GONZALEZ, V. H., MANTILLA, B., & PALACIOS, E. (2006). Foraging activity of the solitary andean bee, Anthophora walteri (Hymenoptera: Apidae, Anthophorini). Revista Colombiana De Entomología, 32(1), 73–76. https://doi.org/10.25100/socolen.v32i1.9368