Sheffield, Cory S., Lars Vilhelmsen, and Frederique Bakker. 2021. “Taxonomy of the New World Bee Genus Agapostemon Guérin-Méneville – New Names and Synonymies (Hymenoptera: Halictidae)”. European Journal of Taxonomy 751 (1):1–23. https://doi.org/10.5852/ejt.2021.751.1375.