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Butterflies (Lepidoptera, Papilionoidea and Hesperioidea) of the "Baixada Santista" region, coastal São Paulo, southeastern Brazil Rev. Bras. entomol.
Francini,Ronaldo Bastos; Duarte,Marcelo; Mielke,Olaf Hermann Hendrik; Caldas,Astrid; Freitas,André Victor Lucci.
Butterflies (Lepidoptera, Papilionoidea and Hesperioidea) of the "Baixada Santista" region, coastal São Paulo, southeastern Brazil. A list with 538 species of butterflies recorded in the Baixada Santista, São Paulo ( SE Brazil) is presented. Standard sampling protocols (i.e. with entomological nets) were followed. Baited traps were installed for fruit feeding species. Data from the literature and entomological collections were also considered in the total estimated species richness. The species richness recorded in the Baixada Santista region represents about 16% of the Brazilian butterfly fauna, and 34% of the known butterfly fauna for the state of São Paulo. The present list contains an appreciably higher number of species in comparison to other lists...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atlantic Forest; Conservation; Diversity; Neotropical region.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262011000100010
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Comments on plant-herbivore-parasitoid interactions in two cerrado areas of Southern Brazil Zoologia
Caldas,Astrid; Passos,Fernando de C..
This work describes some interactions between lepidopteran larvae and braconid parasitoids on a group of plants at two sites. There was no significant difference in parasitoid diversity between the sites (Shannon index, p<0.05), and similarity was 62.5%, estimated through Sorensen's index. The diversity of hosts was also not different (p<0.05), but the similarity of host diversity was only 28.5%. This suggests that the parasitoids have strategies for maintaining similar reproduction rates, population densities and communities in areas with different potential hosts.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Braconidae; Diversity; Community; Lepidoptera; Similarity.
Ano: 1996 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751996000200010
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Family composition of Muscoidea communities in adjacent areas of secondary tropical forest and pasture field in Rio de Janeiro, Brazil Zoologia
Caldas,Astrid; Almeida,Josimar Ribeiro de; A'Almeida,José Mario.
The Muscoidea community of two adjacent areas was sampled. For eight months one area was of secondary tropical forest and the other was an open field used for cattle grazing. The main purpose of the study was to investigate if there would be any differences in abundance, family diversity, community composition and bait attractiveness. Results suggest that the change in the environment resulted in a reduction of overall abundance, but not a reduced diversity in terms of families. None of the families was led to a marked decrease or increase, as might be expected in a disturbed environment. The changes observed in the community composition were not significant for the distribution and abundance rank of the families within that community. The environmental...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Muscoidea community; Abundance; Bait attractiveness; Deforestation; Diversity.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751999000300027
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Intraseasonal variation in a population of Fountainea ryphea (Cramer) (Lepidoptera, Nymphalidae) Zoologia
Caldas,Astrid.
A different approach was used for the key-factor method in a population study of the tropical butterfly Fountainea ryphea (Cramer, [1776]) (Lepidoptera, Nymphalidae), marking 20 artificial cohorts to identify the mortality levels and associated instars responsible for the variation in numbers within the season of occurrence, when generations overlap broadly. Highest mortality was detected during first instar in 13 cohorts; during second instar in three cohorts; third and fourth instars suffered highest mortality twice. Results showed that first instar mortality due to rainfall and predation, and parasitism on fourth instar could be the main factors promoting differences in number between cohorts throughout the season, although no density-dependent...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bracon; K-factor; Parasitism; Predation.
Ano: 1996 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751996000200009
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