NATES-PARRA, G., and ÁNGELA RODRÍGUEZ-C. “Foraging of Melipona Eburnea (Hymenoptera: Apidae) Colonies in the Foothills of the Western Plains (Meta, Colombia)”. Revista Colombiana De Entomología, vol. 37, no. 1, June 2011, pp. 121-7, doi:10.25100/socolen.v37i1.9055.