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	Provedor de dados Acta Botanica (1) Autor Bernacci,Luis Carlos (1) Catharino,Eduardo Luís Martins (1) Durigan,Giselda (1) Metzger,Jean Paul (1) Silva,William Goulart da (1) Simões,Sílvio (1) Mais... Palavra-chave Atlantic Forest (1) Land use (1) Relief (1) Tree species richness and composition (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2008 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 246 Primeira ... 5 6 7 8 9 10 11 12 13 ... Última Ultrastructure of the antennal sensilla of Alabama argillacea (Hübner, 1823) (Lepidoptera: Erebidae) Rev. Bras. entomol. Santos,Andrezo Adenilton; Wanderley-Teixeira,Valéria; Cruz,Glaucilane dos Santos; Navarro,Daniela Maria do Amaral Ferraz; Alves,Luiz Carlos; Brayner,Fábio André; Teixeira,Álvaro Aguiar Coelho. Abstract Insects have several types of sensilla, the characterization of which has been fundamental to understanding the mechanisms of sensory perception in different species. This study aimed to describe the ultrastructure of the sensilla present on the antennae of Alabama argillacea (Hübner, 1823) (Lepidoptera: Erebidae), an important pest of cotton (Gossypium hirsutum L.) crops, as well as their possible variation between sexes. To do this, the antennae of males and females of A. argillacea were analyzed using scanning electron microscopy. Sensilla morphometry was assessed using photomicrographs, from which the lengths and basal and apical diameters of sensilla were measured using the ImageJ program. Seven types of sensilla were identified on the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Antenna; Cotton leafworm; Morphometry; Scanning electron microscopy. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262019000200141 Morphometric and molecular differences among Calvertius tuberosus (Coleoptera: Curculionidae) populations associated with Andean and coastal populations of Araucaria araucana in the La Araucanía Region, Chile Rev. Bras. entomol. Jimenez,Luis Huala; Ranz,Ramón Rebolledo; López,Rubén Carrillo; Elgueta,Mario; Honorato,Marco Paredes. Abstract Calvertius tuberosus (Curculionidae) lives exclusively on Araucaria araucana trees (commonly known as pehuen) in southern Chile. In this study, morphometric and molecular genetic analyses of Andean and coastal populations of C. tuberosus were performed to evaluate evolutionary divergence associated with the discontinuity of the Araucaria forest between the coastal and Andean regions. Specimens of C. tuberosus were collected in Nahuelbuta National Park, Villa Las Araucarias, and Malalcahuello National Reserve and were classified and stored at the Animal Biotechnology Researching Laboratory (LINBA), University of La Frontera, Temuco, Chile. Thirteen morphometric parameters and the expression patterns of ISSR (inter-simple sequence repeat) markers... Tipo: Info:eu-repo/semantics/article Palavras-chave: Araucaria forests; ISSR markers; Morphometry. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262018000200119 More than one inseminated female in colonies of the independent-founding wasp Mischocyttarus cassununga von Ihering (Hymenoptera, Vespidae) Rev. Bras. entomol. Murakami,André S. N.; Shima,Sulene N.; Desuó,Ivan C.. In the primitively eusocial wasps, especially Polistini and Mischocyttarini tribes, the physiological condition of each individual is strongly associated with its dominance status in the colonial hierarchy. As a rule, in independent-founding wasps, female wasps are all morphologically alike, and their role is apparently quite flexible even as adults. However, some studies have shown that differences in body size can exist between reproductive and non-reproductive females. Thus, the present study aimed at detecting differences between reproductive (inseminated) and non-reproductive (uninseminated) individuals based on morphological and physiological parameters. We tape-recorded the daily behavioural repertory of six colonies of Mischocyttarus cassununga for... Tipo: Info:eu-repo/semantics/article Palavras-chave: Dominance; Social hierarchy; Morphometry; Physiology; Mischocyttarini. