The bumblebees of Gansu, Northwest China (Hymenoptera, Apidae) Author An, Jiandong Author Williams, Paul H. Author Zhou, Bingfeng Author Miao, Zhengying Author Qi, Wenzhong text Zootaxa 2011 2865 1 36 journal article 10.5281/zenodo.204407 edb85fb3-1682-4a1b-9252-eba9ee0b9706 1175-5326 204407 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 .