No evidence of habitat loss affecting the orchid bees Eulaemanigrita lepeletier and Eufriesea auricepsfriese (Apidae: Euglossini) in the brazilian cerrado savanna
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Data
2014-10
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Sociedade Entomológica do Brasil
Resumo
Habitat loss, landscape fragmentation, and agriculture intensification constitute the main threats to bees. As the organisms responsible for almost one third of the food produced worldwide, there are growing concerns on bees’ response to human-related disturbances. Among all bee groups, orchid bees (Apidae: Euglossini) compose an interesting group to test landscape-related hypotheses. In here, we tested the effect of landscape features (amount of anthropic areas and isolation) on the probability of
occurrence and the abundances of both Eulaema nigrita Lepeletier and Eufriesea auriceps Friese in the Cerrado savanna. In general, we did not observe any effect of landscape features on the probability of occurrence and abundances of both species in our sampling sites. Given their potential high dispersal abilities, these bee species may be less sensitive to fragmented landscapes or even positively affected by the increase of anthropic habitats. Since we sampled many E. nigrita specimens in highly preserved Cerrado savanna areas, we believe that at least for this biome, this species may not be a good indicator of landscape disturbance.
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Palavras-chave
Disturbed areas, Euglossine bees, Fragmentation, Generalist bee species, Indicator species, Landscape change
Citação
SILVA, D. P.; DE MARCO JR., P. No evidence of habitat loss affecting the orchid bees Eulaemanigrita lepeletier and Eufriesea auricepsfriese (Apidae: Euglossini) in the brazilian cerrado savanna. Neotropical Entomology, Londrina, v. 43, n. 6, p. 509-518, Oct. 2014.