000300011

Conflicts between river dolphins (Cetacea: Odontoceti) and fisheries in the Central Amazon: a path toward tragedy?
Provedor de dados: 103
Autores: Alves,Luiz Cláudio Pinto de Sá; Zappes,Camilah Antunes; Andriolo,Artur.
Dolphin interactions with fishermen have increased significantly and pose potential risks to the boto, Inia geoffrensis (Blainville, 1817), and the tucuxi, Sotalia fluviatilis (Gervais &amp;amp; Deville, 1853). The main objective of the present paper was to describe the existing conflicts between river dolphins and fishermen in the municipality of Manacapuru region. Sixteen fishermen were interviewed in Manacapuru, state of Amazonas, Brazil who described a situation of ongoing conflict that may be unsustainable. Two merchants from Manacapuru made unconfirmed reports on a boto carcass trade. Data collection for this study occurred between April 20th and April 25th, 2009, but the first author had been conducting research on river dolphins and fisheries in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon river dolphins; Fisheries interactions; Piracatinga.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500005

Feeding behavior by hummingbirds (Aves: Trochilidae) in artificial food patches in an Atlantic Forest remnant in southeastern Brazil
Provedor de dados: 103
Autores: Lanna,Lucas L.; Azevedo,Cristiano S. de; Claudino,Ricardo M.; Oliveira,Reisla; Antonini,Yasmine.
ABSTRACT During flight, hummingbirds achieve the maximum aerobic metabolism rates within vertebrates. To meet such demands, these birds have to take in as much energy as possible, using strategies such as selecting the best food resources and adopting behaviors that allow the greatest energy gains. We tested whether hummingbirds choose sources that have higher sugar concentrations, and investigated their behaviors near and at food resources. The study was conducted at Atlantic forest remnant in Brazil, between June and December 2012. Four patches were provided with artificial feeders, containing sucrose solutions at concentrations of 5%, 15%, 25% and 35% weight/volume. Hummingbird behaviors were recorded using the ad libitum method with continuous...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Behavioral strategies; Dominance; Food resources; Subordination; Trapline.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100305

Re-characterization of the Red-lip Megalobulimus (Gastropoda: Strophocheilidae) from Peru with description of a new species
Provedor de dados: 103
Autores: Borda,Victor; Ramírez,Rina.
Megalobulimus K. Miller, 1878 is a genus of land snails that includes the largest living snails in the Neotropics. The main goal of this paper was to review all species of Megalobulimus that have a red lip, and which are distributed in Peru. We carried out a detailed description of their shells and soft parts, and conducted a multivariate analysis on their shells and geographic distribution. There are two species reported from Peru, Megalobulimus capillaceus (Pfeiffer, 1855) and Megalobulimus separabilis (Fulton, 1903). Megalobulimus capillaceus is known to occur in three regions - San Martín, Huánuco and Cusco - but the Cusco population is undoubtedly different from all remaining populations, and is recognized herein as a new species, Megalobulimus...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anatomy; Genitalia; Land snails; Pallial complex; Shell.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600013

Historical knowledge, richness and relative representativeness of the avifauna of the largest native urban rainforest in the world
Provedor de dados: 103
Autores: Tonetti,Vinicius R.; Rego,Marco A.; Luca,André C. De; Develey,Pedro F.; Schunck,Fábio; Silveira,Luís F.
ABSTRACT Stretching for more than 10,000 ha in the Metropolitan Area of São Paulo, southeastern Brazil, Serra da Cantareira comprises the largest native urban rainforest in the World, harboring a rich and diverse Atlantic Forest avifauna. Despite its closeness to major urban areas, few bird surveys have been conducted there. In this article we present an updated compilation of all bird species recorded for Serra da Cantareira, including personal records from the authors. A total of 326 species have been recorded for Serra da Cantareira since 1901; of these, nine have not been sighted there for the last two decades. The number of bird species endemic to the Atlantic Forest is high (80), and seven of its species are globally threatened. According to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Bird conservation; Hierarchical cluster analysis; Principal coordinate analysis; Serra da Cantareira.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100309

A neotype designation for the Ascension Frigatebird Fregata aquila (Aves: Fregatidae)
Provedor de dados: 103
Autores: Carlos,Caio J.; Voisin,Jean-François; Grouw,Hein van; Moreno,Ignacio B.
ABSTRACT A neotype is designated for Pelecanus aquilus Linnaeus, 1758 (currently Fregata aquila ; Aves, Fregatidae) to fix the identity of this nominal species.
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Ornithology; Seabird; Suliformes; Taxonomy; Zoological nomenclature.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000604003

A new species of Cellaria (Bryozoa: Cheilostomata) from northeastern Brazil, with a tabular identification key to the Atlantic species
Provedor de dados: 103
Autores: Almeida,Ana C.S.; Souza,Facelúcia B.C.; Vieira,Leandro M.
ABSTRACT A new species of the erect cheilostome bryozoan Cellaria Ellis &amp; Solander, 1786 is described from Bahia, NE Brazil. Cellaria oraneae sp. nov. is the first formally characterized species of the genus reported from Northeastern coast of Brazil, distinguished from all congeners by the combination of hexagonal autozooids and rhomboid fertile zooids, hexagonal interzooidal avicularium with sagittate foramen, completely immersed ovicell with oval aperture and proximal rectangular lip. A brief discussion of the diversity of Cellaria from the Atlantic Ocean and a tabular identification key to these species are also provided.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bryozoan; Cellariidae; Taxonomy; Western Atlantic.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100310

Assessing the efficacy of hair snares as a method for noninvasive sampling of Neotropical felids
Provedor de dados: 103
Autores: Portella,Tatiana P.; Bilski,Diego R.; Passos,Fernando C.; Pie,Marcio R.
Hair snares have been used in North and Central America for a long time in assessment and monitoring studies of several mammalian species. This method can provide a cheap, suitable, and efficient way to monitor mammals because it combines characteristics that are not present in most alternative techniques. However, despite their usefulness, hair snares are rarely used in other parts of the world. The aim of our study was to evaluate the effectiveness of hair snares and three scent lures (cinnamon, catnip, and vanilla) in the detection of felids in one of the largest remnants of the Brazilian Atlantic Forest. We performed tests with six captive felid species - Panthera onca (Linnaeus, 1758), Leopardus pardalis (Linnaeus, 1758), L. tigrinus (Schreber, 1775),...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Forest; Detection technique; Hair; Scent lure; Rubbing behavior.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000100006

Species of Lensia (Cnidaria: Hydrozoa: Siphonophorae) from southeastern Brazilian waters
Provedor de dados: 103
Autores: Nishiyama,Eric Y.; Araujo,Enilma M.; Oliveira,Otto M.P.
ABSTRACT The siphonophores of the Brazilian coast are poorly studied, despite their abundance and ecological importance. Lensia is the most diverse genus within Siphonophora, with twenty-six valid species. A total of twenty species of Lensia are recorded for South American marine waters. This study presents morphological descriptions and an identification key to the species of Lensia that were collected in two oceanographic campaigns throughout the southeastern Brazilian coast. A total of sixty-one specimens were photographed, described, schematized and measured, and fifteen species of Lensia were identified.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diphyidae; Nectophores; Siphonophores; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000603002

