Hylaeus (Hylaeus) potanini Morawitz, 1890

Hylaeus potanini Morawitz, 1890: 378 –379, ♀, ♂ (lectotype: ♂, designated by Dathe 1986a: 280, “Mongolia: Zagan-Burjuk” [North China], ZISP); Dathe 1986a: 283 (North China); Chen & Xu 2009: 48 (China); Dathe & Proshchalykin 2016: 371 (North China); 2017: 33 (Gansu).

Material examined. CHINA. 1 ♀, 1 ♂, Dаnkhe River, S tо Sасhzhоu, Gаshunskоe Gоbi, 24-27.VII.1895, V. Roborovsky, P. Kozlov ; 1 ♀, oasis Sachzhou, Gashunskoe Gobi, 30.VII.1895; 1 ♀, 1 ♂, idem, 1-3.VIII.1895; 1 ♀, 2 ♂, idem, 4.VIII.1895, V. Roborovsky, P. Kozlov; 6 ♂, 3 ♂, Suleikhe, Sachzhou, Gashun' Gobi, 7.VIII.1895, V. Roborovsky, P. Kozlov; 2 ♀, Czhargalante-Etsingol, Alashan', 18-19.VI.1909, P. Kozlov.

Distribution. Kаzаkhstаn, Mоngоliа, Chinа (Gаnsu, * Inner Mоngоliа).