Roig-Alsina, A. “A Revision of the South American Bee Genus Leptometriella Roig-Alsina (Hymenoptera, Apidae, Emphorini)”. Zootaxa 1688, no. 1 (January 23, 2008): 20–36. Accessed April 18, 2025. https://mapress.com/zt/article/view/zootaxa.1688.1.2.