8. Bombus (Subterraneobombus) distinguendus Morawitz

(Figs 18, 19)

Bombus elegans Seidl, 1837:67 . Nomen oblitum (Williams et al., 2011).

Bombus distinguendus Morawitz, 1869:32 . Nomen protectum (Williams et al., 2011).

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

Material examined. 2 workers, 2 males (IAB).

Distribution in North China. Rare at medium elevations of the transition zone between the edge of the east Otindag semi-desert and the southernmost of Great Khingan mountains, in Majiayingzi, Keshiketeng, Neimenggu. 2 localities (Fig. 18) between 1174–1422 m (IAB).

Similar species in North China. This species is similar in its yellow colour pattern to some yellow B. amurensis, B. laesus, B. filchnerae and B. anachoreta (see the key; Figs 15, 19, 41, 43, 47).

Distribution in China. Neimenggu (IAB).

Forage plants. ASTERACEAE: Helianthus annuus .