RHYNCHOTA, 
489 
|8. Thorn.cic procea? nearly straight, hroadish at base and cover- 
ing the greater part of the sciitetlum. 
4. Ortitorrlus (StSl). 
(^Centr. urus and havane?ms, Fairm.) 
t Ollier vein of claviis very long, subpercurrent, attaining apex ; 
thoracic process extending but little beyond middle of abdomen. 
6. Platycentrus (StSl). 
b. Wings with three apical cells .... 6. Braohybelus (StSl). 
2. Anterior margin of thorax projecting nearly in a right angle, thorax 
cornuto 7. Goniolomus (StSl). 
B. Clavus gradually attenuated to apex. 
1. Scutelliim produced, emarginate at apex, or incomplete and very 
short, or wanting ; anterior tibise dilated. 
* Corium with five apical cells and one discoidal. 
a. Scutellum complete, produced. 
a. Thorax much elevated in front, back compressed or bilobed. 
a. Anterior elevated part of thorax not, or but slightly, com- 
pressed, ampliate or bilobed at apex. 
8. Lycoderes (Germ.). 
/I. Anterior elevated part of thorax compressed, with the back 
acute 9. Steoasbis (Germ.). 
b. Thorax gibbous in front ; head bituberculate at base. 
10. Lirania (StRl). 
b. No complete scutellum; thorax forming a large compressed 
ve.sicle 11. CEda (A. &: S.). 
t Corium with many apical cells .... 12. Anomus (Fairm.). 
2. Scutellum complete, acuminate ; corium with four apical cells ; legs 
simple. 
* Anterior margin of thorax very slightly reflexed, unarmed. 
13. Bocydium (Lat.). 
t Anterior margin of thorax reflexed, produced, projecting anteriorly 
in two obtuse teeth 14. Styeocentrus (StSl). 
(JBoc. a7icora, Perty.) 
II. Thorax with no posterior process. 
A. Thorax cornute above lateral angles . . 15. Tolania (StSl). 
B. Thorax convex, unarmed. 
1. Scutellum truncate or rounded at apex, 16. Nicomia (StSl). 
2. Scutellum acuminate. 
a. Scutellum not keeled except at apex. 
* Sides of prostethium obtusely carinate, or destitute of carina. 
17. ./EtH ALIGN (Lat.). 
t Sides of prostethium explanate, or highly and acutely carinate. ' 
18. Schizia (Lap.). 
h. Scutellum cornute, crested, or with a percurrent keel. 
* Basal margin of head bicorniculate or carinato-elevated. 
a. Head bicorniculate at base .... 19. Lamproptera (Germ.). 
b. Basal margin of head carinate, unarmed. 
a. Thorax but little broader in the middle than in front ; ocelli 
somewhat remote from eyes. 20. LopHYRASPis,^g. n. 
( C. vittata, Oliv., Tett. scutellata, Fab.) 
