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 49. Bombus ( Melanobombus ) sichelii Radoszkowski ( Fig. 52 ) BOMBUS SICHELII Radoszkowski, 1860 :481 , lectotype queen ( Tkalců, 1974a:34 ) MNHU examined. Russia : Kamchatskaya Oblast’. Bombus sicheli f. uniens Vogt, 1909 :62 , 26 queen 94 worker syntypes ZMA examined. ‘Zentralasien’, probably Mongolia . Bombus sicheli ssp. chinganicus Reinig, 1936 :6 (not of Reinig, 1936 :8 = B. bohemicus Seidl ), type not seen. China : Neimenggu. Material examined. 107 workers 10 males (IAB). Distribution in Gansu. Common at low to high elevations of the eastern loess plateau and Qinghai-Tibetan plateau in the southwest; rare at low to medium elevations of the southeastern and western mountains ( Fig. 52 ); 18 localities between 1506 and 3454 m (IAB). Distribution in China . Hebei, Shanxi, Neimenggu, Jilin, Heilongjiang, Sichuan, Gansu, Qinghai, Ningxia (IAB). Forage plants. FABACEAE : Melilotus officinalis , Vicia unijuga ; GENTIANACEAE : Halenia elliptica ; LAMI- ACEAE: Caryopteris incana , C. tangutica , Dracocephalum heterophyllum , Salvia przewalskii , Salvia sp.; RANUN- CULACEAE: Cosmos bipinnatus , Saussurea sp.; SCROPHULARIACEAE : Euphrasia pectinata , Pedicularis torta , Pedicularis sp.