CHAVES-ALVES, T. M.; JUNQUEIRA, C. N.; SOUZA-RABELO, L.; MACEDO DE OLIVEIRA, P. E. A.; AUGUSTO, S. C. Ecological Resources Used by Xylocopa Species (Apidae: Xylocopini) in the Urban Area. Rev. Colomb. Entomol. 2011, 37, 313-317.