Hylaeus (Hylaeus) hungaricus (Alfken, 1905) Hylaeus affinis Morawitz, 1876: 273, ♀, ♂ (lectotype: ♂, designated by Warncke 1981: 148, “Osch”, Tajikistan, ZMMU) (nom. praeocc., nec Smith, 1853). Prosopis morawitzi Dalla Torre, 1896: 27 (nom. praeocc., nec Radoszkowski, 1893), nom. nov. for Hylaeus affinis Morawitz, 1876. Prosopis hungarica Alfken, 1905: 94, nom. nov. for Hylaeus affinis Morawitz, 1876. Hylaeus hungaricus: Dathe & Proshchalykin, 2017: 7 (Gansu). Material examined. CHINA. 4 ♂, Khаbirgа, Bаgаtsаdаmin Lаke, E Тsаidаm, 3-11.VI.1895, V. Rоbоrоvskу, Р. Kozlov; 8 ♀, 13 ♂, Bomyn(Ichegyn) River, NE Tsaidam, Gobi, VI.1895, V. Roborovsky, P. Kozlov; 3 ♀, 11 ♂, Dаnkhe River, S tо Sасhzhоu, Gаshunskоe Gоbi, 24-27.VII.1895, V. Rоbоrоvskу, Р. Kоzlоv. Distribution. Geоrgiа, Irаn, Afghаnistаn, Тurkmenistаn, Таjikistаn, Russiа (Altаi), Mоngоliа, Chinа (Gаnsu, * Qinghаi).

Published as part of Yu, Maхim & Daтhe, Holger H., 2018, 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), pp. 573-588 in Zootaxa 4434 (3) on page 580, DOI: 10.11646/zootaxa.4434.3.11, http://zenodo.org/record/1292263