New species and records of Neotrichia (Trichoptera: Hydroptilidae) from Central Amazonia, Brazil
Provedor de dados: 103
Autores: Santos,Allan P. M.; Nessimian,Jorge L.
Twelve new species of Neotrichia Morton, 1905 from state of Amazonas, Brazil are described and illustrated: N. gilmari sp. nov., N. djalmasantosi sp. nov., N. bellinii sp. nov., N. orlandoi sp. nov., N. niltonsantosi sp. nov., N. zitoi sp. nov., N. didii sp. nov., N. vavai sp. nov., N. garrinchai sp. nov., N. zagalloi sp. nov., N. pelei sp. nov., and N. feolai sp. nov. Neotrichia gilmari sp. nov. can be recognized by elongate and bifid processes on posterodorsal margin of segment IX; Neotrichia djalmasantosi sp. nov. is distinguished from N. colmillosa Harris, 1990 by the posteromesal margin of the segment IX produced into two long lobes in lateral view; N. bellinii sp. nov. differs from N. yanomonoa Harris &amp;amp; Davenport, 1992 by subgenital plate...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazonas; Microcaddisflies; Neotrichiini; Taxonomy.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400022

Advertisement and release calls of Phyllomedusa ayeaye (Anura: Hylidae) with comments on the social context of emission
Provedor de dados: 103
Autores: Nali,Renato C.; Borges,Marília M.; Prado,Cynthia P.A.
ABSTRACT Male calls play different roles in anuran social organization, such as spacing, territoriality and female attraction. However, calls and associated behaviors remain poorly described for many anuran species. Here we describe the advertisement and release calls of the tree frog Phyllomedusa ayeaye (Lutz, 1966) and report on the social context of emissions and a physical combat. Approximately 35 minutes of digital recordings were obtained from 34 hours of observations at one breeding site in the state of Minas Gerais, southeastern Brazil. Bioacoustic analysis showed that males emitted two types of advertisement calls: 1) simple call (a sequence of short pulsed notes) and 2) composite call (a sequence of short pulsed notes followed by a long pulsed...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aggressive behavior; Bioacoustics; Cerrado; Composite call; Phyllomedusinae.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000400263

New species of Nothobrya (Collembola: Entomobryidae) from Southeast Brazil
Provedor de dados: 103
Autores: Silveira,Tatiana Cristina da; Mendonça,Maria Cleide de.
ABSTRACT The collembolan family Entomobryidae, one of the most numerous, diverse and widely distributed, was recently reviewed in a work that integrated molecular and morphological characters. The new classification includes seven subfamilies, one of which, Nothobryinae, is characterized by the presence of PAO, falcate mucro and a few chaetae on the trochanteral organ. This subfamily is composed of only three genera: Capbrya Barra, 1999 from South Africa, Hispanobrya Jordana &amp; Baquero, 2005 from Spain and Nothobrya Arlé, 1961 from Brazil. Nothobrya (type species N. schubarti , described from the state of Pernambuco) remained monospecific for about half a century, when samples taken from urban areas of Rio de Janeiro city revealed its first record for...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiversity; Nothobryinae; Restinga; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000603009

A new species of Ischnura (Odonata: Coenagrionidae) from high altitude eastern Andes, of Colombia
Provedor de dados: 103
Autores: Machado,Angelo B. M.
Ischnura mahechai sp. nov. is described and illustrated based on specimens collected at the Eastern Andean mountain range of Colômbia. The species is close to Ischnura cruzi De Marmels, 1987 but differs from it by the structure of male anal appendages and female hind prothoracic lobe. The specimens were collected on a small Andine lake at 3,600 m, the 4th altitudinal record for a resident odonate.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Andes; Altitudinal record; Damselflies.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000600011

Biogeography on the early distribution of cuckoos (Aves: Cuculiformes)
Provedor de dados: 103
Autores: Posso,Sérgio R.; Donatelli,Reginaldo J.
Cuckoos are widely distributed, but are concentrated in the tropics, where they occupy a wide range of habitats. Both terrestrial and arboreal behaviors can be found in this group, but there is no consensus on as to whether these behaviors have arisen more than once. Moreover, the historical distribution of cuckoos is poorly understood. This paper presents a biogeographyc analysis of the early history of the distribution of these birds. The analysis was performed by using the Principle of Parsimony based on primary and secondary "Brooks Parsimony Analysis" (BPA). Despite some exceptions, the primary BPA corroborated events of vicariance (general pattern) in the early distribution of cuckoos and a terrestrial ancestor widespread in the Gondwana. The most...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Parsimony analysis; BPA; Cuculidae; Evolution.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000300001

Evolution of erythrocyte morphology in amphibians (Amphibia: Anura)
Provedor de dados: 103
Autores: Wei,Jie; Li,Yan-Yan; Wei,Li; Ding,Guo-Hua; Fan,Xiao-Li; Lin,Zhi-Hua.
ABSTRACT We compared the morphology of the erythrocytes of five anurans, two toad species - Bufo gargarizans (Cantor, 1842) and Duttaphrynus melanostictus (Schneider, 1799) and three frog species - Fejervarya limnocharis (Gravenhorst, 1829), Microhyla ornata (Duméril &amp; Bibron, 1841), and Rana zhenhaiensis (Ye, Fei &amp; Matsui, 1995). We then reconstructed the ancestral state of erythrocyte size (ES) and nuclear size (NS) in amphibians based on a molecular tree. Nine morphological traits of erythrocytes were all significantly different among the five species. The results of principal component analysis showed that the first component (49.1% of variance explained) had a high positive loading for erythrocyte length, nuclear length, NS and ratio of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibia; Ancestral state reconstruction; Erythrocyte size; Morphological comparison; Nucleus size.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500360

Geographic variation in hairy dwarf porcupines of Coendou from eastern Brazil (Mammalia: Erethizontidae)
Provedor de dados: 103
Autores: Caldara Junior,Vilacio; Leite,Yuri L. R.
We evaluated geographic variation in New World porcupines of Coendou (Erethizontidae) from eastern Brazil by analyzing morphological data from museum specimens we identified as Coendou insidiosus and C. spinosus. Coendou insidiosus ranges from the states of Bahia to Espírito Santo, reaching the state of Minas Gerais in Brazil; C. spinosus extends from the states of Minas Gerais and Espírito Santo to the state of Rio Grande do Sul, in Brazil, extending into Paraguay, Uruguay, and northeastern Argentina. Our results indicate that there are three spatially coherent, morphologically distinct groups, which can be diagnosed using a combination of discrete morphological characters, and which are supported by univariate and multivariate statistical analyses. We...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic Rainforest; Biogeography; Morphological variation; Sphiggurus; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000400005

Morphological diagnosis and geographic distribution of Atlantic Forest red-rumped mice of the genus Juliomys (Rodentia: Sigmodontinae)
Provedor de dados: 103
Autores: Pavan,Silvia E; Leite,Yuri L. R.
Recognition and identification of red-rumped mice of the genus Juliomys González, 2000 has been a problem among many mammalogists, and specimens of this genus are commonly confused with other Atlantic Forest sigmodontine rodents. Herein we provide an expanded diagnosis for the genus based on the analyses of the three living species of Juliomys, and provide morphological comparisons to the small bodied and bright colored rodents Rhagomys rufescens (Thomas, 1886) and Oligoryzomys flavescens (Waterhouse, 1837), which occur in sympatry with Juliomys spp. in forested areas of southeastern Brazil. These taxa are superficially similar, and are therefore commonly misidentified in the field and museum collections. We also provide morphometric data and a key to the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Emended diagnosis; Juliomys pictipes; Juliomys rimofrons; Juliomys ossitenuis; Identification key; Taxonomy.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500015

Larvae of Lutrochus germari (Lutrochidae: Coleoptera) and Stegoelmis sp. (Elmidae: Coleoptera): bore submerged woody debris in Neotropical streams
Provedor de dados: 103
Autores: Valente-Neto,Francisco; Fonseca-Gessner,Alaíde Aparecida.
We report boring activity of larval Lutrochus germari Grouvelle, 1889 and Stegoelmis sp. in submerged woody debris and describe the resulting grooves and faecal pellet production. This ability of the larvae was shown by three types of evidence: 1) examination of collected woody debris, 2) rearing of larvae and 3) gut content analysis. The larvae excavated galleries deep into the submerged woody debris. This is the first record of gallery-forming behaviour in submerged woody debris by aquatic beetles, adding larval Lutrochus germari and Stegoelmis sp. to the list of borers in Neotropical aquatic systems.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Faecal pellets; Galleries; Grooves; Mining; Xylophages.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500018

