Hylaeus (Prosopis) variegatus (Fabricius, 1798) Mellinus variegatus Fabricius, 1798: 265, ♀ (syntypes: ♀♀, Europe, ZMUC). Mellinus labiatus Fabricius, 1798: 267, ♂ (type locality: Europe, ZMUC). Philanthus analis Fabricius, 1804: 307, ♀ (type locality: Morocco, ZMUC). Prosopis colorata Panzer, 1805: pl. 89, fig. 14, ♀ (type locality: Germany, MNHU). Prosopis coriacea Pérez, 1895: 63, ♀, ♂ (type locality: Barbarie, MNHN). Prosopis variegata var. obscura Höppner, 1901: 239, ♂ (type locality: Germany, MNHU). Prosopis variegata var. integra Alfken, 1904: 322, ♀, ♂ (type locality: S France, MNHU). Hylaeus hookeri Cockerell, 1931: 534, ♀, ♂ (type locality: Asni; Ifrane, Morocco, BMNH). Prosopis impressifrons Gussakovskij, 1932: 66, ♂ (type locality: Primorskiy Terr., Russia, NHRS). Prosopis rufithorax Alfken, 1933: 47, ♀ (type locality: Morocco, MNHU). Prosopis variegata relicta Warncke, 1981: 158 –159, ♀, ♂ (type locality: Lato b. Agias Nikolaos, Crete, OLBL). Hylaeus variegatus: Chen & Xu 2009: 50 (Hebei); Proshchalykin & Dathe 2012: 28 (Hebei); Dathe & Proshchalykin 2016: 376 (Hebei); Proshchalykin 2017b: 262 (North China). Hylaeus variagatus (!): Wu 1965: 28 (Hebei). Material examined. CHINA. 4 ♂, Suleikhe River, neаr Sасhzhоu, Gаshunskоe Gоbi, 7.VIII.1895, V. Rоbоrоvskу, P. Kozlov; 1 ♂, Bugas, near Khami, 1.IX.1895; 1 ♂, idem, 3-5.IX.1895, V. Roborovsky, P. Kozlov; 3 f #, Karatyube, W to Khami, 15.IX.1895, V. Roborovsky, P. Kozlov; 5 ♂, Dyn-yuan' -in, N Alashan', 10-11.VI.1908, P. Kozlov; 1 ♀, Sinin-khe River valley, E Nan'shan', 26-28.VII.1908, P. Kozlov. Distribution. Eurоpe, Nоrth Afriса (Тunisiа, Algeriа, Mоrоссо), Armeniа, Azerbаijаn, Тurkeу, Sуriа, Lebаnоn, Irаn, Kаzаkhstаn, Uzbekistаn, Kуrgуzstаn, Тurkmenistаn, Таjikistаn, Russiа, Mоngоliа, Chinа (* Gаnsu, Hebei, * Inner Mоngоliа, *Хinjiаng,).

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 584, DOI: 10.11646/zootaxa.4434.3.11, http://zenodo.org/record/1292263