No. 22.] HYMENOPTERA OF CONNECTICUT. 185 



not sculptured at base or elsewhere except for a few scat- 

 tered punctures; ovipositor hardly exserted 



(Stenopleura) podunkorum 



2. Second dorsal abdominal plate subquadrate, trapezoidal, or 

 subtriangular; propodeum usually with a median longitud- 

 inal carina, never with a more or less distinct areole 



(Protapanteles) 3 



Second dorsal abdominal plate transversely linear or spindle- 

 shaped, two and one-half to three or more times as wide 

 at apex as long down the middle; if less than four times 

 as wide as long, then with an areola on propodeum, or at 

 least without a median longitudinal carina from base to 



apex 49 



> 3. First dorsal abdominal plate wider at apex than at base, sec- 

 ond dorsal abdominal plate usually almost entirely or en- 

 tirely rugose; first dorsal abdominal plate distinctly as 

 wide as or wider at apex than second dorsal plate is long 

 down the middle; furrow between dorsulum and scutel 

 foveate 4 



First dorsal plate as wide at apex as at base or narrower 

 at apex than at base; in euchcetis first dorsal abdominal 

 plate apparently wider at apex than at base on account 

 of radically converging apical fourth of sides 42 



4. First dorsal abdominal plate distinctly wider at apex than 



second is long down the middle 5 



First dorsal abdominal plate as narrow as or narrower at 

 apex than second plate is long down the middle; second 

 dorsal abdominal segment distinctly shorter than third, 

 its plate sculptured throughout and nearly transversely 

 oblong; apical half of abdomen compressed; in other par- 

 ticulars agreeing with the description of acronyctce as 

 given below in this table pholisorae 



5. Pleura not separated from mesosternum by a carinate fold.. 6 

 Pleura separated from mesosternum by a carinate fold; 



otherwise as in acronyctce, or litnenitidis var., as described 

 below in this table, except femora which are pale . . . .orgyiae 



6. Third dorsal abdominal segment sculptured at base in the 



middle 7 



Third dorsal abdominal segment perfectly or virtually per- 

 fectly sculptureless at base in the middle 28 



7. Scutel mostly punctate, or rugulose, or both 8 



Scutel mostly impunctate, interstices smooth and polished, 



wings not whitish 14 



8. Wings whitish 9 



Wings not whitish 10 



