CHAVES-ALVES, TALLES MARQUES, et al. “Ecological Resources Used by Xylocopa Species (Apidae: Xylocopini) in the Urban Area”. Revista Colombiana De Entomología, vol. 37, no. 2, July 2011, pp. 313-7, https://doi.org/10.25100/socolen.v37i2.9094.