22 



ft. Vertex shorLer than the eyes. Tegminaof male narrower 

 than the length of pronotum. Wings of male less 

 Ijroadly fenestrate, 

 g. Tegmina obliqnely truncate at apex; wings hj'aliue and 

 more or less infiisc-ated. Pronotum with the lateral 

 carin;>? continuous uninterrupted, 

 h. Larger, general color green. 



31 ETA LEFT E A Brunner. 

 hh. Smallei", general color testaceous or ferruginous. 



OKPHULA Stal. 

 gg. Tegmima acuminate, wings tinted with dilute red. 

 Pronotum with the lateral carina- interrupted. 



EUTKYXALIS Bruner. 

 dd. Sides of the fastigium straight or but gently rounded, the 

 apex more or less acuminate. Temina broadl}' rounded or 

 somewhat truncate. Posterior femora with their angles 

 roundly detiexed. 

 e. Fastigium of the vertex above depressed; without a longi- 

 tudinal carina, 

 f. Lateral carina' of pronotum more or less converging 

 near the middle. The sides of pronotum compressed: 

 tegmina and wings fully developed, 

 g. Wings tinted with yellowish-brown: the tegmina rather 

 broad. ' PAKOHPHULA Bruner. 



gg. Wings transparent, sometimes more or less infuseated: 

 tegmina narrower. 



ORPHULELLA Giglio-Tos. 

 ff. Lateral carin;e of pronotum not converging near the mid- 

 dle. The sides of pronotum not compressed. Tegmina 

 and wings usuallv more or less abbreviated. 



DICHROMORPHA Morse. 



ee. Fastigium of the vertex above rounded, provided with a 



longitudinal carina. 



f. Wings with the anterior ulnar vein bi'anched at base. An- 



tenn;v long, clavate in the male. Wings red and black. 



TOXOPTERUS Bolivar, 

 ff. Wings with the anterior ulnar vein not branched at base. 

 Antenua> long, not clavate in male. Wings hyaline, 

 more or less tinted with carmine at base. 



FENESTRA Brunner. 

 cc. Wings of male not fenestrate, the adial veins not incrassateand 

 constricted on apical third. Pronotum with lateral carina^ 

 gentl.y diverging posteriorily: and with a pair of supplemental 

 carina' on disk. Antenna' sub-ensiform. Front stronglv ob- 

 lique _ SIXIPTA "Stal. 

 bb. Antenna? filiform. Lateral carina? of pronotum parallel; supple- 

 mental carina' absent. AMBLYTRDPIHIA Stal. 

 AA. Foveohe of vertex visible from above, always present. Face usu- 

 ally more nearly vertical than in the alternate category, 

 b Inner apical spurs of hiud tibia' subeipial in length. Antenna' at 

 least of male nearly or quite as long as hind femora, 

 c. Wings colored. Basal joints of antenn:e depressed. Lateral 

 carina' of pronotum converging toward the middle. Tegmina 

 without trace of intercalary vein. 



DICHROATETTIX Bruner. 



