Engel, Michael S. “A New Species of the Bee Genus Chlerogella From Panama (Hymenoptera: Halictidae)”. Zootaxa 286, no. 1 (September 5, 2003): 1–4. Accessed June 8, 2025. https://www.mapress.com/zt/article/view/zootaxa.286.1.1.