9. Bombus (Megabombus) supremus Morawitz

(Fig. 12)

Bombus supremus Morawitz, 1887:196, holotype queen ZISP not found (Y. Pesenko, in litt.). China: Qinghai.

Bombus linguarius Morawitz, 1890:351, holotype worker ZISP examined. Synonymised provisionally with Bombus supremus Morawitz by Williams (1998), confirmed by Williams et al. (2009). China: ‘Kan-ssu’, probably Qinghai.

Material examined. 7 workers (IAB).

Distribution in Gansu. Common at medium to high elevations of the Qinghai-Tibetan plateau in the southwest and northwestern Qilianshan mountains (Fig. 12); 4 localities between 2874 and 3386 m (IAB).

Distribution in China. Gansu, Qinghai (IAB).

Forage plants. ALLIACEAE: Allium cyaneum; GERANIACEAE: Geranium pratense; RANUNCULACEAE: Aconitum gymnandrum, Delphinium grandiflorum; SCROPHULARIACEAE: Pedicularis kansuensis .