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No Evidence of Habitat Loss Affecting the Orchid Bees Eulaema nigrita Lepeletier and Eufriesea auriceps Friese (Apidae: Euglossini) in the Brazilian Cerrado Savanna

  • Ecology, Behavior and Bionomics
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Abstract

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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Acknowledgments

The authors would like to thank Prof. Dr. André Nemésio for the confirmation of the species identities. The authors are also grateful to Dário P. Silva Júnior, Mírian Cristina de Almeida, and Fábio Martins Vilar de Carvalho who helped in the field campaigns. DPS received a doctorate scholarship from CNPq—Conselho Nacional de Desenvolvimento Científico e Tecnológico (147204/2010-0). PDMJ has been continuously supported by several productivity grants from CNPQ. DPS and PDMJ thank the financial support obtained from CNPq (477639/2010-0), Fundação “O Boticário” de Proteção à Natureza (0880/2010-2), and Whitley Wildlife Conservation Trust.

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Silva, D.P., De Marco, P. No Evidence of Habitat Loss Affecting the Orchid Bees Eulaema nigrita Lepeletier and Eufriesea auriceps Friese (Apidae: Euglossini) in the Brazilian Cerrado Savanna. Neotrop Entomol 43, 509–518 (2014). https://doi.org/10.1007/s13744-014-0244-7

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