The agricultural impact of pesticides on Physalaemus cuvieri tadpoles (Amphibia: Anura) ascertained by comet assay
Provedor de dados: 103
Autores: Gonçalves,Macks W.; Gambale,Priscilla G.; Godoy,Fernanda R.; Alves,Alessandro Arruda; Rezende,Pedro H. de Almeida; Cruz,Aparecido D. da; Maciel,Natan M.; Nomura,Fausto; Bastos,Rogério P.; Marco-Jr,Paulo de; Silva,Daniela de M.
ABSTRACT Amphibians inhabiting agricultural areas are constantly exposed to large amounts of chemicals, which reach the aquatic environment during the rainy season through runoff, drainage, and leaching. We performed a comet assay on the erythrocytes of tadpoles found in the surroundings of agricultural fields (soybean and corn crops), where there is an intense release of several kinds of pesticides in different quantities. We aimed to detect differences in the genotoxic parameters between populations collected from soybeans and cornfields, and between them and tadpoles sampled from non-agricultural areas (control group). Tadpoles collected from ponds located at soybean fields had significantly more DNA damage, followed by tadpoles collected from...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibians; Bioindicators; Exposure; Genotoxicity; Pesticides.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100316

Reproductive cycle of Branchiura sowerbyi (Oligochaeta: Naididae: Tubificinae) cultivated under laboratory conditions
Provedor de dados: 103
Autores: Lobo,Haroldo; Alves,Roberto da Gama.
The biology of Branchiura sowerbyi Beddard, 1892 has been the focus of many studies in temperate regions, where the species is exotic, according to literature data. Due to its high productivity and easy cultivation, B. sowerbyi is of great interest as a food source for fish farming. The present study reports information on the reproductive biology and growth of B. sowerbyi under laboratory conditions at 25 ± 1ºC. Weekly observations during 52 weeks indicated that the time between cocoon laying and young hatching was 14 to 16 days, the specific daily growth rate was 0.91 ± 0.04% (mean ± SD) and the time to reach sexual maturity was 40.83 ± 6.88 days. As reported by other authors, the hatching rate observed was low (33.08%), but the survival rate of young...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cocoons; Fish food; Growth rate; Oligochaete; Tubificid.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400003

The adductor pectoral fin muscle of Micropogonias furnieri (Perciformes: Sciaenidae): a morphological and histochemical study
Provedor de dados: 103
Autores: Hernández,María Sol; Longo,María Victoria; Devincenti,Clelia Viviana; Díaz,Alcira Ofelia.
ABSTRACT The adductor pectoral fin muscle in post-spawning females of the white croaker Micropogonias furnieri (Desmarest, 1823) is described from a morphological, histochemical and morphometric perspectives. A description of the morphological characteristics was conducted after dissections in different layers, down to the deep layer. Five muscles were found: superficial, medial, radial and deep adductors, and dorsal arrector. Their fibers were studied after applying histochemical techniques: succinic dehydrogenase (SDH) to reveal mitochondria, periodic acid-Schiff (PAS) for glycogen, Sudan black for lipids, myosin adenosinetriphosphatase (mATPase) to reveal the types of fibers, and modified mATPase to evidence the capillaries. Fiber diameters were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fin musculature; Histochemistry; Morphology; Morphometry; White croaker.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000600902

Dragonflies (Insecta: Odonata) from Mananciais da Serra, a Tropical-Araucaria Forest ecotonal remnant in the southern Atlantic Forest, state of Paraná, Brazil
Provedor de dados: 103
Autores: Araujo,Breno Rodrigo; Pinto,Ângelo Parise.
ABSTRACT This study provides a comprehensive checklist of Odonata species from the protected area of Mananciais da Serra. The survey was conducted in the endangered Atlantic Forest domain at the southern Serra do Mar mountain chain within a well-preserved area in the municipality of Piraquara, state of Paraná, Brazil. Adults and larvae were sampled between June 2017 and March 2020 using different techniques in numerous mesohabitats, including phytotelmata, pools, small streams, and large reservoirs. A total of 1,708 specimens from 9 families, 43 genera and 84 species were sampled resulting in 53 new records for the state of Paraná, almost doubling the known occurrence records for dragonflies and damselflies in that state. Furthermore, two hitherto...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anisoptera; Conservation; Damselfly; Inventory; Systematics; Zygoptera.
Ano: 2021
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702021000100302

The effects of forest structure on occurrence and abundance of three owl species (Aves: Strigidae) in the Central Amazon forest
Provedor de dados: 103
Autores: Barros,Obed G.; Cintra,Renato.
We investigated how forest structure affects the occurrence and abundance of three owl species: the crested owl Lophostrix cristata Daudin, 1800, the Amazon pygmy owl Glaucidium hardyi Vielliard, 1990, and the tawny-bellied screech owl Megascops watsonii Cassin, 1849. We surveyed the owls mostly between 07:00 and 11:00 pm from July 2001 to April 2002, in eighteen 8 km transects along trails at the Ducke Reserve, Manaus, Central Amazon, Brazil. We staked out 50 x 50 m plots where the presence and absence of the owls were recorded. We compared some components of the forest structure between plots where owls were present and plots where they were absent. The spatial variation in these components were related to the occurrence and abundance of the owls using...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Forest heterogeneity; Glaucidium; Lophostrix; Megascops; Nocturnal birds.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100014

Species of fruit flies (Diptera: Tephritidae): in a transect of the Amazonian Rainforest in Oiapoque, Amapá, Brazil
Provedor de dados: 103
Autores: Trindade,Rose B. Rodrigues; Uchôa,Manoel A.
Species of fruit flies (Tephritidae) were surveyed in a transect of the Amazonian Rainforest in the district of Clevelândia do Norte, municipality of Oiapoque, state of Amapá, Brazil. This study describes the diversity of fruit fly species sampled inside this transect (2.2 linear km). Eleven McPhail traps were serviced weekly from June 2002 to June 2003. A total of 55 samples were obtained, totaling 125 specimens of Tephritidae. Anastrepha Schiner, 1868 was the most abundant and diverse genus, with 18 species caught. Two new species, A. oiapoquensis Norrbom &amp;amp; Uchôa, 2011 and A. siculigera Norrbom &amp;amp; Uchôa, 2011, were discovered in this survey. Anastrepha coronilli Carrejo &amp;amp; González, 1993 (n = 40) was the most abundant species. Six...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anastrepha; Diversity; McPhail traps; Northern Brazil.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500013

A new species of Sulcana (Hemiptera: Cicadellidae: Gyponini) from the Brazilian Atlantic Forest
Provedor de dados: 103
Autores: Domahovski,Alexandre Cruz; Cavichioli,Rodney Ramiro.
ABSTRACT Sulcana cunicula sp. nov. is described and illustrated based on four specimens from municipality of São José dos Pinhais, state of Paraná, Brazil. This species can be distinguished from others in the genus by the following characters: (1) head produced, slightly shorter than median length of pronotum; (2) aedeagus bearing a pair of acute ventral processes at mid-length of shaft and extended dorsally. A new record to Sulcana brevis DeLong &amp; Freytag and a key to the three species of the genus are also presented.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Iassinae; Key; Leafhoppers; New record; Taxonomy.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500423

