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Registros recuperados: 25
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Analysis of a species/instars/characters table: a theoretical survey on the use of chaetotaxy in ontophylogenetic studies Naturalis
Nayrolles, Pierre.
Phylogenetic studies on several groups of arthropods, such as Acari (mites) or Collembola (springtails), make wide use of chaetotaxy. Chaetotaxic characters, besides being morphological features (setal shape), often have a binary nature, that is presence vs. absence. A seta can be variable in a population, and one may attribute a presence probability to this seta. In fact, the presence probability should be defined for each instar. One might think that a variable seta corresponds to a polymorphism (e.g., two or more alleles in a population); in fact, setal variability should be regarded as the result of a propensity intrinsic to individuals, i.e., a potentiality being expressed at random among specimens. The phenomenon known as lateral inhibition explains...
Tipo: Article / Letter to the editor Palavras-chave: Ontogeny; Phytogeny; Chaetotaxy; Probabilistic organs; Ontogenetic trajectories; Arthropods; Collembola; Symphypleona.
Ano: 1998 URL: http://www.repository.naturalis.nl/record/534360
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Arthropod succession on pig carcasses in southeastern Nigeria Pap. Avulsos de Zool. (São Paulo)
Ekanem,M.S.; Dike,Mike C..
The domestic pig (Sus scrofa) was used as a model to study arthropod succession on carcasses under tree shade and out of shade in southern Nigeria. Carcass decomposition took longer periods under tree shade than in exposed sites, at 24.5 and 16.5 days, respectively. Four decomposition stages - fresh, bloated, decay, and dry - were observed. No significant variabilities were recorded in the types and patterns of infestation of the carcasses by arthropods in both locations. Four classes of arthropods - Insecta, Arachnida, Diplopoda and Crustacea - were recorded. The class Insecta dominated the total arthropods collected with 24 families, and formed 94% of the catches. The other three classes each had one family represented, and contributed only 2% of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Decomposition stages; Carcass; Arthropods; Insects.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492010003500001
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Arthropods galore Naturalis
Jagt, J.W.M..
Tipo: Book review Palavras-chave: Arthropods; Crustacea; Review; Festschrift; Fredrick R. Schramm; 42.74.
Ano: 2005 URL: http://www.repository.naturalis.nl/record/209657
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Arthropods obtained from the Amazonian tree species "Cupiuba" (Goupia glabra) by repeated canopy fogging with natural Pyrethrum Acta Amazonica
ADIS,Joachim; HARADA,Ana Yoshi; FONSECA,Claudio Ruy V. da; PAARMANN,Wilfried; RAFAEL,José Albertino.
Two canopies of a widely distributed Amazonian tree species, Goupia glabra Aubl. (Celastraceae, height 38 and 45m) were fogged several times with 1% natural pyrethrum during the rainy and dry seasons (1991-1994) in the Adolpho Ducke Forest Reserve near Manaus/Brazil. Between 50 and 158 ind./m2 of arthropods were obtained per tree and fogging event. Hymenoptera, mostly Formicidae, and Diptcra dominated. A total of 95 ant species occurred on a single tree. Most ants were permanently foraging in the canopy and their recolonization after fogging seems to follow stochastic pathways. Data indicated an interaction between - 1) predating Formicidae and gall building Cecidomyiidae and - 2) Cecidomyiidae and the parasitic Hymenoptera.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Canopy fogging; Pyrethrum; Arthropods; Recolonization; Interactions; Amazon; Neotropics.
Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59671998000300273
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Artrópodos associados à copa de Attalea phalerata Mart. (Arecaceae), na região do Pantanal de Poconé, Mato Grosso, Brasil Rev. Bras. entomol.
Santos,Geane Brizzola dos; Marques,Marinêz Isaac; Adis,Joachim; Musis,Carlo Ralph De.
