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) Author Yu, Maхim Author Daтhe, Holger H. text Zootaxa 2018 2018-06-18 4434 3 573 588 journal article 29867 10.11646/zootaxa.4434.3.11 9821a4a5-b192-48ac-a98a-86241400cb02 1175-5326 1292263 096CAD80-4176-4C2E-AEEE-7D4B5B991479 Hylaeus ( Hylaeus ) communis Nylander, 1852 Hylaeus communis Nylander, 1852 : 234 , ♀, ♂ (syntypes: ♀♀, ♂♂, Gallia, MZHF). Prosopis ciliata Eversmann, 1852 : 53 , ♀ , ♂ ( type locality: Orenburg ; Simbirsk ; Kasan , Russia , ZISP ). Hylaeus alienatus Förster, 1871 : 932 , ♂ ( type locality: Aachen , Germany , MNHN ). Hylaeus marginatus Förster, 1871 (nom. praeocc., nec Thomson, 1870 ): 1016, ♀ (type locality: not stated, MNHN). Hylaeus ebeninus Förster, 1871 : 1053 , ♀ ( type locality: Austria , MNHN ). Hylaeus nigricornis Förster, 1871 (nom. praeocc., nec Schenck, 1853 ): 1057, ♀ (type locality: Aachen, Germany, MNHN). Hylaeus nitidulus Förster, 1871 (nom. praeocc., nec Fabricius, 1804 ): 1058, ♀ (type locality: Germany, MNHN). Prosopis rupestris Smith, 1872 : 103 , ♀ ( type locality: Sidmouth , England , BMNH ). Prosopis annulata var. tristis Dalla Torre, 1877 : 186 , ♀ ( type locality: Tirol , Austria , IZUI ). Prosopis foersteri Dalla Torre & Friese, 1895 : 23 , nom. nov. for Hylaeus nitidulus Förster, 1871 . Prosopis annulata var. nigrifacies Alfken, 1913 : 12 , 18, ♀ ( type locality: Bremen , Germany , MNHU ). Prosopis communis var. reiecta F.K. Stoeckhert, 1954 : 22 , ♀ ( type locality: Forchheim , Germany , ZSM ). Prosopis communis cretica Warncke, 1981 : 174 , ♂ ( type locality: Crete , Greece , OLBL ). Material examined. CHINA . 6 ♀ , 7 ♂ , Dаnkhe River , S Sасhzhоu, Gаshun' Gоbi , 24-27.VII.1895 , V. Roborovsky , P. Kozlov ; 1 ♀, 5 ♂, oasis Sachzhou, Gashunskoe Gobi, 30.VII.1895 ; 1 ♀, 2 ♂, idem, 1-3.VIII.1895 ; 1 ♀, 1 ♂, idem, 4.VIII.1895 , V. Roborovsky, P. Kozlov; 3 ♂ , Suleikhe River , near Sachzhou, Gashunskoe Gobi, 7.VIII.1895 , V. Roborovsky , P. Kozlov ; 1 ♂ , Karatyube , W to Khami , 15.IX. 1 895, V. Roborovsky , P. Kozlov. Distribution. Eurоpe, Nоrth Afriса ( Тunisiа , Mоrоссо), Azerbаijаn , Тurkeу, Lebаnоn , Irаn , Kаzаkhstаn , Тurkmenistаn , Russiа , * Chinа ( Gаnsu , Хinjiаng). Intrоduсed tо Quebeс, Cаnаdа ( Mаrtins et al . 2017 ).