Cerambycidae (Coleoptera) from state of Maranhão, Brazil. IV: new genus, new species, new synonym, new records
Provedor de dados: 103
Autores: Martins,Ubirajara R.; Santos-Silva,Antonio; Galileo,Maria Helena M.; Oliveira,Francisco L. De.
Five new species and one new genus of Cerambycidae are described from Maranhão: Mirador ayrii gen. nov., sp. nov.; Stizocera ignea sp. nov.; Engyum vicinum sp. nov.; Thoracibidion rubripenne sp. nov.; Polyrhaphis ju sp. nov. Sphagoeme Aurivillius, 1893 is proposed as a new synonym of Limernaea Thomson, 1878, and Sphagoeme nigrotibialis Martins, 1973 is proposed as a new synonym of Limernaea picta Thomson, 1878. A total of 102 known species are recorded for the state of Maranhão for the first time: two Prioninae, 69 Cerambycinae and 31 Lamiinae. Six species are reported for the first time from Brazil. With these new records, and the five new species described, the total number of species recorded from the state of Maranhão increased from 367 to 474.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cerambycidae fauna; Neotropical; New taxa; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000600007

Redescription of Temnocephala iheringi (Platyhelminthes: Temnocephalida) based on specimens from Pomacea canaliculata (Mollusca: Ampullariidae) of the state of Rio Grande do Sul, Brazil: the possible type host and type locality
Provedor de dados: 103
Autores: Seixas,Samantha A.; Amato,José F. R.; Amato,Suzana B.
The original description of Temnocephala iheringi Haswell, 1893 was based on specimens collected by Hermann von Ihering from undetermined ampullariid apple snails, which at that time were identified as Ampullaria sp., and sent to William H. Haswell, with the type locality simply indicated as Brazil. The type specimens studied by Haswell were not found in the scientific collections of Brazil, Europe or Australia, and should be considered lost. In 1941, Pereira &amp;amp; Cuocolo collected specimens from apple snails, identified as Pomacea lineata (Spix in Wagner, 1827), at two localities (Guaicurús and Salobra) in the state of Mato Grosso do Sul, central Brazil. These specimens could not be located either and should, thus, be considered lost as well. Pomacea...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ectocommensals; Mollusks; Neotropical Region; South America; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200012

Single nucleotide polymorphisms from cytochrome b gene as a useful protocol in forensic genetics against the illegal hunting of manatees: Trichechus manatus, Trichechus inunguis, Trichechus senegalensis, and Dugong dugon (Eutheria: Sirenia)
Provedor de dados: 103
Autores: Ferreira,Paula Braga; Torres,Rodrigo A; Garcia,José Eduardo.
The identification of mitochondrial DNA polymorphisms is one of the most efficient methods for species differentiation. Genotyping of molecular markers using PCR/RFLP is a reliable, sensitive and inexpensive method for the detection of species specific mutations. The major causes of decline in Sirenia populations are accidental and intentional catches, collisions with boats and habitat loss. The goal of the present study was to identify, in silico, nucleotide mutations in the cytochrome b gene that can be used for the future development of forensic tools capable of using small tissue fragments to discriminate manatee meat from domesticated species meat commonly used as food sources (bovine, ovine, caprine and swine). DNA sequence alignments revealed two...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Bushmeat; Forensic markers; Overhunting; SNPs.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100019

Explaining dissimilarities in macroinvertebrate assemblages among stream sites using environmental variables
Provedor de dados: 103
Autores: Melo,Adriano S.
The relationship between community structure and environmental factors usually varies according to ecosystem type, group of organisms, and spatial scale. In this study I assessed whether dissimilarities among assemblages of stream macroinvertebrates are related to differences in environmental variables. Data consisted of macroinvertebrate samples of 10 stream sites during the dry season. Seven environmental variables were assessed. The relationship among dissimilarities in assemblage structure and dissimilarities in environmental variables was assessed using the BioEnv approach. Conductivity and measures related to stream size were the most important variables. However, part of the correlation with conductivity was due to the high value observed in a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aquatic insects; BioEnv; Brazil; Community structure; Neotropical Region.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100013

Ecological parameters of the endohelminths in relation to size and sex of Prochilodus argenteus (Actinopterygii: Prochilodontidae) from the Upper São Francisco River, Minas Gerais, Brazil
Provedor de dados: 103
Autores: Monteiro,Cassandra M.; Santos,Michelle D.; Zuchi,Nágila A.; Brasil-Sato,Marilia C.
This research aimed to investigate the ecological indexes of the helminths of the digestive system and coelom of Prochilodus argenteus Spix &amp;amp; Agassiz, 1829. A total of 150 specimens (53 males and 97 females) taken from the upper reaches of the São Francisco River in the municipality of Três Marias (18º12'32"S, 45º15'41"W), State of Minas Gerais, Brazil, were examined. The specimens were collected in July, 2003 and January, 2004. Ninety-eight fish (65.3%) were infected by at least one species of helminth. Five helminth species were found: one digenean, Saccocoelioides nanii Szidat, 1954; two Eucestoda, Valipora sp., and one undetermined metacestode; one nematode, Spinitectus asperus Travassos, Artigas &amp;amp; Pereira, 1928; and one...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Helminths; Neoechinorhynchus; Saccocoelioides; Spinitectus; Valipora.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400021

Redescription of immature stages and adults of Nilio (Nilio ) brunneus (Coleoptera: Tenebrionidae: Nilioninae)
Provedor de dados: 103
Autores: Aloquio,Sergio; Lopes-Andrade,Cristiano.
ABSTRACT We described immature stages of Nilio (Nilio ) brunneus Thomson, 1860 and provide a supplementary description for adults, including new data on the anatomy of the female and male terminalia. We observed N. brunneus feeding on the lichen Parmotrema sp., and that immature and adult are gregarious, with sessile pupae and generations overlapping. In laboratory, eggs hatched in 14 days and adults emerged after seven days in the pupal stage, the adults survived only a few days.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Host fungus; Larva; Lichen; Morphology; Pupa.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000203003

Differences between caves with and without bats in a Brazilian karst habitat
Provedor de dados: 103
Autores: Torquetti,Camila G.; Silva,Marcos Xavier; Talamoni,Sônia A.
ABSTRACT. Since bats shelter in roosts during their period of diurnal inactivity, the quality and availability of roosts are important aspects of their ecology. Karst areas have great potential for the availability of day roosts, since they form caves, which serve as bat shelters. Here we characterize the caves used by bats in a preserved karst area of Southeastern Brazil. Using logistic regression analysis we identified the cave characteristics that influence bat occupation. Sixty-six caves were characterized based on measurements of internal height and width, height and width of the entrance(s) of the cave, number of entrances, maximum horizontal development of cave, and internal temperature and humidity. In nineteen months we found 14 species in 32...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Day roost; Desmodus; Glossophaga; Lagoa Santa Karst; Maternity roost.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100313

Socio-economic and spatial determinants of anthropogenic predation on Yellow-spotted River Turtle, Podocnemis unifilis (Testudines: Pelomedusidae), nests in the Brazilian Amazon: Implications for sustainable conservation and management
Provedor de dados: 103
Autores: Norris,Darren; Michalski,Fernanda.
Human expansion has drastically affected wildlife species across Amazonian waterways and the continued increase in rural populations across Amazonia is likely to increase pressure on widely exploited chelonian species. The lack of information evaluating determinants of human consumption patterns limits the effective implementation of conservation strategies. Our objective was to determine the relative importance of social, economic, and spatial variables on human exploitation of Podocnemis unifilis Troschel, 1848 around a sustainable-use protected area in the eastern Brazilian Amazon. We conducted interviews with 51 riverine residents to evaluate attitudes towards and exploitation of P. unifilis. We used multimodel inference to evaluate 12 working...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Egg consumption; Human impact; Management programmes; Nest predation; Turtle conservation.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000500003

