166 
CATALOGUE OF 
PYRRHOCORINA. 
A. Hind wings most often complete, furnished with 
a hook. 
a. Head contracted at the hind border beneath. 
b. Head not contracted at the hind border beneath. 
* Bucculte forming au acute angle, sometimes much 
elevated. 
Antilochus. 
f Bucculte moderately elevated. 
\ Head broader than the fore border of the pro- 
thorax. - 
Ectatops. 
Head and fore border of the prothorax equally 
broad. ----- 
ft Bucculae much elevated. 
** Bucculae rounded, or with a rounded angle, 
f First joint of the rostrum not shorter than the 
head. 
Euscopus. 
jEschines. 
+ Fore wings most often complete, having a com- 
plete membrane and a straight or slightly bent 
apical border of the corium, very rarely abbre- 
viated, truncated, and without a membrane. 
§ Fore wings complete, with a distinct clavus. 
X Sides of the prolhorax not or very slightly reflexed. 
X X Sides of the prothorax most often reflexed. 
Odontopus. 
o Body, at least beneath, silky. 
-+• Fore femora unarmed. - - - - 
Roscius. 
-*-¥ Fore femora with spines beneath near the tips. 
++ Fore coxce unarmed. - - - - 
++++ Fore coxae with a little spine. - 
oo Body smooth. 
Melamphaus. 
Stictaulax. 
-t- Eyes with short petioles. - 
Eyes sessile. 
++ Head convex. Third and fourth ventral incisures 
Census. 
more or less curved. ... 
++++ Head flat in the middle. Ventral incisures 
Dindymus. 
straight. - 
Pyrrhopeplus. 
§§ Fore wings abbreviated, truncated, with no mem- 
brane; clavus and corium as one. 
Dermatinus. 
Apical border of the corium rounded ; membrane 
reticulated, most often abbreviated. 
Pyrrhocoris. 
tf First joint of the rostrum much shorter than the 
head ----- 
ScaNTIUS. 
B. Hind wings complete, without a hook. 
a. Eyes very transverse. - Lf.ptophthalmus. 
b. Eyes not or slightly transverse. - Dysuercus. 
