No. 22.] HYMENOPTERA OF CONNECTICUT. 247 



beyond middle of areolet; subdiscoidal vein wanting in 

 hind wings; ovipositor hidden or at least not prominent. 



Campoplex (Ameloctonus) p. 266 



29. Petiole without a fossa on each side near postpetiole 30 



Petiloe with a fossa on each side near postpetiole 



Campoplex (Nepiera) p. 266 



30. Greatest diameter of lateral ocelli as long as or very nearly 



as long as ocellocular line 31 



Greatest diameter of lateral ocelli distinctly shorter than 

 ocellocular line Campoplex (Bath3rplectes) p. 263 



31. Ovipositor hardly exserted ..Campoplex (Hypothereutes) p. 264 

 Ovipositor distinctly exserted Campoplex p. 263 



32. Second abscissa of discoidal vein distinctly shorter than 



third 33 



Second abscissa of discoidal vein as long as or longer than 

 third 35 



33. Costulse wanting, incomplete, or poorly developed 34 



Costulse complete, well developed; petiole with a fossa on 



each side near postpetiole Campoplex (Hyposoter) p. 267 



34. Abdomen conical at apex in female; petiole with a fossa on 



each side near postpetiole Campoplex (Angitia) p. 264 



Abdomen truncate at apex in female; petiole with, at most, 



a punctiform fossa on each side near postpetiole 



Campoplex (Holocremnus) p. 264 



35. Costulae distinct and complete; recurrent vein received in or 



beyond middle of areolet 36 



Costulae indistinct or incomplete 39 



36. Spiracles of first segment distinctly nearer to each other 



than to apex 37 



Spiracles of first segment apparently as near or nearer to 

 apex than to each other; petiole with a fossa on each side 

 near postpetiole; areola and petiolarea confluent; hind 

 claws not distinctly pectinate; lower angle of radial cell 

 almost a right angle; ovipositor not prominently exserted 



Campoplex (Ameloctonus) p. 266 



37. Petiole with a more or less distinct fossa on each side near 



postpetiole; lower angle of radial cell distinct, almost 

 forming a right angle; hind claws distinctly pectinate .... 38 

 Petiole rather cylindrical, not wider than thick dorso-ven- 

 trally, without a fossa on each side near postpetiole .... 



Campoplex p. 263 



38. Abdomen truncate at apex, ovipositor hardly longer than 



apical truncature of the abdomen 



Campoplex (Ameloctonus) p. 266 

 Abdomen conical at apex, ovipositor prominently exserted 



Campoplex (Angitia) p. 264 



39. Ocelloccipital line hardly longer than postocellar line; lower 