Six individuals of the palm A. phalerata, in Poconé floodplains of Mato Grosso, were sprayed with a synthetic pyrethroid (0.25% concentration) in order to study the biomass, diversity, and richness of the canopy arthropods. A total of 17,188 (238.7±80.6 ind./m²) arthropods belonging to 22 Orders, was collected in a 72 m² funnel area. Two hours after spraying, 58.9% of the total number fell into the funnels, 37.6% was obtained by shaking the trees, and finally, 3.5% after cutting and washing all the palm leaves. The Coleoptera (27.4%), Hymenoptera-Formicidae (19.0%), Collembola (13.6%), Psocoptera (10.7%), Diptera (9.0%) and Araneae (6.4%) were the predominant. The total biomass was 15.1 g dry weight (0.4mg/m²; 0.13+0.04/tree). A total of 4,715 beetles...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Arthropods; Attalea/biomass; Attalea/guilds; Pantanal.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262003000200010
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Between-habitat movement of rice arthropods and its ecological role International Rice Research Institute
Zhang, W. J.; Qi, Y. H..
p.43-45
Palavras-chave: Arthropods; Habitats; Natural enemies.
Ano: 2004 URL: http://hdl.handle.net/123456789/1035
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Biological vulnerability in the Elqui Valley (Coquimbo Region, Chile) to economically important arthropods Ciencia e Investigación Agraria
Pizarro-Araya,Jaime; Cepeda-Pizarro,Jorge; Barriga,Juan E; Bodini,Andrés.
Current climate conditions in north-central Chile (25057'-32013'S,71043'-68°16'W)are characterized by increasing temperatures and decreasing rainfall. Global warming is expected to alter the hydrology and ecoclimatic characteristics of north-central basins with multiple effects, including changes in plant and arthropod phenology and biodiversity. Among these basins, the Elqui Valley (29°50'S, 70°52'W) stands out for its large population and the economic importance of tourism and agriculture. The taxonomic composition of agriculturally and medically important arthropods was studied in three locations in the Elqui Valley by manual capture of specimens and interviews with farmers, agricultural workers, and local leaders. Out of a total of 145 species of...
Tipo: Journal article Palavras-chave: Arthropods; Climate change; Agricultural cropland; Rangeland; Elqui Valley; Arid zones.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202009000200006
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Computational resources for analysis of demographic parameters of arthropod populations. Repositório Alice
MAIA, A. de H. N.; PAZIANOTTO, R. A. A.; LUIZ, A. J. B.; PERVEZ, A..
2014
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Fertility life table; SAS codes; R codes; Jackknife; Arthropod populations; Estatística; Regression analysis; Arthropods.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1004803
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Effects of no tillage on the abundance and diversity of soil and olive tree canopy arthropods. IPB - Escola Superior Agrária
Lousão, C.; Bento, Albino; Campos, M.; Ruano, F.; Pereira, J.A..
Soil tillage is a traditional practice in the olive groves of Trás-os-Montes region (Northeast of Portugal) where the soil is maintained without any vegetal cover. However, this agronomic practice may have dangerous environmental effects of several orders. In this way, with the present work we aimed to contribute for the knowledge about the effect of two soil management practices in the olive grove (traditional tillage in comparison to no tillage) on the arthropods abundance and diversity of the olive grove soil and the olive tree canopy with special reference to Formicidae family. The work was developed between April and October of 2004, in two continuous plots submitted to the following agronomical practices: one plot submitted to frequent tillage to...
Tipo: ConferenceObject Palavras-chave: Olive grove; Tillage; Arthropods; Abundance; Diversity; Formicidae.
Ano: 2007 URL: http://hdl.handle.net/10198/5377
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Exploring the Insecticide and Acaricide Potential of Development Regulators obtained from Restinga vegetation from Brazil Anais da ABC (AABC)
FEDER,DENISE; GONZALEZ,MARCELO S.; MELLO,CÍCERO B.; SANTOS,MARCELO G.; ROCHA,LEANDRO; KELECOM,ALPHONSE; FOLLY,EVELIZE.
