34. Bombus (Thoracobombus) atripes Smith

(Figs 70, 71)

Bombus atripes Smith, 1852a:44 .

Material examined. 11 workers (IAB).

Distribution in North China. Only in the Qin-Ba mountains in southern Shaanxi. Rare at low to medium elevations of the Changqing nature reserve of the Qinling mountains, and at low elevations of the Micangshan mountains in southern Shaanxi. 7 localities (Fig. 70) between 272–1137 m (IAB).

Similar species in North China. This species is similar in its brown colour pattern to B. pascuorum, schrencki, B. hedini and B. tricornis (see the key; Figs 55, 57, 59, 69, 71).

Distribution in China. Chongqing, Shaanxi (IAB).

Forage plants. ARALIACEAE: Aralia chinensis; LYTHRACEAE: Lagerstroemia indica; SAXIFRAGACEAE: Astilbe chinensis .