SOME NEW GENERA AND SPECIES OF HYMENOPTERA. 181 



transverse basal ; the wings are yellowish hyaline, with the apices of 

 both infuscated. The hinder legs are much longer than the four 

 anterior ; they are longer than the body ; the apex of the hinder 

 femora reaches to the apex of the fourth segment ; the tarsi are 

 spinose. Tlie head has the vertex depressed between the eyes ; it is 

 sharply obliquely narrowed behind them ; the face is longish ; the 

 malar space is large ; the labrum projects. The transverse median 

 nervure is almost interstitial ; there is the stump of a nervure on the 

 disco-cubital nervure ; the transverse cubital nervure in the hind wing 

 is broken far below the middle ; the lower part of the metap'leurae is 

 bounded by a keel, and there is a stouter curved keel below the middle; 

 the gastrocoeli are deep, narrow ; the ventral keel extends to the end 

 of the third segment ; the antennae in the male are slightly serrate. 



A distinct genus, easily known by the constricted segments of 

 the abdomen separated by deep furrows. 



HoLCOJOPPA FLAVIPENNIS, Sp. nOV. 



Lutea, flagello antenuarum tarsisque posticis nigris ; alis flavo- 

 hyalinis, apice nigris, stigmate testaceo. 3' • Long. 14-15 mm. 



Hah. Khasia (coll. Eothney). 



Uniformly rufo-luteous ; the inner orbits, the forelegs in front, the 

 three divisions of the pleurae behind, and the petiole broadly at the 

 base, more or less yellowish. The scape of the antennas rufous, punc- 

 tured, thickly covered with short fuscous hair ; the base of the flagellum 

 dull rufous, the rest blackish. Head somewhat triangular behind, 

 being narrowed to a rounded point in the middle ; the face roundly 

 projecting in the middle, and obscurely punctured ; the sides flat, 

 yellowish, impunctate ; the clypeus obscurely punctured ; the apex 

 obliquely depressed ; the mandibles pale yellowish ; the teeth black ; 

 the palpi rufo-testaceous. Thorax ferruginous above ; the sides paler, 

 having a yellowish tinge ; thickly covered with short hair, dark on the 

 mesonotum, paler on the pleurae. The roundly pyramidal scutellum 

 shining, rather thickly covered with longish fuscous hairs, and bearing 

 all over large deep, not very widely separated, punctures ; the post- 

 scutellum small, not very distinct ; the space on either side of it de- 

 pressed, wide, smooth, and having a few stout irregular keels. The 

 base of the median segment widely separated from the post-scutellum, 

 raised to nearly the level of the top of the scutellum ; witliout auy 

 defined area, but' with two stout straight keels going down the centre, 

 which is coarsely irregularly transversely striolated ; the sides rugosely 

 irregularly reticulated. Propleurae closely punctured above, yellowish 

 and impunctate below ; the upper half of the mesopleura3 shining, im- 

 punctate ; the middle with a wide shallow longitudinal depression 

 down the centre ; the lower half closely punctured, and of a yellowish 

 hue at the base and apex ; the metapleurte with a wide oblique de- 

 pression on the base at the top ; over the sternum is a wide shallow 

 furrow, bearing stout widely separated, slightly oblique keels. Legs 

 rufo-testaceous ; the apex of the hinder tibiae and the tarsi blackish ; 

 the fore legs of a paler, more yellowish hue, and thickly covered with 

 short white hair ; the hair on the hinder tibiae and tarsi blacker. 



