58. Bombus (Bombus) sporadicus Nylander (Figs 118, 119) Bombus sporadicus Nylander, 1848:233. Bombus (Terrestribombus) terrestris czerskianus Vogt, 1911:56. Taxonomy. Revised by Williams et al. (2012b). Material examined. 5 workers, 3 males (IAB). Distribution in North China. Rare at low elevations of the northernmost Great Khingan mountains in northeastern Neimenggu. 4 localities (Fig. 118) between 621–776 m (IAB). Similar species in North China. This species is similar in its yellow-banded colour pattern to B. lantschouensis (see the key; Figs 119, 127). Distribution in China. Neimenggu, Jilin, Heilongjiang (IAB). Forage plants. ASTERACEAE: Hieracium umbellatum, Serratula coronata; ONAGRACEAE: Chamerion angustifolium; RANUNCULACEAE: Aconitum kusnezoffii; ROSACEAE: Spiraea salicifolia.

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 60-61, DOI: 10.11646/zootaxa.3830.1.1, http://zenodo.org/record/286560