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262009000400017 Caste polymorphism of apterous line of the Neotropical termite Nasutitermes corniger (Motschulsky) (Isoptera, Termitidae) Rev. Bras. entomol. Lima,Victor Luiz de Souza; Bailez,Omar E.; Viana-Bailez,Ana Maria. Termite societies are structured by individuals that can be grouped into castes and instars. The development of these instars in most species occurs in irregular patterns and sometimes is distinguished subcastes in physical systems that originate polymorphic soldiers and workers. In this study, we characterized the morphological diversity of castes of apterous in Nasutitermes corniger. We collected four colonies of N. corniger, one every three months between May 2011 and February 2012. Individuals of the nest were separated into groups: larval stages, workers and presoldiers and soldiers. A morphometric analysis was performed on individuals from each group based on head width, metatibia, antenna, and thorax length. The data were submitted to discriminant... Tipo: Info:eu-repo/semantics/article Palavras-chave: Arboreal termite; Insecta; Morphometry; Nasute; Nasutitermitinae. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262013000300008 First larval description and chaetotaxic analysis of the neotropical whirligig beetle genus Enhydrus Laporte (Coleoptera, Gyrinidae) Rev. Bras. entomol. Michat,Mariano C.; Alvarenga,Thiago Marinho; Silva,Marconi Souza; Alarie,Yves. ABSTRACT The larva of the whirligig beetle Enhydrus sulcatus (Wiedemann, 1821) is described and illustrated for the first time, including detailed morphometric and chaetotaxic analyses of the cephalic capsule, head appendages and legs. Larvae of Enhydrus Laporte, 1834 exhibit the characters traditionally recognized as autapomorphies of the family Gyrinidae: well developed cardo, completely divided prementum, presence of lateral abdominal tracheal gills, and presence of four terminal hooks on the pygopod. The egg bursters located on the parietal, the presence of an additional sensorial plate on the third antennomere, and a well developed lacinia may also represent autapomorphies of the family. Enhydrus larvae share with those of the other known Dineutini... Tipo: Info:eu-repo/semantics/article Palavras-chave: Adephaga; Dineutini; Morphometry; Neotropics; Sensilla. Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262016000300231 Physiological maturity of seeds and colorimetry of fruits of Jatropha curcas L. Rev. bras. sementes Dranski,João Alexandre Lopes; Pinto Júnior,Artur Soares; Steiner,Fábio; Zoz,Tiago; Malavasi,Ubirajara Contro; Malavasi,Marlene de Matos; Guimarães,Vandeir Francisco. The objective was to relate the coloration of fruits of Jatropha curcas L during the maturation process with morphometric (fruits and seeds) and germinative characteristics (seeds). Fruits were collected at various maturation stages from mast trees located in Eldorado/MS, and six maturation stages were visually classified based on fruit's epicarp color. Epicarp digital colorimetry was used to characterize maturation stages in addition to morphometric variables of length and width of fruits and seeds, as well their water content. For determining the physiological potential it was used germination test, emergence velocity index and first count of germination. Results indicated that seeds of J. curcas should be harvested when fruit epicarp shows a reading... Tipo: Info:eu-repo/semantics/article Palavras-chave: Maturation stage; Germination; Refractance; Morphometry. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-31222010000400018 Annual male reproductive activity and stages of the seminiferous epithelium cycle of the large fruit-eating Artibeus lituratus (Chiroptera: Phyllostomidae) Rev. Bras. Zool. 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 > 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 Brazilian species of Gadila (Mollusca: Scaphopoda: Gadilidae): rediscovery of Gadila elongata comb. nov. and shell morphometrics Rev. Bras. Zool. 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 Morphological and genetic diversity in Callithrix hybrids in an anthropogenic area in southeastern Brazil (Primates: Cebidae: Callitrichinae) Rev. Bras. Zool. 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 Changes in the size of cephalic salivary glands of Apis mellifera and Scaptotrigona postica (Hymenoptera: Apidae) queens and workers in different life phases Rev. Bras. Zool. 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 Morphometric differentiation of Glossophaga soricina soricina (Chiroptera: Phyllostomidae) in three Brazilian biomes Rev. Bras. Zool. 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 Pivotal temperature and sexual dimorphism of Podocnemis expansa hatchlings (Testudines: Podocnemididae) from Bananal Island, Brazil Rev. Bras. Zool. 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 Morphology of the shell of Happiella cf. insularis (Gastropoda: Heterobranchia: Systrophiidae) from three forest areas on Ilha Grande, Southeast Brazil Rev. Bras. Zool. 