( Figs 2 i, 15 e –f, 24 c –d)
Colletes impunctatus Nylander 1852: 249 ( type locality: North Sweden); Noskiewicz 1936: 433; Elfving 1968: 10; Osytshnjuk et al. 1978: 298; Sitdikov 1986: 104; Proshchalykin 2007: 878; Proshchalykin & Kupianskaya 2005: 4; Kuhlmann & Proshchalykin 2011: 16; 2013 a: 431; 2013 b: 463; Niu et al. 2013 b: 106.
Colletes alpinus Morawitz 1872: 373 –374, ♀, ♂ ( type locality: Alps, Austria).
Material examined. Russia. Kaliningrad Prov.: 1 ♂, 1 ♀, Rybachii, Kurshskaya Kosa [ 20 ° 50 'E 55 °09'N], 4.VI. 1911; 3 ♂, 18.VI. 1911 (Transvaal Museum, Pretoria); 1 ♀, 19.VI. 1918, Warncke’s coll. ( OÖLM).
Distribution in Russia ( Fig. 2 i). Kaliningrad Prov., Karelia Republic, Udmurtia Republic, Siberia, Far East. General distribution. Norway, Sweden, Netherlands, France, Denmark, Germany, Switzerland, Austria, Finland, Poland, Czech Republic, Italy, Russia, Kazakhstan, Mongolia, China [Inner Mongolia].