3. Bombus (Subterraneobombus) personatus Smith

(Fig. 6)

Bombus personatus Smith, 1879:132, lectotype queen (Richards, 1930:656) BMNH examined. India. Bombus Roborowskyi Morawitz, 1887:197, syntype queen ZISP examined. Synonymised with Bombus personatus Smith by Williams (1991). China: Qinghai.

Material examined. 11 workers 2 males (IAB).

Distribution in Gansu. Common at medium to high altitudes of the northwestern Qilianshan mountains and the Qinghai-Tibetan plateau in the southwest (Fig. 6); 5 localities between 2753 and 3656 m (IAB).

Distribution in China. Gansu, Qinghai (IAB).

Forage plants. ASTERACEAE: Saussurea sp.; CAMPANULACEAE: Adenophora polyantha; FABACEAE: Hedysarum tanguticum, Oxytropis ochrocephala; GERANIACEAE: Geranium pylzowianum; LAMIACEAE: Caryopteris mongholica .; ROSACEAE: Rubus sp.; SCROPHULARIACEAE: Pedicularis chinensis, P. kansuensis .