Torretta, J.P., Marrero, H.J. and Alsina, A.R. 2011. Chalepogenus roitmani Roig Alsina (Hymenoptera: Apidae: Tapinotaspidini): description of the male and new geographical records for the species. Zootaxa. 2797, 1 (Mar. 2011), 21–24. DOI:https://doi.org/10.11646/zootaxa.2797.1.2.