The bumblebees of North China (Apidae, Bombus Latreille) Author An, Jiandong Author Huang, Jiaxing Author Shao, Youquan Author Zhang, Shiwen Author Wang, Biao Author Liu, Xinyu Author Wu, Jie Author Williams, Paul H. text Zootaxa 2014 3830 1 1 89 journal article 36819 10.11646/zootaxa.3830.1.1 bee37b6c-7c93-4c85-a3e9-1733eb5acba8 1175-5326 286560 D1B92849-3D00-4C27-809E-15A3B50ECF19 49. Bombus ( Pyrobombus ) hypnorum (Linnaeus) ( Figs 100, 101 ) APIS Hypnorum Linnaeus, 1758 :579 . Bombus calidus Erichson, 1851 :65 . Taxonomy. For a discussion of the taxonomy of this species see Williams et al .(2009). Material examined. 17 queens, 35 workers , 51 males (IAB). Distribution in North China . Primarily in the west Qinling mountains and the Zhongtiaoshan mountains. Common at medium elevations of the Maijishan forest park, the Xiaolongshan nature reserve, the Liancheng nature reserve in Gansu. Rare at medium elevations of the Baishuijiang nature reserve and the Lianhuashan nature reserve in Gansu, at medium elevations of the Liupanshan nature reserve in southern Ningxia, at medium elevations of the Huashan park in Shaanxi, at low to medium elevations of the Wulaofeng nature reserve, and the Lishan nature reserve in southern Shanxi. 18 localities ( Fig. 100 ) between 780–2923 m (IAB). Similar species in North China . This species is similar in its brown colour pattern with a white tail to B. consobrinus and workers of B. festivus (see the key; Figs 37 , 101 , 143 ). Distribution in China . Shanxi, Jilin, Chongqing, Sichuan, Yunnan, Xizang, Shaanxi, Gansu, Qinghai, Ningxia, Xinjiang (IAB). Forage plants. ASTERACEAE : Carduus acanthoides , Cirsium japonicum , Ligularia sp., Parasenecio roborowskii , Stemmacantha uniflora ; APIACEAE : Angelica sp.; BUDDLEJACEAE : Buddleja officinalis ; CAPRIFOLIACEAE : Lonicera elisae ; FABACEAE : Oxytropis ochrocephala , Piptanthus concolor ; LAMIACEAE : Nepeta prattii , Thymus mongolicus , Salvia przewalskii , Salvia sp., Scutellaria scordiifolia ; ONAGRACEAE : Chamerion angustifolium ; ROSACEAE : Cerasus campanulata , Amygdalus davidiana , A. persica , Cerasus tomentosa .