PHYTOPHAGOUS AND PARASITIC HYMENOPTERA. 95 



outer side distinctly striated ; the apical slope strongly, irregu- 

 larly reticulated. Base of propleurse and of mesopleurse strongly 

 striated ; the metapleurae rugose, the apex striated. First abdomi- 

 nal segment closely punctured, finely striated on either side of the 

 keel ; the second strongly, irregularly striated ; the suturiform 

 articulation strongly, regularly striated : the third and fourth, 

 except at the apex, closely striated ; the other segments closely 

 punctured. The radius and cubitus from the transverse cubital 

 nervure are white. 



33. — Troporliogas ruficeps, sp. nov. 



Head and thorax rafo-testaceous, the antennse dark fuscous ; the 

 abdomen pale yellow, the first segment except round the apex 

 and more narrowly on the sides, a curved maik on the apex of the 

 second segment, and the greater part of the third, fourth, and fifth 

 on the back, black ; the four front legs yellow, tinged with rufous ; 

 the hind coxae, femora, except at the base, and the apex of the tibiaj 

 broadly, black, the rest of them whitish yellow ; the tarsi infus- 

 cated ; wings hyaline, the stigma and nervures fuscous,?. 

 Length 6"5 mm. 

 Peradeniya, December. 



Face thickly covered with white pubescence ; the sides striated : 

 clypeal foveas deep. Vertex behind the ocelli closely, finely 

 striated. Pro- and mesonotum smooth, not striated, a furrow on 

 the apex of the latter ; scutellum impunctate. The two keels 

 on the base of metanotum form a /^-shaped area, with a thin 

 transverse keel at the apex. Basal five segments of abdomen 

 closely longitudinally striated. 



34. — Trnporlwgas lateralis, sp. nov. 



Rufo-testaceous, the upper part of the pleurae, the sides of 

 metanotum broadly, the sides of the first abdominal segment 

 broadly on the basal, more narrowly on the apical half, a line on 

 the sides of the second, the line becoming gradually wider from 

 the base to the apex, the third at the sides and its apex from 

 shortly behind the middle, black. Legs pale yellow ; the apex of 

 middle femora infuscated, the apical half of posterior black. 

 Wings hyaline, the nervures and stigma black, ?. 



Length 5 mm. 



Peradeniya, August. 



Face raised in the centre, striated on either side. Side of front 

 obscurely striated. Pro- and mesonotum shagreened ; parapsidal 

 furrows shallow ; an indistinct transverse furrow at the apex. 



