678 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxx. 



e. Frontal costa sulcate. 

 /. Posterior coxse marked externally with a dark line. 



g. Disk of tegmina dark veined .fuscus ( Thunberg) 



f/ff. Disk of tegmina not dark veined. Lower sulcus and inner face of 



hind femora red cinereus Bruner 



ff. Posterior coxa? not marked externally with ii dark line. 



(/. Smaller. Green and yellowish, hind femora on basal half internally 

 sanguineous. Tegmina unicolorous, sordid yellow. 



hlaAor Giglio-Tos 



gg. Larger. Brownish testaceous, the hind femora internally tlavous. 



Tegmina faintly conspersed with fuscous. 



h. Very robust. Hind femora incrassate and with the lower outer 



sulcus infuscated, surpassing the tip of tegmina and abdomen in 



the female robust as, new species. 



/(/(. Less robust. Hind femora normal, the lower outer sulcus con- 

 colorous, about reaching or falling a little short of the tip of 

 tegmina and abdomen in the female. 



paraguai/pnsls, new species 

 ee. Frontal costa not sulcate. Dorsal edge of tegmina pale-veined. 



2)atrue/is Stal 

 dd. Tegmina surpassing the tip of hind femora. 



e. Male cerci rather heavy and straight. Lower sulcus of hind femora yel- 

 lowish jmttensis Bruner 



ee. Male cerci slender, incurved beyond the middle. Lower sulcus of hind 

 femora orange-red. 

 /. Smaller, very slender; the sides of pronotum parallel. Dusky band on 



side of pronotum extending to metapleura exills Giglio-Tos 



ff. Larger, less graceful; the sides of pronotum diverging posteriorly. 

 Dusky band on side of pronotum continued upon tegmina to the 



apex elongatus Giglio-Tos 



CO. Interval between mesosternal lobes fully as wide or wider than long. The 

 dusky band on sides of pronotum more or less interrupted. 

 d. Posterior lobe of pronotum somewhat ascending posteriorly, a little longer 



than the anterior lol)e arrogans Stal 



dd. Posterior lobe of pronotum not ascending posteriorly, al)out eipialing or a 

 trifle shorter than tlie anterior lobe. 

 e. Posterior coxie fuscous or black spotted. Last ventral segment of male 

 abdomen with the lateral margins black. 



/. Smaller. Hind tibije red pnnctulatus (Thunberg) 



ff. Larger. Hind trbiie greenish testaceous conspersns Bruner 



ee. Posterior cox;e unsiwtted. Last ventral segment of male al)domen with 

 the margins never black. 

 /. Hind femora with the inner face and lower sulcus fiavous or testaceous. 

 Tegmina rather evenly and tinely conspersed with fuscous. 



dtibhts, new species 

 ff'. Hind femora witli the inner face and lower sulcus, at least in i)art, 

 sangunieous. Tegmina abbreviate or fully developed, not evenly 

 conspersed with fuscous. 

 g. Hind tibise deej) purple. Pronotum at sides of disk pale vittate. 



brasilien.'iiK, new species 

 gg. Hind tibiie glaucous. Disk of pronotum either vittate or concol- 

 orous. 

 /(. Tegmma and wings usually greatly abbreviated. Sides of disk of 

 pronotum and dorsal angles of tegmina pale vittate. 



viUatus Bruner 



