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 .