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 7. Bombus ( Megabombus ) trifasciatus Smith s. l. ( Fig. 10 ) Bombus trifasciatus Smith, 1852a :43 , lectotype queen ( Williams, 1991:52 ) BMNH examined. China : Zhejiang. Bombus ningpoënsis Friese, 1909 :676 , type not seen. Synonymised with Bombus trifasciatus Smith by Tkalců (1961) . China : Zhejiang. Bombus (Diversobombus) ningpoensis ssp. minshanicus Bischoff, 1936 :19, lectotype worker ( Williams, 1991:52 ) MNHU examined. Synonymised with Bombus trifasciatus Smith by Williams (1991) . China : Gansu. Taxonomy: see Williams et al. (2009) . Material examined. 104 workers (IAB). Distribution in Gansu. Common at low to medium elevations of the southern and southeastern mountains ( Fig. 10 ); 13 localities between 719 and 1770 m (IAB). Distribution in China . Anhui, Fujian, Henan, Guangdong, Chongqing, Sichuan, Yunnan, Shaanxi, Gansu (IAB). Forage plants. ASTERACEAE : Arctium lappa , Cosmos bipinnatus , Dahlia pinnata , Erigeron annuus , Helianthus annuus ; BUDDLEJACEAE : Buddleja officinalis ; CONVOLVULACEAE : Pharbitis nil ; CUCURBITACEAE : Cucumis sativus , Cucurbita moschata , Thladiantha dubia ; LAMIACEAE : Caryopteris divaricata , Leonurus artemisia , Vitex negundo ; MALVACEAE : Althaea rosea ; NYCTAGINACEAE : Mirabilis jalapa ; SOLANACEAE : Capsicum annuum , Solanum septemlobum .