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 .