TTymenoptera from Northern India. 283 



the wings fuscous violaceous, the second transverse cubital 

 nervure roundly bisinuatc. ? . 



Length 15—16 mm. 



Front and vertex coarsely punctured, more sparsely on the 

 ocellar region ; the clypeus closely punctured, its apex 

 smooth and broadly rounded. Mandibles broadly piceous. 

 Middle of pronotum strongly punctured ; the apex smooth, 

 the basal slope closely punctured. The middle of the meso- 

 notum is strongly punctured ; the sides are sparsely punc- 

 tured. Scutellum sparsely and deeply punctured on the 

 base and apex; the postscutellum. is sparsely punctured. 

 Median segment 3-keeled, opaque, strongly acieulated, 

 smoother, more shining on the sides at the apex, and irregu- 

 larly striated near the bordering keel. The apical slope is 

 coarsely acieulated. Pro- and metapleurce closely obliquely 

 striated, the mesopleurae strongly and closely punctured. 

 Wings uniformly fuscous violaceous and highly iridescent ; 

 the second transverse cubital nervure is roundly curved out- 

 wardly above and below, the upper part more roundly and 

 distinctly than the lower. The tibiae and tarsi are thickly 

 covered with dark silvery hair ; the spines are rufous. 

 Abdomen shining; the apical, dorsal, and the ventral 

 segments thickly covered with long silvery hair; the basal 

 half of the pygidium is thickly haired; in the middle is a 

 longitudinal keel. 



Tiphia robusta, sp. n. 



Black ; the hinder femora bright red ; the wings dark 

 fuscous violaceous, the nervures and stigma black. $ . 



Length 15 mm. 



Head above the antennae coarsely and strongly punctured ; 

 there is a smooth patch behind each of the hinder ocelli and 

 a smooth line down the front in the centre ; the apex: of the 

 clypeus smooth. Mandibles black, dull rufous beyond the 

 middle. The apex and the basal slope of the pronotum 

 smooth, the middle strongly but not very closely punctured. 

 The centre and sides of the mesonotum are rather strongly 

 but not closely punctured ; the scutellum is similarly punc- 

 tured on the sides and apex ; the postscutellum is punctured 

 laterally. Median segment 3-keeled, opaque, acieulated ; 

 the outer keels converge slightly near the apex ; the central 

 keel becomes thinner towards the apex. Propleune smooth, 

 with a few indistinct scattered punctures ; the mesopleune 

 closely and strongly punctured ; the metapleurae closely 

 striated, except at the base below. Legs black, the hinder 

 femora bright red; the tibiae and tarsi are covered thickly 



