SERPHOID AND CHALCIDOID PARASITES OF THE HESSIAN FLY 83 



ocellocular lines subequal, the latter approximately three times the diameter 

 of an ocellus; temples strongly receding, less than half the width of eyes; 

 antennal scrobe shallow; head, viewed from in front, broader than high (about 

 as 30: 25) ; malar space equal to approximately half the eye height, the malar 

 groove nearly effaced; cheeks convexly rounded; eyes ovate, moderate in size, 

 bare ; clypeus not distinctly set off from face, finely convergently striated, its 

 anterior margin slightly sinuous or nearly straight; mandibles each with four 



Figure 19. — Eupteromalus americanus Gahan : A, Adult female ; B, antenna of female ; 

 C, antenna of male. A, X 26. 



teeth, the teeth all acute and subequal ; maxillary palpi 4-jointed, the last joint 

 a little longer than the two preceding together ; labial palpi 3-jointed, the first 

 and third joints subequal, the second very small ; whole head strongly reticulate 

 punctate, the clypeal area finely convergently striated. Antennae inserted on 

 a line with lower extremities of the eyes or slightly above such line, weakly 

 clavate, 13-jointed; scape extending nearly to the front ocellus, cylindrical; 

 pedicel about twice as long as broad, subequal in length to the two ring joints 

 and first funicle joint combined ; second ring joint about twice the size of first ; 

 first funicle joint very slightly longer than broad, second to fifth subquadrate, 



