2. Bombus (Mendacibombus) waltoni Cockerell (Figs 6, 7) Bombus mendax ssp. chinensis Skorikov, 1910a:330 (not of Morawitz, 1890:352 = B. chinensis (Morawitz). Bombus waltoni Cockerell, 1910:239. Bombus rufitarsus Friese, 1913:85. Bombus asellus Friese, 1924:438. Material examined. 336 workers, 3 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 the Zhagana nature reserve in Gansu. 8 localities (Fig. 6) between 2604–3524 m (IAB). Distribution in China. Sichuan, Xizang, Gansu, Qinghai (IAB). Forage plants. ALLIACEAE: Allium cyaneum; ASTERACEAE: Carduus acanthoides, Olgaea tangutica, Saussurea sp.; GERANIACEAE: Geranium pratense; LAMIACEAE: Salvia przewalskii; RANUNCULACEAE: Aconitum gymnandrum; SCROPHULARIACEAE: Pedicularis kansuensis, Pedicularis sp.

Published as part of 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), pp. 1-89 in Zootaxa 3830 (1) on pages 21-22, DOI: 10.11646/zootaxa.3830.1.1, http://zenodo.org/record/286560