[1]
Proshchalykin, M.Y. and Dathe, H.H. 2012. The bees of the genus Hylaeus Fabricius 1793 of the Asian part of Russia, with a key to species (Hymenoptera: Apoidea: Colletidae). Zootaxa. 3401, 1 (Jul. 2012), 1–36. DOI:https://doi.org/10.11646/zootaxa.3401.1.1.