Abstract: As a part of our continuing search for insect and arthropod development regulators from Brazilian restinga vegetation of the Rio de Janeiro State, crude extracts, purified fractions and essential oils were submitted to screening tests seeking for biological activities on the development of the insects Rhodnius prolixus, Dysdercus peruvianus, Oncopeltus fasciatus and Rhipicephalus (Boophilus) microplus. Up to now, 102 secondary metabolites have been detected in the fractions, among them monoterpenes, sesquiterpenes and two triterpenes which were obtained from the species, Eugenia sulcata, Pilocarpus spicatus, Manilkara subsericea, Myrciaria floribunda and Zanthoxylum caribaeum. These secondary plant metabolites are considered of interest for the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Arthropods; Essential oil; Green pesticide; Insect pests; Insect vectors; Insect growth regulators.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000100626
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Faecal analysis as a complementary approach to the study of feeding ecology in the common marmoset (Callithrix jacchus Linnaeus, 1758) Mastozool. neotrop.
Silvestre,Saulo M; Dantas,José O; da Rocha,Patrício Adriano; Beltrão-Mendes,Raone; Ferrari,Stephen F.
We evaluated the application of faecal analysis as a complementary approach to direct observation in the study of Callithrix jacchus feeding ecology. Our results indicate that animal foods may be more commonly consumed (based on faecal samples-FS; 61.48% of diet) than previously thought (e.g., only 22.83% based on observational data-OD). Whereas FS provide better data on animal prey, it was less effective than OD in identifying plant items. Six insect orders-including Dermaptera and two hymenopteran families, not previously recorded in marmoset diet-were identified through FS, which is thus shown to be useful in characterizing diet, especially in insectivorous primates.
Tipo: Info:eu-repo/semantics/report Palavras-chave: Arthropods; Diet; Marmosets; Methods; Artrópodes; Dieta; Métodos; Sagui.
Ano: 2016 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-93832016000100020
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Feeding ecology of the pygmy gecko Coleodactylus natalensis (Squamata: Sphaerodactylidae) in the Brazilian Atlantic Forest Rev. Bras. Zool.
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
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Feeding habits of the leaf litter frog Haddadus binotatus (Anura, Craugastoridae) from two Atlantic Forest areas in southeastern Brazil Anais da ABC (AABC)
COCO,LÍVIA; BORGES JÚNIOR,VITOR N.T.; FUSINATTO,LUCIANA A.; KIEFER,MARA C.; OLIVEIRA,JANE C.F.; ARAUJO,PABLO G.; COSTA,BIANCA M.; SLUYS,MONIQUE VAN; ROCHA,CARLOS F.D..
Haddadus binotatus is an endemic anuran of the Brazilian Atlantic Forest and currently, there is no information about the diet of this species. We analyzed the diet of two populations of this anuran in two states in southeast Brazil. Samplings were carried out in 2004 in the state of Rio de Janeiro and in 2009 and 2010 in the state of Espírito Santo.Haddadus binotatus presented a rich diet composition, preying 19 prey types. Orthoptera, Coleoptera, and Blattodea were the most important preys in the Rio de Janeiro population, and Orthoptera, Araneae and Hemiptera were the most important in the Espírito Santo population. The diet composition differed numerically between the two localities, but not in terms of volume, which can reflect local differences in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Arthropods; Diet; Generalist feeder; Sexual dimorphism.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000100239
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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
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Improved SAS codes for life table analysis of arthropod populations. Repositório Alice
MAIA, A. de H. N.; LUIZ, A. J. B.; PERVEZ, A..
Abstract: Fertility life table (FLT) analysis of arthropod populations can capture chronicle sub lethal effects not detected by acute survival assays (MARINHO-PRADO, 2011; NASCIMENTO et al., 1998; NARDO et al (2001) LIU et al, 2005; LUMBIERRES et al, 2004). Inference on FLT parameters requires the use of computational methods to estimate the variance of demographic summary measures derived from information of survival and fertility of the arthropod populations under study. Jackknife-based software available for life table analysis (HULTING et al, 1990 ; MAIA et al, 2000) were developed for analyzing qualitative treatments, but such approach is frequently misused for contrasting levels of quantitative factors (GANJISAFFAR et al., 2011; PAKYARI et al., 2011;...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Arthropod populations; Fertility life tables; Jackknife; R codes; SAS codes; Análise estatística; Artropoda; Life tables; Arthropods; Statistical analysis.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1006327
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Interaction and fluctuation of arthropod species in a tropical rice ecosystem International Rice Research Institute
Luo, Lizhi.
