Colletes impunctatus Nylander 1852

(Figs 2 i, 15e–f, 24c–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; 2013a: 431; 2013b: 463; Niu et al. 2013b: 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].