68. Bombus (Alpigenobombus) grahami (Frison)

(Figs 138, 139)

Bremus (Alpigenobombus) grahami Frison, 1933:334 .

Material examined. 12 workers, 2 males (IAB).

Distribution in North China. Only in the Qin-Ba mountains in southern Gansu and southern Shaanxi. Rare at medium elevations of the Maijishan forest park and the Baishuijiang nature reserve in Gansu, at medium elevations of the Zhouzhi nature reserve, the Taibai nature reserve, and the Niubeiliang nature reserve in Shaanxi. 7 localities (Fig. 138) between 1284–2026 m (IAB).

Distribution in China. Chongqing, Sichuan, Yunnan, Shaanxi, Gansu (IAB).

Forage plants. ASTERACEAE: Cirsium leo, Cosmos bipinnatus; BUDDLEJACEAE: Buddleja officinalis; RANUNCULACEAE: Anemone tomentosa .