Bombus (Pyrobombus) wangae Williams et al.

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 : 59-60

57. Bombus (Pyrobombus) wangae Williams et al.

( Figs 116, 117 )

Bombus (Pyrobombus) wangae Williams et al., 2009:159 .

Material examined. 1 queen, 24 workers, 88 males (IAB).

Distribution in North China. Primarily at the edge of the east Qinghai-Tibetan plateau in Gansu. Common at medium elevations of the Liancheng nature reserve, the Xinglongshan nature reserve and the Lianhuashan nature reserve in Gansu. Rare at medium to high elevations of the Zhagana nature reserve, at medium elevations of the Xiaolongshan nature reserve and the Baishuijiang natural reserve in Gansu, and at medium elevations of the Taibai nature reserve of the Qinling mountains in Shaanxi. 17 localities ( Fig. 116 ) between 1218–3050 m (IAB).

Similar species in North China. This species is similar in its yellow-grey colour pattern to some B. remotus , B. picipes , B. infrequens and B. modestus (see the key; Figs 63 , 109 , 111 , 115 , 117 ).

Distribution in China. Sichuan, Shaanxi, Gansu, Qinghai (IAB).

Forage plants. APIACEAE : Angelica sp.; ASTERACEAE : Carduus acanthoides , Cirsium japonicum , Ligularia sp., Parasenecio roborowskii , Saussurea sp., Sinacalia tangutica ; LAMIACEAE : Dracocephalum heterophyllum , D. isabellae , Lamium barbatum , Nepeta prattii , Salvia przewalskii , Thymus mongolicus ; MALVACEAE : Alcea rosea , Malva cathayensis ; ONAGRACEAE : Chamerion angustifolium ; POLYGONACEAE : Polygonum viviparum ; RANUNCULACEAE : Aconitum gymnandrum ; SCROPHULARIACEAE : Euphrasia pectinata , Pedicularis spicata .

Figures

FIGURES 116 – 117. 116. Map showing the distribution of B. wangae 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. 117. B. wangae worker visiting Chamerion angustifolium (Onagraceae) in Gansu.

FIGURES 62 – 63. 62. Map showing the distribution of B. remotus 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. 63. B. remotus worker visiting Cirsium leo (Asteraceae) in Gansu.

FIGURES 108 – 109. 108. Map showing the distribution of B. picipes 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. 109. B. picipes queen visiting Cirsium monocephalum (Asteraceae) in Gansu.

FIGURES 110 – 111. 110. Map showing the distribution of B. infrequens 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. 111. B. infrequens worker visiting Buddleja sp. (Buddlejaceae) in Gansu.

FIGURES 114 – 115. 114. Map showing the distribution of B. modestus 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. 115. B. modestus male visiting Echinops sphaerocephalus (Asteraceae) in Neimenggu.