Kuhlmann, M. and Proshchalykin, M.Y. 2013. The genus Colletes (Hymenoptera: Apoidea: Colletidae) in Central Asia . Zootaxa. 3750, 5 (Dec. 2013), 401–449. DOI:https://doi.org/10.11646/zootaxa.3750.5.1.