208 THE CANADIAN ENTOMOLOGIST. 



c'. Pronotum but slightly longer than fore coxae ; eyes more or 



less conical ; hind femora armed exteriorly with an apical 



spine. 



d'. Eyes distinctly pointed (conico-acuminate) above ; hind 



femora delicately incrassate basally, in the 9 nearly 



twice as long as the pronotum ; tegmina and wings 



abbreviate or wanting in both sexes; cerci long, distinctly 



surpassing the infragenital plate Yersinia. 



dr. Eyes trigonal, scarcely pointed above ; hind femora linear, 



in the 9 but little longer than the pronotum ; tegmina 



and wings fully developed in the S > abbreviate in the 



9 ; cerci short, not or scarcely surpassing the infragenital 



plate Litaneutria. 



c'. Pronotum much longer than fore cox?e ; eyes rotundate ; 

 hind femora with no apical spine, 

 d". Antennge filiform. 



e'. Broadest portion of pronotum far in advance of the 

 middle, the sides in front distinctly tapering; outer- 

 margin of fore femora armed with main spines only, 

 f'. Body of $ very elongate ; anal membrane of 



tegmina violet Phasmotna?itis. 



{-. Body of $ moderately elongate ; anal mem- 

 brane of tegmina light coloured, 

 g'. Anal and axillary veins of tegmina 

 independent and simple through- 

 out Callimatitis. 



g-. Anal and axillary veins of tegmina 



apically confluent Stagmotnantis. 



e-. Broadest portion of pronotum hardly in advance of 

 the middle, the sides in front parallel or subparallel; 

 outer margin of fore femora armed with numerous 

 distinct spinules between the main spines.. Gouatisf a. 

 d^ Antennae incrassate beyond the base and thereafter taper- 

 ing Bnirmeria. 



Inner margin of upper surface of fore coxae abruptly and con- 

 siderably dilated at apex, 

 c'. Fore tibiae longer than their apical claw. 