Notes on Kaszabjbaloghia with the description of a new species from Ecuador (Acari: Mesostigmata: Uropodidae)
Provedor de dados: 103
Autores: Kontschán,Jenõ.
Kaszabjbaloghia Hirschmann, 1973, distributed in South-America, is characterized by the following combination of characters: reduced marginal shield, posteromarginal setae placed on membranous cuticle on the dorsal idiosoma, linguliform genital shield in females, oval or egg-like genital shield bearing one pair needle-like setae in males, and the characteristic shape of peritremes. In this contribution, I provide short redescriptions of the known species of Kaszabjbaloghia and describe a new species, K. ecuadorica sp. nov., from Ecuador. The new species is similar to K. kaszabi Hirschmann, 1973, but differs from the latter in the ornamentation of genital shield of the female and the number of sternal cavities. Additionally, we transfer K. hirschmanni...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acarology; Taxonomy; Uropodina.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100021

The effects of rainfall and arthropod abundance on breeding season of insectivorous birds, in a semi-arid neotropical environment
Provedor de dados: 103
Autores: França,Leonardo Fernandes; Figueiredo-Paixão,Victória Helen; Duarte-Silva,Thales Afonso; Santos,Kamila Barbosa dos.
ABSTRACT Rainfall in tropical semi-arid areas may act as a reliable cue for timing bird reproduction, since it precedes future food supply. With this in mind, we set-up a study to test the reproductive response of insectivorous bird to arthropod abundance and rainfall patterns. Sampling occurred in a seasonally dry Neotropical forest, in north-eastern Brazil, between October, 2015 and October 2016, at 14-day intervals. We used brood patch to assess reproductive periodicity of insectivorous birds (eight species, 475 captures, 121 patch records). We sampled arthropods to quantify abundance, using biomass and number of individuals (1755 individuals, 15 Orders). Rainfall temporal distribution was analyzed using daily precipitation data. We used a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brood patch; Caatinga; Food-mediated process; Insect; Reproduction.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100312

The role of protein in the sexual behaviour of males of Ceratitis capitata (Diptera: Tephritidae): mating success, copula duration and number of copulations
Provedor de dados: 103
Autores: Joachim-Bravo,Iara Sordi; Anjos,Cyntia Santiago; Costa,Anne Moreira.
In this paper, we investigated the influence of protein ingestion during the early adult phase on the sexual behavior of males of Ceratitis capitata (Wiedemann, 1824). The following parameters were evaluated: mating success (ability to be chosen by females), number of copulations, and copula duration. Experiments were carried out using a fifteen-year old laboratory lineage with the occasional introduction of wild flies. Two groups of adult males fed a high-protein diet during their larval phase were given either a high-protein diet (based on Brewer's yeast, concentration = 6.5 g/100 ml) or a no-protein diet. Both groups of males were exposed to females fed either a high-protein diet or a no-protein diet and were subsequently evaluated for the parameters...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fruit flies; Insects; Nutrition; Sexual selection.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000300004

Nursery performance of the pink shrimp Farfantepenaeus paulensis (Crustacea: Decapoda: Penaeidae) postlarvae in different salinities
Provedor de dados: 103
Autores: Costa,Rafael F.; Yasumaru,Fanny A.; Lemos,Daniel.
Nursery performance, development, and RNA:DNA ratio were investigated in Farfantepenaeus paulensis (Pérez-Farfante, 1967) postlarvae acclimated from a salinity of 30‰ to higher (35‰) or lower (16, 22 and 29‰) salinities and reared for 20 days. Overall, higher final weight, yield and growth rate were observed at a salinity of 29‰. RNA:DNA ratio indicated reduced growth potential at a salinity of 35‰. Low salinities resulted in more developed individuals. Thus, early postlarval F. paulensis should not be stocked in salinities higher than that of the original hatchery, otherwise in lower salinities postlarvae should be older and/or have an extended nursery phase. Results may assist in the development of nursery rearing protocols for F. paulensis, an...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aquaculture; Crustacean; Development; Growth.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300001

Latitudinal disparity in the reproductive cycle of sharpnose shark, Rhizoprionodon lalandii (Elasmobranchii: Carcharhinidae), in Atlantic waters off South America
Provedor de dados: 103
Autores: Macedo,Morgana M.; Sousa,Marcia F.; Batista,Vandick S.
Geographical variation in biophysical conditions may strongly influence the life history characteristics of widely distributed species, such as the Brazilian sharpnose shark, Rhizoprionodon lalandii (Müller &amp;amp; Henle, 1839). Here, we use original and secondary data of reproductive traits of R. lalandii to identify population differences among northern/northeastern and southern Atlantic waters of South America. In the southeast region, birth occurs between December and March, and the young become frequent along the coast between April and September. Mating occurs mainly between March and June, when females with bite marks are common. Females in early pregnancy occur between March and September. The reproductive cycle of R. lalandii in the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coastal waters; Life history; Reproductive traits; Northeastern Brazil.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500004

Eudistoma (Ascidiacea: Polycitoridae) from tropical Brazil
Provedor de dados: 103
Autores: Oliveira,Livia de Moura; Gamba,Gustavo Antunes; Rocha,Rosana Moreira da.
We studied material in collections from coastal intertidal and subtidal tropical waters of the Brazilian states of Paraíba, Pernambuco, Alagoas, Bahia, and Espírito Santo. We identified seven species of Eudistoma, of which two are new to science. Eudistoma alvearium sp. nov: colonies have fecal pellets around each zooid and zooids are 6-8 mm long with seven straight and parallel pyloric tubules; the larval trunk is 0.6 mm long with three adhesive papillae and ten ampullae. Eudistoma versicolor sp. nov: colonies are cushion-shaped, variable in color (blue, purple, brown, light green, gray or white) and zooids have six straight and parallel pyloric tubules; the larval trunk is 0.8 mm long with three adhesive papillae and six ampules. Three species - E....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic; Colonial ascidians; New species; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000200011

Digestive and regenerative cells in the midgut of haploid and diploid males of the stingless bee Melipona quadrifasciata anthidioides (Hymenoptera: Apidae)
Provedor de dados: 103
Autores: Fernandes,Kenner M.; Martins,Gustavo F.; Serrão,José E.; Neves,Clóvis A.
In eusocial bees, workers and queens are diploid (2n), whereas males are haploid (n). However, in some species, including the stingless bee Melipona quadrifasciata anthidioides Lepeletier, 1836, 2n males arise from fertilized eggs resulting from the crossing between a queen and her brother. In the present study, we provide a comparative analysis of the digestive and regenerative cells in n and 2n pupae and adult males of M. quadrifasciata anthidioides. In n and 2n pupae and adult males, the number of regenerative cells/nest was similar. In n and 2n pupae, the mean number of digestive cells/midgut area was 2076 ± 0.60, whereas in adults it was 1234 ± 1.42 digestive cells/midgut area. The nuclear area of the digestive cells was also similar in both n and 2n...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Digestive system; Drones; Eusocial insect; Morphology.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000500015

Taxonomic review of Metaxia (Gastropoda: Triphoridae) from Brazil, with description of a new species
Provedor de dados: 103
Autores: Fernandes,Maurício Romulo; Pimenta,Alexandre Dias.
The taxonomy of the species of Metaxia Monterosato, 1884 from Brazil is revised. Previously to this study, only Metaxia excelsa Faber &amp;amp; Moolenbeek, 1991 was known to occur in this country, under its older name Metaxia exilis (C.B. Adams, 1850). The review of a large amount of shells in malacological collections in Brazil revealed the occurrence of three known additional species: Metaxia taeniolata (Dall, 1889); Metaxia rugulosa (C.B. Adams, 1850); Metaxia prompta Rolán &amp;amp; Fernández-Garcés, 2008, all previously reported from the southeast coast of the USA and/or the Caribbean region. Metaxia gongyloskymnus sp. nov., diagnosed by the globose protoconch with continuous axial ribs and microscopic spiral sculpture, is restricted to localities off...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Marine mollusks; Metaxiinae; Mollusca; Triphoroidea; West Atlantic.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600016

