Kuhlmann M, Gess FW, Koch F, Gess SK. Southern African osmiine bees: taxonomic notes, two new species, a key to Wainia, and biological observations (Hymenoptera: Anthophila: Megachilidae). Zootaxa [Internet]. 2011 Nov. 24 [cited 2025 May 3];3108(1):1–24. Available from: https://www.mapress.com/zt/article/view/zootaxa.3108.1.1