NEW SPECIES OF INDIAX IIYMENOPTERA. ll'j 



ate ; abdomen narrow, about the length of the head and thorax united. 

 Jet black, the clypeus and sides of the face with dense, he sides of the 

 thorax and of the median segment with short, thin, silvery pubescence; 

 wings hyaline, tegulte and nervures black. 



9 . Length 9 ; exp. 18 mm. 



^. Length b-^; exp. 11-20 mm. 



Hah. Simla, Sikhim. 



7. Ponipilus deperditusj sp. nov. 



9 . Head, thorax, and abdomen smooth, shining, and entirely 

 impunctate in certain lights, with a fine silky pruinose look, head not 

 quite so wide as the thorax ; clypeus convex, transversely truncate 

 anteriorly, labrum extended, well marked ; eyes with the inner orbits 

 slightly arched outwards in the middle, front and vertex broad, i-ouuded, 

 steeply sloping back to the occiput, this latter emarginate posteriorly : 

 pronotum somewhat long, anteriorly rounded, posteriorly emar- 

 ginate ; median segment with the sides slightly bulging, flattened, 

 above rounded, the apex depressed, gently emarginate ; abdomen 

 massive, slightly longer than the head and thorax united. Black, the 

 clypeus, sides of the face, cheeks ^ sides of the thorax and of the median 

 segment and the base of the segments of the abdomen in certain lights 

 covered with a thin plumbeous bloom ; wings hyaline with light fns- 

 cous clouds along the basal nervure, in the radial, 2nd cubital and 2nd 

 discoidal cells of the fore wing, and along the apical margins broadly 

 of both wings, nervures and tegul^e black. 



9. Length 11-12 ; expj. 22 mm. 



Hab. Simla, 



Somewhat resembles P. Umhatus, Smith, but apart from the colour of 

 the wings, it differs from the latter in the much more massive and 

 longer prothorax, in the median segment not bearing a medial longi- 

 tudinally impressed line, and in the inner calcar of the hind tibise being 

 short, only about half the length of the metatarsus. In P. Umbatus 

 this calcar- very nearly equals the metatarsus in length. 

 Family Sphegid^, Leach. 

 8. Tachytes hospes^ sp. nov., pi. A, f. 7. 



9 . Head and thorax anteriorly smooth, median segment rounded 

 above, truncate posteriorly, not so long as the thorax, bearing a medial 

 slightly marked longitudinal furrow from which fine divergent strise 

 radiate obliquely backwards, curving over the sides ; abdomen massive, 



