**Acknowledgement**

We thank A. Azevedo (Biotrópicos- Instituto de Pesquisa em Vida Silvestre) for identifying the bee species, P. Saboya for the critiques on the model, and the farmers of Pontal do Paranapanema and Serro region. We would like to thank F. Takahashi for the critiques on the final manuscript. The Coordination for the Improvement of Higher Education Personel (CAPES) for a PHD fellowship for F.F.G.

We would like to thank the RedeCerrado and Graduate Program in Ecology of the University of Brasília." The name R.B. Machado appears twice. Where it says R.B. Machado refered to the Laboratório de Biologia e Conservação de Mamíferos, it should be L.M.S. Aguiar. Change the adress of T.K.B. Jacobson for: Universidade de Brasília, Campus UnB Planaltina, Área Universitária n.1, Planaltina-DF. Universidade de Brasília, Centro de Estudos UnB Cerrado da Chapada dos Veadeiros
