Bombus (Subterraneobombus) amurensis Radoszkowski

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 : 24-25

6. Bombus (Subterraneobombus) amurensis Radoszkowski

( Figs 14, 15 )

Bombus Amurensis Radoszkowski, 1862:590 .

Bombus fragrans ssp. mongol Skorikov, 1912:607.

Bombus (Subterraneobombus) chaharensis Yasumatsu, 1940:94 .

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

Material examined. 5 queens, 47 workers, 5 males (IAB).

Distribution in North China. Common at medium elevations of the transition zone between the Yanshan mountains in Hebei and the Neimenggu plateau, and rare at low elevations of the Hulunbeir grassland in northeastern Neimenggu. 9 localities ( Fig. 14 ) between 712–1498 m (IAB).

Similar species in North China. This species is similar in its yellow colour pattern to some yellow B. distinguendus , B. laesus , B. filchnerae and B. anachoreta (see the key; Figs 15 , 19 , 41 , 43 , 47 ). Distribution in China. Hebei, Neimenggu (IAB).

Forage plants. ASTERACEAE : Cosmos bipinnatus , Helianthus annuus ; FABACEAE : Astragalus dahuricus , Vicia amoena , V. cracca ; LAMIACEAE : Leonurus sibiricus .

Figures

FIGURES 14 – 15. 14. Map showing the distribution of B. amurensis 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. 15. B. amurensis worker from Hebei.

FIGURES 18 – 19. 18. Map showing the distribution of B. distinguendus 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. 19. B. distinguendus worker form Neimenggu.

FIGURES 40 – 41. 40. Map showing the distribution of B. laesus 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. 41. B. laesus worker from Neimenggu.

FIGURES 42 – 43. 42. Map showing the distribution of B. filchnerae 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. 43. B. filchnerae worker from Ningxia.

FIGURES 46 – 47. 46. Map showing the distribution of B. anachoreta 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. 47. B. anachoreta worker from Neimenggu.