Torretta, Juan Pablo, Hugo J. Marrero, and Arturo Roig Alsina. 2011. “Chalepogenus Roitmani Roig Alsina (Hymenoptera: Apidae: Tapinotaspidini): Description of the Male and New Geographical Records for the Species”. Zootaxa 2797 (1). Auckland, New Zealand:21–24. https://doi.org/10.11646/zootaxa.2797.1.2.