Onuferko, Thomas M., and Molly G. Rightmyer. “A Revision of the Simplex Species Group of the Cleptoparasitic Bee Genus Triepeolus Robertson, 1901 (Hymenoptera: Apidae)”. European Journal of Taxonomy 950, no. 1 (September 2, 2024): 1–106. Accessed April 24, 2026. https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/2643.