Proshchalykin, M. Y.; Dathe, H. H.

In the Footsteps of History: the Bees of the Genus Hylaeus Fabricius (Hymenoptera, Apoidea: Colletidae) Collected by V.I. Roborovsky and P.K. Kozlov in Northwest China (1895–1926)

. Zootaxa 2018, 4434, 573–588.