GONZALEZ, V. H.; MANTILLA, B.; PALACIOS, E. Foraging Activity of the Solitary Andean Bee, Anthophora Walteri (Hymenoptera: Apidae, Anthophorini). Rev. Colomb. Entomol. 2006, 32 (1), 73-76. https://doi.org/10.25100/socolen.v32i1.9368.