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 69. Bombus ( Alpigenobombus ) breviceps Smith ( Figs 140, 141 ) Bombus nasutus Smith, 1852a :44 . Bombus breviceps Smith, 1852a :44 . Bombus laticeps Friese, 1905 :513 . BOMBUS RUFOCOGNITUS Cockerell, 1922 :4 . Material examined. 31 workers (IAB). Distribution in North China . Only in the Qin-Ba mountains in southern Gansu and southern Shaanxi. Common at low to medium elevations of the Baishuijiang nature reserve in southernmost Gansu, and at low elevations of the Qingmuchuan nature reserve in southern Shaanxi. Rare at low to medium elevations of the Micangshan mountains in southern Shaanxi. 8 localities ( Fig. 140 ) between 719–1320 m (IAB). Variation in North China . This species shows strong variation in the colour pattern of the hair across its global distribution ( Hines & Williams, 2012 ). In North China the principal variation is in the relative extent of yellow and black hair on T2 ( Fig. 141 ). Distribution in China . Chongqing, Sichuan, Yunnan, Shaanxi, Gansu (IAB). Forage plants. BUDDLEJACEAE : Buddleja officinalis ; CLUSIACEAE : Hypericum perforatum ; CUCURBITACEAE : Cucumis sativus , Cucurbita moschata ; FABACEAE : Melilotus albus ; LAMIACEAE : Salvia sp., Vitex negundo ; NYCTAGINACEAE : Mirabilis jalapa .