Bombus (Subterraneobombus) personatus Smith

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 : 22

3. Bombus (Subterraneobombus) personatus Smith

( Figs 8, 9 )

Bombus personatus Smith, 1879:132 .

Bombus Roborowskyi Morawitz, 1887:197 .

Taxonomy. Revised by Williams et al. (2011).

Material examined. 13 workers, 2 males (IAB).

Distribution in North China. Only on the edge of the east and northeast Qinghai-Tibetan plateau. Common at high elevations of the Qilianshan nature reserve, and rare at high elevations of the Gahai nature reserve in Gansu. 7 localities ( Fig. 8 ) between 2659–3656 m (IAB).

Similar species in North China. This species can be similar in its black- and yellow-banded colour pattern to B. difficillimus (see the key; Figs 9 , 13 ).

Distribution in China. Xizang, Gansu, Qinghai (IAB).

Forage plants. ASTERACEAE : Saussurea sp., Tephroseris pseudosonchus ; CAMPANULACEAE : Adenophora polyantha ; FABACEAE : Hedysarum tanguticum , Oxytropis ochrocephala ; GERANIACEAE : Geranium pylzowianum ; LAMIACEAE : Caryopteris mongholica .; ROSACEAE : Rubus sp.; SCROPHULARIACEAE : Pedicularis chinensis , P. kansuensis .

Figures

FIGURES 8 – 9. 8. Map showing the distribution of B. personatus 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. 9. B. personatus worker visiting Oxytropis ochrocephala (Fabaceae) in Gansu.

FIGURES 12 – 13. 12. Map showing the distribution of B. difficillimus in North China with record as black spot, the province boundaries in dark grey, and all sites with records of all bumblebee species in light grey. 13. B. difficillimus worker from Gansu.