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Diversity and abundance of orchid bees (Hymenoptera: Apidae, Euglossini) in a tropical rainforest succession

DOI: 10.1590/S1519-566X2009000100006

Keywords: euglossa, eulaema, eufriesea, exaerete, jaccard index, s?rensen index.

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Abstract:

euglossine bee males are easily lured to chemical baits imitating natural fragrances gathered by bees, providing a widely applied measure for estimating the diversity and abundance of euglossines. in here, i report the composition of euglossine bees in three lowland rainforest habitats of peru, a primary old forest, a reforested and managed forest, and a very disturbed forest. a total of 2,072 males of euglossine were collected, belonging to 33 species and four genera. although a comparable diversity relative to other studies from the amazonian region was found, no significant differences among the sampled areas were detected. perhaps, the short time and low intensity surveys here used (< 3 months) were not good enough indicators of forest disturbance without additional data. compared to other major studies on the euglossine bee fauna, loreto is most similar to the species assemblage reported from lowland rainforest in brazil (manaus), central peru (panguana) and southern peru (tambopata).

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