246 CONNECTICUT GEOL. AND NAT. HIST. SURVEY, [BuU. 



Abdomen petiolate, compressed throughout, ovipositor 

 straight; areolet wanting Cremastus p. 277 



20. Propodeum not overlapping hind coxae to end of basal third 



of latter; mesosternum without a process on each side of 

 mesosulcus or median longitudinal furrow of mesosternum; 

 propodeal spiracles round or nearly round, or if elliptical 

 then without a foveolate furrow on each side of the petiole 21 

 Propodeum overlapping hind coxae at least to the end of basal 

 third of the latter Casinaria p. 268 



21. Eyes not distinctly hairy; not distinctly converging below in 



female 22 



Eyes distinctly hairy, distinctly converging below in female 



Cymodusa p. 262 



22. Clypeus truncate or rounded along anterior edge, the latter 



edge not produced medially; recurrent vein usually re- 

 ceived beyond middle of areolet 23 



Clypeus with its anterior edge medially produced into a 

 more or less distinct tooth, or with the same edge im- 

 pressed on each side of middle; recurrent vein received 

 before middle of areolet; first abscissa of discoidal vein 

 usually distinctly longer than second; nervellus angulated 

 below middle Sagaritis p. 262 



23. Areolet normally wanting 24 



Areolet normally present 26 



24. Nervellus angulated below middle 25 



Nervellus not angulated, vertical; head not at all cubical, 



occipital carina at least as far below level of lower edge 

 of hind ocelli as hind ocelli are from each other; lower 

 angle of marginal cell not almost a right angle; costulas 



incomplete or wanting; claws pectinate 



Campoplex (Dioctes) p. 266 

 25. Longitudinal axis of thorax not appreciably longer than ver- 

 tical axis; petiole without a fossa on each side 



Campoplex p. 263 

 Longitudinal axis of thorax appreciably longer than vertical 



axis; petiole with a fossa on each side 



Casinaria (Pseuderiptemus) p. 269 



26. Nervellus angulated below middle, more or less branched; 



propodeal carinae well developed; areolet petiolate; clyp- 



eal foramina rather inconspicuous 27 



Nervellus not angulate below middle, not at all branched ... 32 



27. Costulae complete, well developed 28 



Costulae incomplete or poorly developed 29 



28. Petiole without a fossa on each side, not depressed, rather 



cylindrical, postpetiole bulbous Campoplex p. 263 



Petiole with a fossa on each side; recurrent vein received 