Histological and immunohistochemical study of the ovaries and oviducts of the juvenile female of Caiman latirostris (Crocodilia: Alligatoridae)
Provedor de dados: 103
Autores: Machado-Santos,Clarice; Santana,Lailah N. de S.; Vargas,Rosilene F.; Abidu-Figueiredo,Marcelo; Brito-Gitirana,Lycia de; Chagas,Maurício A.
ABSTRACT The purpose of this study was to examine the ovaries and the oviduct of juvenile females of the broad-snouted caiman, Caiman latirostris (Daudin, 1802), using light microscopy, histochemical and immunocytochemical techniques. The ovarian cortex was observed to contain groups of germinative cells and abundant previtellogenic follicles at different stages of development. In previtellogenic follicles, the oocyte was surrounded by a single cuboidal layer of granulosa cells, supported by the theca layer. The theca was formed by a concentric layer containing collage nous fibers, predominantly type I, and several smooth muscle fibers. The inner perivitelline layer appeared as a narrow basophilic region between the oocyte and the granulosa. The ovarian...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Female reproductive system; Morphology; Reptiles.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000500395

Composition of gastrointestinal content, protease and lipase activities in summer and winter of four freshwater siluriforms (Teleostei: Actinopterygii) with two different feeding habits
Provedor de dados: 103
Autores: Almeida,Ana Paula Gottlieb; Zardo,Everton Luis; Toni,Candida; Behr,Everton Rodolfo; Silva,Leila Picolli da; Vieira,João Paes; Loro,Vania Lúcia; Baldisserotto,Bernardo.
ABSTRACT The aim of this study was to determine the composition of gastrointestinal content and protease and lipase activities in summer and winter as well as to evaluate the relationship between digestive enzyme activity and centesimal composition of gastrointestinal content and feeding habits of two omnivorous species, Rhamdia quelen (Quoy &amp; Gaimard, 1824) and Pimelodus maculatus (LaCèpede, 1803), and of two detritivorous species, Loricariichthys anus (Valenciennes, 1835) and Hypostomus commersoni (Valenciennes, 1836). The activities of pepsin, trypsin, chymotrypsin, and lipase, and the levels of proteins and lipids in the gastrointestinal tract, were evaluated. The enzyme activities were not related to the centesimal composition of gastrointestinal...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chymotrypsin; Fish; Lipase; Pepsin; Trypsin.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100322

Postlarval development of Nicolea uspiana (Polychaeta: Terebellidae)
Provedor de dados: 103
Autores: Garraffoni,André R. S.; Amaral,A. Cecília Z.
The postlarval development of Nicolea uspiana (Nogueira, 2003), a small intertidal terebellid polychaete from rocky habitats on the southeastern and southern Brazilian coast, was studied based on postlarval, juvenile and adult specimens. The specimens, ranging from 8 to 43 segments, were collected between May 2006 and May 2007. The youngest postlarval specimen was found crawling outside of the tube. In specimens at different stages of growth, the number of ocelli and tentacles increased; the first pair of nephridial papillae appeared early (before 8-segmented specimen), and the second and third pairs appeared later (31-segmented specimen); the circulatory system only developed when the first pair of branchial bulbs arose (32-segmented specimen), and the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Nicolea; Ontogeny.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100010

Status taxonômico e distribucional do complexo Eumops bonariensis (Chiroptera: Molossidae) no sul do Brasil
Provedor de dados: 103
Autores: Bernardi,Itiberê P.; Miranda,João M. D.; Passos,Fernando C.
The taxonomic status and the geographical distribution of the specimens from southern Brazil previously identified as members of the Eumops bonariensis (Peters, 1874) species complex are here reviewed based on specimens deposited in collections of the states of Paraná and Rio Grande do Sul. The results of an investigation of diagnostic morphological characters and a multivariate morphometrics analysis suggest the recognition of two forms, E. bonariensis and E. patagonicus Thomas, 1924, thus altering considerably the distributional scenario of these forms in southern Brazil.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Distribution; Morphology; Morphometrics; Multivariate analysis.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100025

Biology, distribution and geographic variation of loliginid squids (Mollusca: Cephalopoda) off southwestern Atlantic
Provedor de dados: 103
Autores: Martins,Rodrigo Silvestre; Juanicó,Marcelo.
ABSTRACT The biology and ecology of southwestern Atlantic loliginid squids have been intensively researched in the last few decades, mostly off the Brazilian southern coast. However, information gathered by scientific research cruisers, either past or recent, is limited. Three species of loliginid squids - the warm-tempered Doryteuthis sanpaulensis (Brakoniecki, 1984), plus the tropical D. pleii (Blainville, 1823) and Lolliguncula brevis (Blainville, 1823) - were sampled along 16 degrees of latitude on the southwestern Atlantic (22-38°S). The samples were obtained mostly from oceanographic surveys, but also included squids caught by commercial fisheries, and a few specimens from museum collections. Squid response to abiotic variables, morphological...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Competition; Morphology; Myopsida; Population biology; Reproduction.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100337

A new species of Campylothorax (Collembola: Paronellidae: Paronellinae) from Northern Brazil
Provedor de dados: 103
Autores: Santos,Inaura P. da Silva; Cipola,Nikolas G.; Morais,José W. de; Bellini,Bruno C.
ABSTRACT Campylothorax viruaensis sp. nov., a new species of paronellid springtail from the Amazon Rainforest, state of Roraima, Brazil, is herein described and illustrated. The new species is characterized by: pale yellow body with dark blue pigment on abdomen III and IV; dorsal chaetotaxy presenting S5i macrochaeta on head, mesothorax with 6-8 macrochaetae in p1-4 complex; A5 as macro or microchaeta on abdomen IV; collophore anterior side with 4+4 anterior long chaetae; and mucro with five teeth. Other characteristics usually omitted in traditional descriptions for the genus are presented such as morphology of apical region of third and fourth antennal segments, labial papillae, chaetotaxy of subcoxae, collophore, abdomen V and ventral region of head....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazon Rainforest; Detailed dorsal chaetotaxy; Paronellini; Roraima; Taxonomy.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000301203

The feeding habits of the eyespot skate Atlantoraja cyclophora (Elasmobranchii: Rajiformes) in southeastern Brazil
Provedor de dados: 103
Autores: Viana,Alessandra da Fonseca; Vianna,Marcelo.
The stomach contents of the eyespot skate, Atlantoraja cyclophora (Regan, 1903), were examined with the goal to provide information about the diet of the species. Samples were collected off the southern coast of Rio de Janeiro, Brazil, near Ilha Grande, between January 2006 and August 2007, at a depth of about 60 m. The diet was analyzed by sex, maturity stages and quarterly to verify differences in the importance of food items. The latter were analyzed by: frequency of occurrence, percentage of weight and in the Alimentary Index. The trophic niche width was determined to assess the degree of specialization in the diet. Additionally, the degree of dietary overlap between males and females; juveniles and adults and periods of the year were defined. A total...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Elasmobranch; Trophic niche; Rajidae; Rio de Janeiro.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000200003

