Bombus (Alpigenobombus) grahami (Frison)

An, Jiandong, Huang, Jiaxing, Shao, Youquan, Zhang, Shiwen, Wang, Biao, Liu, Xinyu, Wu, Jie & Williams, Paul H., 2014, The bumblebees of North China (Apidae, Bombus Latreille), Zootaxa 3830 (1), pp. 1-89 : 69

68. Bombus (Alpigenobombus) grahami (Frison)

( Figs 138, 139 )

Bremus (Alpigenobombus) grahami Frison, 1933:334 .

Material examined. 12 workers, 2 males (IAB).

Distribution in North China. Only in the Qin-Ba mountains in southern Gansu and southern Shaanxi. Rare at medium elevations of the Maijishan forest park and the Baishuijiang nature reserve in Gansu, at medium elevations of the Zhouzhi nature reserve, the Taibai nature reserve, and the Niubeiliang nature reserve in Shaanxi. 7 localities ( Fig. 138 ) between 1284–2026 m (IAB).

Distribution in China. Chongqing, Sichuan, Yunnan, Shaanxi, Gansu (IAB).

Forage plants. ASTERACEAE : Cirsium leo , Cosmos bipinnatus ; BUDDLEJACEAE : Buddleja officinalis ; RANUNCULACEAE : Anemone tomentosa .

Figures

FIGURES 138 – 139. 138. Map showing the distribution of B. grahami in North China with records as black spots, the province boundaries in dark grey, and all sites with records of all bumblebee species in light grey. 139. B. grahami worker from Gansu.