Kuhlmann, Michael, and Alain Pauly. 2010. “New Afrotropical Species of the Bee Subgenus Patellapis (Chaetalictus) With Notes on Additional Species (Hymenoptera: Halictidae)”. Zootaxa 2674 (1). Auckland, New Zealand:33–50. https://doi.org/10.11646/zootaxa.2674.1.3.