38. Bombus (Bombus) lucorum (Linnaeus) s. l.

(Fig. 41)

APIS lucorum Linnaeus, 1761:425, lectotype male (Day, 1979:66) LSL examined. Sweden. Bombus (Bombus) terrestris ssp. minshanicola Bischoff, 1936:2, type not seen. Regarded as conspecific with Bombus lucorum (Linnaeus) by Krüger (1951). China: Gansu.

Taxonomy: this is a complex of morphologically very similar taxa that cannot at present be diagnosed reliably for all individuals (Williams et al., 2009).

Material examined. 6 queens 84 workers 69 males (IAB).

Distribution in Gansu. Abundant at medium to high elevations of the western mountains and Qinghai-Tibetan plateau in the southwest, common at medium elevations of the southeastern mountains (Fig. 41); 20 localities between 1506 and 4011 m (IAB).

Distribution in China. Hebei, Shanxi, Neimenggu, Sichuan, Yunnan, Xizang, Gansu, Qinghai, Ningxia, Xinjiang (IAB).

Forage plants. ALLIACEAE: Allium senescens; APIACEAE: Angelica sp.; ASTERACEAE: Anaphalis lactea, Aster farreri, Carduus crispus, Cirsium japonicum, Cosmos bipinnatus, Helianthus annuus, Ligularia przewalskii, Ligularia sp., Parasenecio roborowskii, Picris hieracioides, Saussurea gossypiphora, S. purpurascens, Saussurea sp., Stemmacantha uniflora; BUDDLEJACEAE: Buddleja officinalis; CRASSULACEAE: Sedum sp.; FABACEAE: Astragalus sp., Lathyrus pratensis, Oxytropis kansuensis, O. ochrocephala, Oxytropis sp.; GENTIANACEAE: Gentiana straminea; LAMIACEAE: Nepeta prattii, Phlomis umbrosa, Salvia przewalskii, Thymus mongolicus; MALVACEAE: Althaea rosea; ONAGRACEAE: Epilobium angustifolium; POLYGONACEAE: Polygonum macrophyllum, P. viviparum; RANUNCULACEAE: Anemone rivularis; ROSACEAE: Sorbaria arborea; SCROPHULARIACEAE: Pedicularis kansuensis, P. t or t a, Pedicularis sp., Veronica sp.