78 THE CANADIA.N KNTOMOLOGIST. 



h'. Ovipositor decidedly curved. 



c'. Size small, less than 14 mm.; tegmina without the two 

 black lines usually present on either side of the spec- 

 ulum Gracile, Harr. 



c''. Size medium or large, at least 16 mm. long. 



d\ Face pale or unicolorous, never with reddish-brown or 

 fuscous stripe down the middle. 



e^ Hind femora short, less than five-sixths the length 

 of the body and not exceeding 15 mm. in length. 

 f\ Tegmina not much exceeding the hind femora ; 

 ovipositor less than 9 mm. long ; posterior 

 margin of the lateral lobes strongly sinuate ; 

 anterior and middle tibiae green or yellow- 

 ish Vulgare, Harr. 



f^ Tegmina far surpassing the tips of the hind 

 femora ; ovipositor more than 10 mm. long ; 

 posterior margin of the lateral lobes of the 

 pronotum distinctly but not strongly sinuate ; 

 anterior and middle tibiae fuscous 



black Robustjiin^ Red. 



el Hind femora longer, at least five-sixths as long as 

 the body and not less than 17 mm. in length ; 

 ovipositor less than half as long as the hind 

 femora. 



f . Pronotum longer, more than one-fourth as long 

 as the body ; tegmina not far surpassing the 

 tip of the hind femora. 



g*. Tegmina not narrowed in the middle ; 

 anal cerci of the male slender, the basal 

 tooth short and weak ; tegmina and 

 wings olivaceous brown ; size less than 



medium Catfipestre, Blatchley. 



gl Tegmina narrowed in the middle ; anal 

 cerci of the male swollen, armed within 

 with a strong basal tooth ; posterior 

 margin of the lateral lobes of the 

 pronotum strongly sinuate ; size greater 

 than medium. Gli.iberrimttin,B\.\xm. 



