29. Bombus (Psithyrus) skorikovi (Popov)

(Fig. 32)

Psithyrus skorikovi Popov, 1927a:267, holotype female ZISP examined. China: Qinghai.

Psithyrus (Fernaldaepsithyrus) gansuensis Popov, 1931:202, holotype male ZISP examined. Synonymy with Psithyrus skorikovi Popov suggested by Popov (1931), confirmed by Williams et al. (2009). China: Qinghai.

Psithyrus (Fernaldaepsithyrus) kuani Tkalců, 1961:362, holotype female BT examined. Synonymised provisionally with Bombus skorikovi (Popov) by Williams (1998), confirmed by Williams et al. (2009). China: Qinghai.

Material examined. 1 female (PHW).

Distribution in Gansu. Rare at high elevations of the Qinghai-Tibetan plateau in the southwest (Fig. 32); 1 locality between 3000 and 3700 m (PHW).

Distribution in China. Sichuan, Gansu, Qinghai, Ningxia (IAB).

Forage plants. No records.