181 l. : ill. Thesis (Ph.D.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Arthropods; Rice; Ecosystems; Tropics.
Ano: 1989 URL: http://hdl.handle.net/123456789/1128
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Lumping and correlation analyses of arthropod taxa in tropical irrigated rice fields International Rice Research Institute
Zhang, W. J.; Schoenly, K. G..
p.41-43
Palavras-chave: Arthropods; Biodiversity; Taxa; Sampling; Computer software; Correlation analysis; Irrigated soils.
Ano: 2004 URL: http://hdl.handle.net/123456789/768
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New and rare Nepticulidae in the Netherlands (Lepidoptera) Naturalis
Nieukerken, E.J. van.
Eleven species of Nepticulidae are recorded from the Netherlands for the first time. Eight of these have been collected as larvae during recent field work: Ecroedernia hannoverella (Glitz), E. nlediofasciella (Haworth), E. spirzosella (Joannis). E. arcz~arella (Herrich- Schaffer). Trifurcula cryptella (Stainton), Stigmella aeneofusciella (Herrich-Schaffer). S. poterii (Stainton), and S. crataegella Klimesch. On the basis of old collection material E. longicaudella Klimesch, E. bradfordi Emmet and S. svenssoni (Johansson) can be added to the list. A single specimen of E. bradfordi appears to be only the second one known. Some notes on rare species are given. S. regiella (Frey) is recorded for the first time from Belgium.
Tipo: Article / Letter to the editor Palavras-chave: Lepidoptera; Nepticuliae; Netherlands; Invertebrates; Arthropods; Insects; Lepidopterans; Nepticulidae; 42.75.
Ano: 1982 URL: http://www.repository.naturalis.nl/record/227174
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Ocorrência de Herminodes sp. (Lepidoptera: Noctuidae) em pupunheira nos estados do Acre e Rondônia, Brasil. Repositório Alice
THOMAZINI, M. J..
É relatado a ocorrência de Herminodes sp. em plantas de pupunha na área experimental da Embrapa Acre, Rio Branco, AC e no Projeto Reca, Vila Nova Califórnia, RO, Brasil. São descritas as principais características deste inseto e os danos por ele causados. Este é o primeiro registro de lagartas do gênero Herminodes causando dano em pupunheiras nos estados do Acre e Rondônia.
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Artrópode; Herminodes sp; Lepidoptera Noctuidae; Campo experimental; Embrapa Acre; Rio Branco (AC); Acre; Projeto Reca; Reca Project; Nova Califórnia (RO); Rondônia; Amazônia Ocidental; Pupunha; Bactris gasipaes; Praga de planta; Artrópoda; Plant pests; Arthropods; Western Amazon; Plagas de plantas; Artrópodos; Amazonia Occidental.
Ano: 2004 URL: http://www.alice.cnptia.embrapa.br/handle/doc/502819
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Puyehue Cordón -Caulle: post-eruption analysis of changes in stream benthic fauna of Patagonia Ecología austral
Lallement,Mailén Elizabeth; Juárez,Santiago Martín; Macchi,Patricio Jorge; Vigliano,Pablo Horacio.
Volcanic eruptions are natural phenomena with the most diverse and varied consequences, and have important effects on both terrestrial and aquatic environments. On June 4th, 2011 the volcanic Puyehue Cordón-Caulle complex (2.236 masl, 40º 32´ S-72º 2´ W, Chile) erupted explosively ejecting on the first day, 950 million metric tons of ashes into the atmosphere. Due to predominant westerly winds, 24 million hectares of Argentinian Patagonia were covered by the ashfall. We studied three streams in northwestern Patagonia in order to explore the ash fall impact and possible recovery processes in water quality and macroinvertebrate communities. We selected three streams representing maximum, intermediate and minimum ash deposition levels. For each stream, we...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Volcanic ash; Impact; Arthropods; Functional feeding groups; Water quality.
Ano: 2014 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1667-782X2014000100008
Registros recuperados: 25
Primeira ... 12 ... Última
 

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