The bees of the genus Hylaeus Fabricius 1793 of the Asian part of Russia, with a key to species (Hymenoptera: Apoidea: Colletidae) Author Yu, Maxim Author Dathe, Holger H. text Zootaxa 2012 3401 1 36 journal article 10.5281/zenodo.208438 e751b573-a9e6-44be-be36-ea3ae06d09e4 1175-5326 208438 Hylaeus ( Hylaeus ) sibiricus ( Strand 1909 ) ( Figs 4 b, 6g –h) Prosopis sibirica Strand 1909 : 74 –75, 3 (holotype—3, “Siberia, Smolenschina” [near Irkutsk, Irkutsk Prov., Russia ] [ZMB]). Prosopis sjoestedti Alfken 1936 : 9 –10, Ƥ, 3 (holotype—Ƥ, South Kansu, China [NRS]). Synonymized by Dathe 1986a : 287 . Hylaeus sibiricus : Cockerell 1937 : 5 ; Dathe 1986a : 287 ; 1986b: 37; Quest 2009 : 134 ; Proshchalykin & Quest 2009 : 239 .? Hylaeus communis excurrens Cockerell 1937 : 5 –6, Ƥ (holotype—Ƥ, “Siberia: Smolenschia, near Irkutsk” [Irkutsk Prov., Rus- sia], 17.VIII , leg. T. Cockerell [American Museum of Natural History, New York]); Dathe 1986b : 38. Material examined: 14 Ƥ, 5 3. Russia . Tyva Republic (Uvs-Nuur Lake, 20 km SW Erzina, Tore-Khol Lake, 20 km NW Chadan, 30 km Shagonar); Irkutsk Prov. ( 15 km E Ust'-Ordynskiy); Buryatia (Dzhida); Jewish AP (Radde); Primorskiy Terr. (Lazovskiy Nature Reserve, Khankaiskiy Nature Reserve). Distribution in Russia . *Tyva Republic, Irkutsk Prov., *Buryatia, *Jewish AP, Primorskiy Terr. General distribution. China (Jilin, Gansu), Mongolia , Asian part of Russia .