7. Bombus (Subterraneobombus) subterraneus (Linnaeus)

(Figs 16, 17)

APIS ∫ubterranea [subterranea] Linnaeus, 1758: 579.

Megabombus (Subterraneobombus) subterraneus dlabolai Tkalců, 1974a:47 .

Taxonomy. Revised by Williams et al. (2011).

Material examined. 1 male (IAB).

Distribution in North China. Very rare at low elevations of the Moerdaoga forest park in northeastern Neimenggu, the transition zone between the Hulunbeir grassland and the Great Khingan mountains forests. 1 locality (Fig. 16) at 618 m (IAB).

Variation in North China. This species shows strong variation in the colour pattern of the hair across its global distribution (Williams et al., 2011), but shows little variation in North China (Fig. 17).

Similar species in North China. This species is similar in its grey colour pattern to B. exil (see the key; Figs 17, 67).

Distribution in China. Neimenggu, Xinjiang (IAB).

Forage plants. No records.