Three new species of Hydroptila (Trichoptera: Hydroptilidae) from Northeastern Brazil
Provedor de dados: 103
Autores: Souza,Wagner Rafael M. de; Santos,Allan Paulo Moreira; Takiya,Daniela Maeda.
Hydroptila Dalman, 1819 is one of the most diverse genus of Hydroptilidae, comprising over 400 species distributed in all biogeographical regions. Only two species were previously recorded from Brazil. Here, three new species from Northeastern Brazil are described and illustrated. The new species can be distinguished based on the male genitalia: Hydroptila marighellai sp. nov. can be recognized by the pliers-shaped tergum X; H. florestani sp. nov. can be recognized by having inferior appendages curved upwards in lateral view; and H. zerbinae sp. nov. differs from the other species of the denza group in the apex of the tergum X, which is wide in lateral view, and the undivided apical portion of the phallus. These are the first records of species of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hydroptilinae; Microcaddisfly; Neotropical Region; Taxonomy.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000600010

Larval and adult density of the porcellanid crab Petrolisthes armatus (Anomura: Porcellanidae) in an Amazon estuary, northern Brazil
Provedor de dados: 103
Autores: Oliveira,Danielly Brito de; Silva,Dalila Costa; Martinelli-Lemos,Jussara Moretto.
Petrolisthes armatus (Gibbes, 1850) is a porcellanid crab with a wide geographical distribution. In the present study we analyzed variations in the abundance of P. armatus adults and larvae over an annual cycle in the Marapanim estuary of the Amazon coastal zone, in the northeastern portion of the state of Pará, Brazil. Particularly, we focused on the presence of ovigerous females and timing of larval release, with the aim of elucidating reproductive patterns in a tropical estuarine system. The mean density of P. armatus larvae (zoea I and II) correlated positively with the salinity of the shallow waters of the estuary, whereas the abundance of adults correlated with the salinity registered in water samples collected from the benthic environment. There was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Decapoda; Macrobenthos; Reproduction; Zooplankton.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000600002

Meso and microhabitat analysis and feeding habits of small nektonic characins (Teleostei: Characiformes) in Neotropical streams
Provedor de dados: 103
Autores: Ceneviva-Bastos,Mônica; Casatti,Lilian; Rossa-Feres,Denise Cerqueira.
The habitat use and feeding habits of a set of nektonic fish species often found in small low-gradient streams in Brazil were investigated. The core species in the present study was Knodus moenkhausii (Eigenmann &amp;amp; Kennedy, 1903), the most abundant of five species in the nektonic guild. Records of the species in 22 streams indicate that K. moenkhausii is associated, on a mesohabitat scale, with runs, and on a microhabitat scale, with sandy bottoms, intermediate depth, and open sites without coverage or submerged vegetation. During snorkeling observations, two additional nektonic registered species showed spatial segregation from K. moenkhausii with respect to foraging microhabitats. Feeding habits of the observed nektonic species were significantly...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Characidae; Habitat use; Resources; Upper Paraná.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200006

Reproduction and diet of Imantodes cenchoa (Dipsadidae: Dipsadinae) from the Brazilian Amazon
Provedor de dados: 103
Autores: Sousa,Kellen R. M. de; Prudente,Ana Lúcia C.; Maschio,Gleomar F.
Imantodes cenchoa (Linnaeus, 1758) is distributed from the east coast of Mexico to Argentina. In Brazil, it occurs in the north, central-west and northeast regions. We present information on the reproductive biology and diet of I. cenchoa from analysis of 314 specimens deposited in the Herpetological Collection of the Museu Paraense Emílio Goeldi (MPEG). Imantodes cenchoa displays sexual dimorphism in the snout-vent length, where sexually mature females are larger than mature males (t = 4.02, p &lt; 0.01; N males = 150, N females = 71), head length (f1.218 = 98.29, p &lt; 0.01; N males = 150, N females = 71), and head width (f1.218 = 112.77, p &lt; 0.01, N males = 150; N females = 71). Bi-sexual maturity is observed, with males becoming sexually mature...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ecology; Natural history; Neotropical; Snakes.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000100002

Species composition and community structure of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) compared among savanna and forest formations in the southwestern Brazilian Cerrado
Provedor de dados: 103
Autores: Silva,Jorge L. da; Silva,Ricardo J. da; Fernandes,Izaias M.; Sousa,Wesley O. de; Vaz-de-Mello,Fernando Z.
ABSTRACT Although dung beetles are important members of ecological communities and indicators of ecosystem quality, species diversity, and how it varies over space and habitat types, remains poorly understood in the Brazilian Cerrado. We compared dung beetle communities among plant formations in the Serra Azul State Park (SASP) in the state of Mato Grosso, Brazil. Sampling (by baited pitfall and flight-interception traps) was carried out in 2012 in the Park in four habitat types: two different savanna formations (typical and open) and two forest formations (seasonally deciduous and gallery). A total of 5,400 individuals collected comprised 57 species in 22 genera. Typical savanna had the greatest species richness and abundance, followed by open savanna and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Beetle community; Guilds; Habitat structure; Inventory; RAPELD; Serra Azul Park.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100331

Does the widely distributed rodent Calomys tener (Cricetidae: Sigmodontinae) constitute a single evolutionary unit?
Provedor de dados: 103
Autores: González-Ittig,Raul E.; Kandel,Narayan P.; Bonvicino,Cibele R.; Salazar-Bravo,Jorge.
ABSTRACT The nominal species Calomys tener (Winge, 1887) ranges broadly in open lands of the Caatinga, Cerrado, Pantanal and Mata Atlântica of Brazil, and was recently reported from the Pampas of southern Brazil, and in the Selva Paranaense of eastern Paraguay and northeastern Argentina. This rodent can be infected with the pathogenic Araraquara hantavirus in Brazil. Given that most epidemiological studies have not taken into account updated taxonomic findings of their rodent hosts, in this study, we obtained sequence data of the Cyt-b and COI genes of specimens of C. tener from 22 different geographical localities from throughout the currently known distribution of the species (including individuals from Argentina, Paraguay, Bolivia, and Brazil) to test...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cyt-b; Phylogenetic relationships; South America.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702019000100311

Four species of the new Amazonian sharpshooter Daedaloscarta gen. nov. (Insecta: Hemiptera: Cicadellidae)
Provedor de dados: 103
Autores: Cavichioli,Rodney R.; Takiya,Daniela M.
Four new species, Daedaloscarta erwini sp. nov. (Peru: Loreto), D. maculata sp. nov. (Brazil: Amazonas), D. mene sp. nov. (Ecuador: Orellana), and D. redacta sp. nov. (Brazil: Amazonas) are described and placed in the new genus Daedaloscarta gen. nov. Species of the new genus can be readily distinguished from other Cicadellini genera by their: (1) dark brown to black dorsal coloration with contrasting large ivory spots; (2) crown produced and round anteriorly (Figs 1-8); (3) pronotum narrower than transocular width of head, with lateral margins parallel; (4) male pygofer with pair of acute finger-like processes arising at dorsal margin directed inwardly and ventrally; (5) subgenital plates with apical two-thirds very slender; (6) aedeagus very large with...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazonian forest; Biodiversity; Cicadellinae; Taxonomy.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000600010

Humpback whale Megaptera novaeangliae (Cetartiodactyla: Balaenopteridae) group sizes in line transect ship surveys: An evaluation of observer errors
Provedor de dados: 103
Autores: Bortolotto,Guilherme A.; Danilewicz,Daniel; Andriolo,Artur; Zerbini,Alexandre N.
ABSTRACT Accurate estimates of group sizes through line transect sampling methods are important to correctly ascertain the abundance of animals that occur in groups. Since the average observed group size is a component of the distance sampling formula, bias in these data leads to biased abundance estimates. This study aimed to evaluate the potential errors in group size estimation during line transect ship surveys to estimate abundances of the humpback whale, Megaptera novaeangliae (Borowski 1781). In a research cruise along the Brazilian coast, an experiment to collect group size information was conducted from two different sighting platforms on the same vessel. Group sizes were recorded by primary observers at first sighting (PO1) and, in some cases,...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Abundance; Bias; Conservation; Distance sampling; Mysticetus.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000204001

