2. Bombus (Mendacibombus) waltoni Cockerell

(Figs 6, 7)

Bombus mendax ssp. chinensis Skorikov, 1910a:330 (not of Morawitz, 1890:352 = B. chinensis (Morawitz) . Bombus waltoni Cockerell, 1910:239 .

Bombus rufitarsus Friese, 1913:85 .

Bombus asellus Friese, 1924:438 .

Material examined. 336 workers, 3 males (IAB).

Distribution in North China. Only on the edge of the east and northeast Qinghai-Tibetan plateau. Common at high elevations of the Qilianshan nature reserve and the Zhagana nature reserve in Gansu. 8 localities (Fig. 6) between 2604–3524 m (IAB).

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

Forage plants. ALLIACEAE: Allium cyaneum; ASTERACEAE: Carduus acanthoides, Olgaea tangutica, Saussurea sp.; GERANIACEAE: Geranium pratense; LAMIACEAE: Salvia przewalskii; RANUNCULACEAE: Aconitum gymnandrum; SCROPHULARIACEAE: Pedicularis kansuensis, Pedicularis sp.