PROSHCHALYKIN, M. Y.; KUHLMANN, M. The bees of the genus Colletes Latreille 1802 of the Ukraine, with a key to species (Hymenoptera: Apoidea: Colletidae). Zootaxa, Auckland, New Zealand, v. 3488, n. 1, p. 1–40, 2012. DOI: 10.11646/zootaxa.3488.1.1. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.3488.1.1. Acesso em: 4 jul. 2025.