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 Gender-related diet composition and morphometry of the Restinga Antwren, Formicivora littoralis (Aves: Thamnophilidae) Rev. Bras. Zool. 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 Determination of larval instars in Chironomus sancticaroli (Diptera: Chironomidae) using novel head capsule structures Rev. Bras. Zool. 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 & 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 Dimorphism and allometry of Systaltocerus platyrhinus and Hypselotropis prasinata (Coleoptera: Anthribidae) Rev. Bras. Zool. 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 & 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 The adductor pectoral fin muscle of Micropogonias furnieri (Perciformes: Sciaenidae): a morphological and histochemical study Rev. Bras. Zool. 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 Effectiveness of the morphofunctional evaluation method of Campolina and Mangalarga Marchador breeds R. Bras. Zootec. Santos,Jéssyka Emmanuelly Silva dos; Santiago,Juliano Martins; Lucena,Jorge Eduardo Cavalcante; Santos,Bruna Aparecida dos; Lana,Ângela Maria Quintão; Rezende,Adalgiza Souza Carneiro de. ABSTRACT This study aimed to verify whether the criterion of exhibition contests adopted for Campolina and Mangalarga Marchador breeds has been successful in recent years, i.e., if the subsequent generations have the morphology recommended by the standard of the breed allied with high-quality marcha, a four-beat ambling gait. The classifications achieved by each horse during national horse shows in morphology and gait contests underwent Spearman's correlation to verify the number of contests with a correlation between the classifications in the two judgments and those with no correlation. Next, the number of contests with or without such correlation underwent a frequency distribution test considering the variables breed, year, age, marcha category, and... Tipo: Info:eu-repo/semantics/article Palavras-chave: Equine; Horse; Morphometry. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100706 Participation frequency and performance of horses in national shows of Campolina and Mangalarga Marchador breeds R. Bras. Zootec. Nascimento,Caline Angélica de Menezes Sá; Gonzaga,Iaçanã Valente Ferreira; Santiago,Juliano Martins; Silva,Andreza Correia da; Melo,Daniel Anderson de Souza; Lima,Diogo Luiz dos Santos; Pinto,Ana Paula Gomes; Lucena,Jorge Eduardo Cavalcante. ABSTRACT This study aimed to determine the participation frequency and competitive performance of Campolina and Mangalarga Marchador horses in national shows concerning marcha type, sex, and age. To that end, the trial results of national horse shows between 2007 and 2017, comprising 1,781 Campolina and 5,239 Mangalarga Marchador animals, were extracted from the databases of the breeders’ associations of each breed. The results regarding participation frequency in these events and the performance achieved by horses were grouped by breed, marcha type, sex, and age group and then subjected to frequency distribution tests. In both breeds, most animals attended only one national show. However, when the specimens were separated by marcha type, sex, and age, it... Tipo: Info:eu-repo/semantics/article Palavras-chave: Equine; Morphometry; Phenotypic selection. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100527 Biometric parameters of adult and growing Pêga donkeys R. Bras. Zootec. Moreira,Camilla Garcia; Menezes,Madalena Lima; Nunes,Tamires Romão; Mota,Thais Pagotti; Balieiro,Júlio Cesar de Carvalho; Oliveira,Chiara Albano de Araujo; Brandi,Roberta Ariboni. ABSTRACT This study aimed at establishing the morphological characteristics and morphometric indexes of Pêga donkeys, utilizing 47 animals, of which 22 were adults and 25 were growing donkeys. Prior to taking their measurements, the animals were restrained and made to stand squarely. The morphological data were measured, and the following morphometric indexes were determined: body index (BI), meloscopic index (MI), dactylothoracic index (DTI), weight in cannon index (WCI), conformation index (CFI), and real live weight (RLW). The experimental design was subdivided into plots and repeated in time, in which the animals represented the plot and the data collection times were the subplots. No sex effect was noted for the morphological measurements and... Tipo: Info:eu-repo/semantics/article Palavras-chave: Equidae; Growth; Morphometry; Morphology. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100517 Registros recuperados: 246 Primeira ... 5 6 7 8 9 10 11 12 13 ... Última

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