404 TESPID.E. 



the 2nd and following segments of the abdomen very dark brown 

 or black ; the basal segment with a short subapical transverse 

 black band in the middle above, and some irregular black spots on 

 each side near the base ; wings flavo-hyaline, the costal and 

 upper part of the medial cell in the fore wing deep yellowish 

 brown. 



^ similar; the mesonotum and basal segment of the abdomen 

 brown or black. 



Var. The whole insect dull testaceous yellow, with a very 

 brilliant golden pile in certain lights. 



Hab. Sikhim at low elevations ; Northern India ; China ; 

 Burma ; Tenasserim ; Ceylon ; Malabar. 5 • Length 20-23 ; exp. 

 50-52 mm. g . Length 17-19 ; eccp. 44-46 mm. 



701. Vespa bicolor, Fahr. Mant. Im. \, p. 288 J 8au8^. Mon. Guep. 



Soc. p. 143 ; Smith, Cat. v, p. 118. 



5 or 5 . Slightly pubescent, with fine, rather stiff erect hairs, 

 smooth and impunctate, the vertex of the head and the mesonotum 

 only sparsely and finely punctured. Light sulphur-yellow ; the 

 front from a little above the base of the antennae, the vertex and 

 occiput of the head, the scape above and the flagellum of the 

 antennae, a medial longitudinal black line on the scutellum and 

 postscutellum not reaching the apex of the latter, a Y-shaped 

 mark on the median segment posteriorly, the base and sometimes 

 the apex also of the 2nd abdominal segment, and the apical seg- 

 ment generally black ; basal and apical three abdominal segments, 

 and the femora and tibiae of the legs above, occasionally shaded 

 with rufous brown ; wings light flavo-hyaline, darker along the 

 costal margin of the fore wing. 



Hab. Sikhim; Kumaun ; Sadiya, Assam (Z)o7i^r/?/). 2 • Length 

 19-21 ; exp. 40-42 mm. ^ . Length 15-16 ; exp] 34 mm. 



702. Vespa structor, Smith, Trans. Zool. Soc. vii, p. 191, pi. xxi, 



fig.l2, §. 



2 . Head, thorax, and abdomen covered with rather long erect 

 hairs, which are most dense on the vertex of the head, sides of 

 the scutellum, sides of the median segment, and apical margins 

 of abdominal segments 4-6 ; clypeus convex, rectangular, the 

 middle anteriorly broadly produced and transverse ; the head small, 

 much narrower than the thorax ; the eyes long, reaching very 

 nearly down to the base of the mandibles; the scutellum very 

 large, transverse, and gibbose ; the postscutellum and median seg- 

 ment vertical, entirely hidden under the prominence of the 

 scutellum. Head and abdomen yellow, the thorax black ; the 

 vertex and front with a blackish fuscous cloud ; the anterior and 

 posterior margins of the px'onotum, the tegulae, the lateral angles 

 of the scutellum, the postscutellum, and the legs yellow ; the bases 

 of the 1st, 2nd, and 3rd abdominal segments black, the black pro- 

 duced angularly back in the middle on the segments ; the femora 



