Bruner: Tropical American Tettigonoidea. 



381 



h. Fastigium of the vertex bituberculate. 



Liostelhus Redtenl acher. 

 hh. Fastigium of the vertex trituberculate. 



Basileus Pictet & Saussure. 

 ff. Fastigium of the vertex acuminate. 



g. Tegmina at the apex obliquely truncate. Ovipositor short, 

 inferior margin somewhat curved, a little broadened. 



Paroxyprora Karny. 

 gg. Tegmina at the apex rounded. 



h. Fastigium of the vertex distinctly separated from the 



fastigium of the front Oxyprora Stal. 



hh. Fastigium of the vertex joined to the fastigium of the 

 front. 

 i. Fastigium of the vertex below concolorous. Ovi- 

 positor at middle strongly dilated. 



Phoxacris Karny. 

 a. Fastigium of the vertex below black. Ovipositor 

 straight, narrow, not dilated. 



Melanophoxus Karny. 

 ee. Lobes of the meso- and metasternum not lengthened into a spine 

 or entirely wanting. 

 /. Fastigium of the vertex triangular, above plane. 



Pyrgocorypha Stal. 

 ff. Fastigium of the vertex not triangular, or convex above. 

 g. Tegmina at the apex acuminate. 



h. Fastigium of the vertex carinated on both sides. 



Dorycoryphus Redtenbacher. 

 hh. Fastigium of the vertex rounded, not carinated. Fas- 

 tigium of the vertex separated from the fastigium of 



the front Coryphodes Redtenbacher. 



gg. Tegmina at the apex rounded, or obliquely truncated. 

 h. Metasternum compressed, the lobes obliterated. 



Stature very graceful Caulopsis Redtenbacher. 



hh. Metasternum not compressed, provided with distinct 



oval or triangular lobes. 



i. Posterior tibiae above with the lateral margins not 



ampliated. Genicular lobes of the hind femora 



spined. Structure slender. 



j. Fastigium of the vertex distinctly divided from 



the fastigium of the front. Lateral lobes of 



the pronotum often broader, with the lower 



margin obtusangulate or rounded. Tegmina 



with the costal vein obliterated or indistinct. 



often strongly divergent from the radial vein. 



Neoconocephalus Karny. 



jj. Fastigium of the vertex contiguous with the 



fastigium of the front. The former globular or 



rounded in iront. . . .Homorocoryphus Karny. 



