Kuhlmann, Michael, and Maxim Yu. Proshchalykin. 2014. “New and Little Known Bees of the Genus Colletes Latreille 1802 (Hymenoptera: Colletidae) from Central Asia”. Zootaxa 3846 (4). Auckland, New Zealand:591–596. https://doi.org/10.11646/zootaxa.3846.4.8.