Ovarian follicular cycle of Tropidurus hispidus and Tropidurus semitaeniatus (Squamata: Tropiduridae) in a semiarid region of Brazil
Provedor de dados: 103
Autores: Santos,Hellen S.; Santos,Jamile M.S.; Matos,Maria H.T.; Silva,Naisandra B.; Freire,Eliza M.X.; Ribeiro,Leonardo B.
The reproductive cycle of Squamata reptiles is often associated with environmental conditions, such as rainfall. In this respect, seasonal variations may affect the morphology of the ovarian follicles, which are associated with vitellogenesis. The present study describes histological alterations in the ovarian cycle of two lizard species, Tropidurus hispidus (Spix, 1825) and Tropidurus semitaeniatus (Spix, 1825), which inhabit a caatinga region in the state of Rio Grande do Norte. Our goal was to identify morphological differences in the ovarian follicles at each phase of vitelloge nesis and to ascertain if they are associated with rainfall. Three follicular phases were identified in both species: pre-vitellogenesis, vitellogenesis and follicular atresia....
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Ovarian stages; Reproductive cycle; Semiarid; Vitellogenesis.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000100086

Isolation and sequencing of the HMG domain of ten Sox genes from Odorrana schmackeri (Amphibia: Anura)
Provedor de dados: 103
Autores: Wang,Ning; Wang,Jing J.; Jia,Rui; Xu,Jin W.; Nie,Liu W.
Sox (SRY-related HMG-box) genes encode a family of transcriptional regulators, which are characterized by a conserved 79-amino acid domain known as HMG-box. They play essential roles in a diverse range of processes including sex determination and the development of the central nervous system (CNS), neural crest and endoderm. In this paper, the HMG domain of ten distinct Sox gene family members (os-Sox2, os-Sox3a, os-Sox3b, os-Sox4, os-Sox11a, os-Sox11b, os-Sox14a, os-Sox14b, os-Sox21a, os-Sox21b) were isolated from both male and female Odorrana schmackeri (Boettger, 1892) using PCR, and no sexual differences were found. Molecular phylogenetic analysis of the HMG domain suggested that these ten Sox genes are members of the SoxB and SoxC groups. In addition,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Duplication-degeneration-complementation; SSCP.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100017

Occurrence of phoresy between Ancistrus multispinis (Actinopterygii: Siluriformes) and Ichthyocladius sp. (Diptera: Chironomidae) in Atlantic forest streams, Southeastern Brazil
Provedor de dados: 103
Autores: Mattos,Tailan Moretti; Carvalho,Dandhara Rossi; Brito,Mateus Santos de; Araújo,Francisco Gerson.
ABSTRACT Phoretic relationships often bring large advantages to epibionts. By attaching themselves to mobile hosts, epibionts are able to: expand their ranges without spending energy, reduce their risk of being predated, and increase their probability of finding food. We assessed the phoretic relationship between the siluriform fish Ancistrus multispinis (Regan, 1912) and the chironomid larva Ichthyocladius sp. in three streams of the Atlantic forest in southeastern Brazil. We evaluated changes in epibiont distribution throughout the body regions of the host and among three different aquatic systems. We had predicted that certain body regions are more prone to support epibiont attachment, and that epibiont prevalence increases with increased host size and...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Commensalism; Larval dispersion; Midges; Stream ecology.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100503

Caudal fin-nipping by Serrasalmus maculatus (Characiformes: Serrasalmidae) in a small water reservoir: seasonal variation and prey selection
Provedor de dados: 103
Autores: Silva,André T. da; Zina,Juliana; Ferreira,Fabio C.; Gomiero,Leandro M.; Goitein,Roberto.
ABSTRACT We evaluated how seasonality affects the frequency and intensity of fin-nipping, as well as the fish prey preferences of Serrasalmus maculatus Kner, 1858. The study took place in a small reservoir of the Ribeirão Claro River basin, state of São Paulo, southeastern Brazil. Fish were sampled monthly from July 2003 to June 2004, using gillnets. Sampling consisted of leaving 50 m of gillnets in the water for approximately 24 hours each month. No seasonal variation in the frequency and intensity of fin-nipping was observed. Among six prey species, piranhas displayed less damage in their fins, possibly due to intraspecific recognition. Under natural conditions, the caudal fins of Cyphocharax modestus (Fernández-Yépez, 1948) were the most intensively...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Community dynamics; Human activities; Mutilation; Prey-predator interaction; Ribeirão Claro River.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000600457

On the female of Metagonia taruma (Araneae: Pholcidae), ecology of the pholcid spiders in the Urucu River Basin, Amazonas, Brazil and new records from Brazilian Amazonia
Provedor de dados: 103
Autores: Carvalho,Leonardo S.; Dias,Sidclay C.; Candiani,David F.; Bonaldo,Alexandre B.
In this study we describe the unknown female of Metagonia taruma Huber, 2000, which was discovered after sampling in two forest gap types at Porto Urucu (Urucu River Basin, Coari, Amazonas, Brazil), and also provide information on the community ecology and natural history of the sampled species. The female of M. taruma is similar to that of M. samiria (Huber, 2000) by having an epigynum with a slightly projecting broad scape with a distal pocket; it differs by the larger pore plates. We collected twelve Pholcidae species at Porto Urucu and M. taruma was the most frequent and abundant. The populations of Carapoia ocaina Huber, 2000 and Mesabolivar aurantiacus (Mello-Leitão, 1930) present homogeneous sex ratios, while M. taruma and Mesabolivar sp. were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Forest gaps; Natural history; Neotropical region; Species distribution; Taxonomy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000300016

Molecular cloning and expression patterns of the Vasa gene from Rana nigromaculata (Amphibia: Anura)
Provedor de dados: 103
Autores: Jia,Rui; Nie,Liu-Wang; Wang,Ning; Wang,Jingjing.
The Vasa protein is a member of the DEAD (Asp-Glu-Alu-Asp) box family of ATP-dependent RNA helicases. The Vasa gene is specifically expressed in germ-line cells of many metazoans and is known to play a critical role in gametogenesis and reproductive regulation. In this paper, we isolate the full length cDNA sequence of the Vasa gene from the frog Rana nigromaculata Hallowell, 1861. The open reading frame (ORF) encoding 398 amino acid residues has nine conserved motifs. According to the similarities at the amino acid sequenceythe phylogenetic analysis of Vasa gene was consistent with the evolution relationships from chordates to mammals. Furthermore, the expression pattern analysis of RnVasa mRNA, using the technique of Reverse Transcriptase-Polymerase...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: DEAD-box; Phylogenetic analysis; RT-PCR.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200014

Two new tiny Nemesiidae species from Reserva Biológica do Tinguá, Rio de Janeiro, Brazil (Araneae: Mygalomorphae)
Provedor de dados: 103
Autores: Indicatti,Rafael P.; Folly-Ramos,Elaine; Vargas,André B.; Lucas,Sylvia M.; Brescovit,Antonio D.
Two new Nemesiidae species from Reserva Biológica do Tinguá, Rio de Janeiro, Brazil are described. Acanthogonatus minimussp. nov. differs from the remaining species of the genus by the male palpal bulb, which has very long and twisted embolus, ca. 2/3 the length of the palpal tibia, long and twisted spermathecae, anterior eye row recurved and fovea T-shaped. Chaco tinguasp. nov. differs from the remaining species of the genus by the retrolateral megaspine on tibia I, palpal embolus tip hook-shaped, inferior tarsal claw on all legs, absence of pubescence on the carapace and legs. Both species were collected with Winkler extractors in leaf litter. They are the smallest specimens in their respective genera and also among the world Nemesiidae described to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anaminae; Diplothelopsinae; Mata Atlântica; Phenology; Spider.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000200123