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Phylogeny of the orchid bees (Hymenoptera: Apinae: Euglossini): DNA and morphology yield equivalent patterns.
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Orchid Bees of forest fragments in Southwestern Amazonia
Bees of the tribe Euglossini are known as orchid-bees. In general, areas with more vegetation cover have greater abundance and diversity of these bees. This study investigated the effects of forest…
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Exaerete lepeletieri (Hymenoptera: Apidae: Apini: Euglossina): a new cleptoparasitic bee from Amazonia
Exaerete lepeletieri sp. n. (Hymenoptera: Apidae: Apini: Euglossina) is described from Amazonia. Its relationships with the other members of the genus are discussed, including a brief phylogenetic…
The impact of agricultural colonization and deforestation on stingless bee (Apidae: Meliponini) composition and richness in Rondônia, Brazil
TLDR
Perhaps the greatest richness of stingless bees ever recorded in the Tropics is reported, collecting 9,555 individuals from 98 species of Stingless bees, ten of these are new species and 16 were first-ever records for Rondônia.
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Record of Parasitoids in nests of social wasps (Hymenoptera: Vespidae: Polistinae)
The aim of this study was to record the parasitoid species found in social wasps nests sampled in different localities in Brazil and investigate the existence of preferential host-parasite…
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Association among wasps' colonies, ants and birds in Central Amazonian
TLDR
This work adds new data to the study of associations of wasp species found in Central Brazilian Amazon, with descriptions of observed behaviors and photographs of such associations.
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Diversity and aspects of the ecology of social wasps (Vespidae, Polistinae) in Central Amazonian "terra firme" forest
TLDR
There is evidence that the diversity of social wasps at the Ducke Reserve is even higher, making it one of the richest areas in the Brazilian Amazonia.
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Patterns of orchid bee species diversity and turnover among forested plateaus of central Amazonia
TLDR
There was a significant decrease in species richness with decreasing size of plateaus, and a significant decreases in the similarity in species composition with greater distance and climatic variation among sampling sites.
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Does the genus Dasymutilla Ashmead occur in South America? The new genus Quwitilla, new combinations, and new distribution records from Neotropical velvet ants (Hymenoptera: Mutillidae).
Nine species of the genus Dasymutilla Ashmead have been recorded from South America. One additional species, D. campogrande Manley Pitts was erroneously recorded from Mexico but is from Brazil, and…
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Revisionary Taxonomy of the American Doryctine Wasp Genus Callihormius Ashmead, 1900 (Hymenoptera: Braconidae)
TLDR
The taxonomy of the American doryctine genus Callihormius is revised, including the type species of the genus, which is considered as “incertae sedis”.
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