314 THE CANADIAN ENTOMOLOGIST. 



Wings narrowed, the transverse radius strongly curved ; lanceolate 

 cell long and narrow, with a short cross-nervure ; anal cell in hind 

 wings as long as the submedian ; head quadrate ; antennae long 

 and slender, the third joint a little shorter than the fourth, the 

 following gradually shortening, the second with a small tooth 

 within at apex Dipteromorpha, Kirby. 



12. Hind coxjE normal, the femora not or rarely extending to the tip of 



the abdomen 13. 



Hind coxse much lengthened, so that the femora extend to or beyond 

 the tip of the abdomen ; lanceolate cell with a short straight 

 nervure (or shortly contracted) ; anal cell in hind wings shorter 



than the submedian Macrophya, Dahlb. 



( = Emilia, Costa.) 



13. Frons on each side above the antenna; elevated into more or less 



distinct ridges and with deep furrows on either side ; antennae 9- 

 jointed, filiform, slender toward tips, the third joint never longer 

 than joints 4-5 united ; anal cell as long as the sub- 

 median Tenthredo, Linne'. 



Frons on each side above the antennae truncate, or feebly emarginate 

 and without or with only a feeble furrow between the antennae ; 

 antennre usually more or less thickened before apex. 



Antennse 8-jointed Labidia, Prov. 



Antennae 9-jointed. 



Anal cell in hind wings shorter than the submedian. 



Clypeus subemarginate ; antenna? long, slender, taper- 

 ing off at tips, the third joint much longer than 

 fourth, but shorter than 4-5 united. 



? Tenthredopsis, Costa. 



(? =^ Parastatus, Kirby.) 

 Clypeus deeply semicircularly emarginate ; antenna; 

 not long, subclavate, or somewhat thickened towards 

 apex, the third joint long, longer than 4-5 



united Allanthus, Jurine. 



Clypeus truncate ; antennae not long. 



9 Laurentia, Costa. 



Anal cell in hind wings as long or a little longer than the 

 submedian ; claws cleft. 



