Bombus (Bombus) lantschouensis Vogt

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), Zootaxa 3830 (1), pp. 1-89 : 63-64

62. Bombus (Bombus) lantschouensis Vogt

( Figs 126, 127 )

Bombus lucorum var. lan-tschóuensis Vogt, 1908:101. Bombus vasilievi Skorikov, 1913:172 .

Bombus lucorum ssp. beickianus Bischoff, 1936:2. Bombus lucorum ssp. pseudosporadicus Bischoff, 1936:2.

Taxonomy. Revised by Williams et al. (2012a, b). This species has been confused with B. patagiatus .

Material examined. 20 queens, 1981 workers, 485 males (IAB).

Distribution in North China. Widely distributed within North China, especially along the dry region of southern edge of Neimenggu plateau. Abundant at medium elevations of the Helanshan mountains, the Liupanshan mountains and the Luoshan mountains in Ningxia. Common at medium elevations of the Bashang plateau between northern Hebei and southern Neimenggu, at medium elevations of the Lvliangshan mountains in Shanxi, at medium elevations of the Mu Us semi-desert edge between in southern Neimenggu and northern Ningxia and northern Shaanxi, at low to medium elevations of the south Great Khingan mountains and low elevations of the Nenjiang river valley in northeastern Neimenggu, at medium to high elevations of the Qilianshan mountains in northwestern Gansu, and at medium elevations of the loess plateau in eastern Gansu. Rare at low elevations of the Moerdaoga forest park, the transition zone between the Hulunbeir grassland and the Great Khingan mountains forests in northeastern Neimenggu, at medium elevations of the Yanshan mountains in Beijing, at medium elevations of the Taihangshan mountains in Shanxi and Hebei, and at medium to high elevations of the grasslands of the east Qinghai-Tibetan plateau in Gansu. 195 localities ( Fig. 126 ) between 215–3386 m (IAB).

Similar species in North China. This species is similar in its yellow-banded colour pattern to B. sporadicus (see the key; Figs 119, 127).

Distribution in China. Beijing, Hebei, Shanxi, Neimenggu, Heilongjiang, Shaanxi, Gansu, Qinghai, Ningxia (IAB).

Forage plants. ASTERACEAE : Cirsium leo , C. japonicum , Cosmos bipinnatus , Dahlia pinnata , Helianthus annuus , Saussurea parviflora , S. purpurascens , Serratula coronata , Sonchus oleraceus , Xanthopappus subacaulis , Zinnia elegans , Z. peruviana ; BALSAMINACEAE : Impatiens balsamina ; BORAGINACEAE : Symphytum officinale ; BRASSICACEAE : Brassica rapa , Erysimum amurense ; CAMPANULACEAE : Adenophora polyantha , Platycodon grandiflorus ; CRASSULACEAE : Phedimus aizoon ; CUCURBITACEAE : Benincasa hispida , Cucurbita moschata , C. pepo ; FABACEAE : Astragalus melilotoides , Medicago sativa , Melilotus albus , M. officinalis , Onobrychis viciifolia , Oxytropis kansuensis , Vicia amoena , V. uni juga , Wisteria villosa ; GENTIANACEAE : Gentiana macrophylla ; LAMIACEAE : Dracocephalum moldavica , Elsholtzia densa , E. stauntonii , Nepeta coerulescens , Salvia farinacea , S. roborowskii , Scutellaria baicalensis ; LINACEAE : Linum usitatissimum ; MALVACEAE : Gossypium hirsutum , Malva cathayensis ; POLYGONACEAE : Polygonum bistorta ; RANUNCULACEAE : Aconitum barbatum , A. flavum , Trollius chinensis ; ROSACEAE : Cerasus campanulata , Amygdalus davidiana , A. persica , Cerasus tomentosa , Potentilla chinensis , Rosa rugosa , R. xanthina ; SCROPHULARIACEAE : Veronicastrum sibiricum ; SOLANACEAE : Lycopersicon esculentum , Solanum japonense , S. melongena .

Figures

FIGURES 126 – 127. 126. Map showing the distribution of B. lantschouensis in North China with records as black spots, the province boundaries in dark grey, and all sites with records of all bumblebee species in light grey. 127 B. lantschouensis worker visiting Aconitum barbatum (Ranunculaceae) in Gansu.