PARASITIC HYMENOPTERA EROM THE SIKKIM HIMALAYA. 99 



yellowish in tint ; the antennge black, the scape testaceous 

 below, the base of flagellum brownish ; wings yellowish hyaline, 

 the apex fuscous from behind the apex of the stigma ; the 

 stigma, except at apex, and the nervures, except those in the 

 cloud, luteous. j. 



Length 12 — -23 m.m. ; terebra 7 — 12 m.m. 

 Head and thorax smooth ; the face and metanotum sparsely 

 covered with pale pubescence, each hair issuing from a punc- 

 ture. Abdomen, except the last 2 segments, closely strongly 

 punctured, the basal more strongly, but not so closely as the 

 others ; its basal slope and the sides smooth ; the basal furrows 

 and the curved furrows beyond the middle of the segments, 

 deep, crenulated. Areolet small, triangular, shortly appendi- 

 culated ; the recurrent nervure is received near the apex. 



The temples are distinctly developed, roundly narrowed ; 

 the central part of the 1st abdominal segment is broad, trans- 

 verse, not roundly narrowed as in olynthia Cam. and ariana Cam. 

 The 3 species of Erythropimpla known to me from the Hima- 

 layas may be separated thus ; 



Abdomen and 2 hind legs black . . ariana Cam. 



Abdomen and hind legs coloured like the body. Body 



and legs ferruginous, the radial cellule not clouded ; 



the central part of the l^t abdominal segment narrowed 



at the apex olynthia Cam. 



Body and legs testaceous, the radial cellule clouded ; 

 the central part of l^t abdominal segment broad at 



the apex testacea Cam. 



Both olynthia and ariana are found in Sikkim ; they were 

 described from the Khasias. 



Theronia iridipennis sp. nov. 



Pale yellow, smooth, shining, the face and median seg-ment 

 thickly covered with long white pubescence ; a broad line on 



