Bombus (Thoracobombus) schrencki
B. schrencki is found from Wigry (NE. Poland) (Krzysztofiak, 1992) through the whole Russian and Siberian taiga, to the Pacific coast, Kamchatka, Japan, Sakhalin and Kuril Is. It could be a common species locally as Mänd et al. (1999) found B. schrencki profusely in several locations in Estonia, in natural surroundings as in cultivated areas.