BOMBUS. 555 



978. Bombus orientalis. (PI. IV, fig. 9.) 



^mit/i, Cat. ii, p. 402, $ ; Dall. I'vrr. Cat. x, p. 538. 

 Bombus bucciuiitoris, ISmit/i, New Sjj. Hym. B. M. p. \'-V2, $. 

 Y Bombus siiuiilus, Grib.BuU. Eiit. 6oc. Ital. xxiii, 18!)1, p. 114, § . 



5 . Head and face elongate, only slightly pubescent ; the vertex, 

 cheeks, space between eyes and base of mandibles, and the clypeus 

 bare, polished and shining; the clypeus convex and slightly punc- 

 tured ; thorax and abdomen densely pubescent ; anal segment 

 narrowly bare above, concave, and bearing two parallel, short, broad, 

 medial longitudinal carinae. Head, thorax, upper part of the legs, 

 and the 3rd abdominal segment clothed with black, the basal two 

 segments with pale yellow, and the apical three segments with rich 

 fulvous-red pubescence ; tai'si more or less with short ferruginous 

 pubescence ; wings dark fuscous with a rich purple effulgence. 



5 similar, smaller, the basal two abdominal segments with 

 brighter yellow pubescence. 



Var. buccinatoris, Smith. — According to the description, with 

 bright yellow pubescence on the median segment also, but not so 

 in the specimen marked as the type ; the 4th as well as the 3rd 

 abdominal segment va ith black, the apical two with bright ferru- 

 ginous pubescence. 



d similar to the female ; smaller, with brighter yellow pubes- 

 cence on the basal two abdominal segments, and the wings paler. 

 Bab. Sikhim ; Kunawar. 2 • Leiujth 21-i^4 ; exjj. 50 mm. $ 

 Length 16-18 ; exp. 34-40 mm. cJ • Leucjtli 19-20 ; exp. 44 mm. 

 One of the commonest species about Darjeeling. 



*979. Bombus longiceps, Smith, 2nd Yark. Miss., Hym. p. 8, ^ c? ; 

 l)all. Ton-. Cat. x, p. 582. 



" $. Black; the head elongate, the clypeus smooth and shining ; 

 the tips of the mandibles rufo-piceous, the flagellum of the antennae 

 obscurely fulvous beneath. Thorax above and beneath the wings 

 densely clothed wilh bright fulvous pubescence, beneath and on 

 the legs it is black, the four apical joints of the tarsi ferruginous ; 

 the wmgs hyaline. Abdomen — the three basal segments with 

 black pubescence, usually more or less abraded towards the base, 

 w hich is smooth and shining, the apical segment f ulvo-ferruginous. 



" Length 9 lines (= about 19 mm.). 



'■'■Hah. Dras, Xtirgil, Leh,in Ladtik. The male of this species is 

 clothed exactly the same as the female, the face having also black 

 pubescence." 



Genus PSITHYRUS. 



P.sithyrus, Lepel. Ann. Soc. Ent. Fr. i, p. 36(5 (1832). 

 Apatlms, Newman, Ent. May. ii, p. 404 (1834). 



Type, P. rupestris, Fabr. 



lianye. Probably the same as that of Bombus. 



Characters those of Bombus, except that the posterior tibia) are 

 convex exteriorly and densely pubescent, not furnished with a 

 corbicula for carrying pollen ; the basal joint of the posterior tarsi 

 not toothed at its base above; abdomen incurved slightly at apex ; 



