48 GUIDE TO ORTHOPTERA 



h ^. Dorsum of pronotum twice as long as average 

 breadth, at least in the male, with no median con- 

 striction ; antennae, at least in the male, generally 

 longer than the hind femora and much more than 

 twice as long as the pronotum, generally twice as 

 long as head and pronotum together ; face more 

 declivent than in Melanoplus ; prozona only about 

 a third longer than the metazona. 



-Paroxi/a Scudder. 

 ff ^. Inferior genicular lobe of hind femora wholly 

 pallid, with no dark basal spot or transverse band ; 

 cerci of male conical or subconical or basally buUate, 

 always apically pointed. 



h^. Subgenital plate of male terminating in a 

 pronounced tubercle ; prosternal spine slender. 



Poecilotettix Scudder. 

 h ■^. Subgenital plate of male, even when apicallj'- 

 angulate, not furnished with an apical tubercle ; 

 prosternal spine stout. 



i^. Relatively heavy bodied; dorsal disk of 

 the prozona tumid independently of the meta- 

 zona ; pronotum distinctly angulate or convex 

 behind ; the portion of the metasternum lying 

 behind the lobes laterally extended, reaching 

 to the coxae ; tegmina fully developed or 

 abbreviate but overlapping, with many longi- 

 tudinal veins ; cerci of male very stout and 

 bullate on basal half or more ; abdomen of 

 female bluntly rounded apically, the posterior 

 segments much abbreviated ; ovipositor but 

 slightly exserted. Oedaleonotus Scudder. 



i ^. Relatively slender bodied ; dorsal disk of 

 prozona not tumid independent^ of the meta- 

 zona ; pronotum truncate posteriorly ; portion 

 of metasternum lying behind the lobes laterally 

 abbreviated, much narrower than the width 



