84 
c. Posterior margin of the pronotum truncate; 
vertex without foveolae; sides of the pronotum 
straight and parallel; elytra shorter than, or 
not longer than the abdomen; wings pellucid 
or but slightly tinged. Gen. Chloealtis. 
cc. Posterior margin of the pronotum obtusely 
angled or rounded; vertex usually with lateral 
foveolae; sometimes they are wanting; lateral 
carinae of the pronotum more or less curved, 
or bent inwards. 
d. Male and female differing widely; in both 
sexes the elytra and wings pass the ab¬ 
domen; face quite oblique; eyes ovoid and 
oblique; lateral carinae of the pronotum but 
slightly curving inward; posterior lobe of the 
pronotum somewhat elongate granulose. Fe¬ 
male. —Antennae slightly enlarged and flat- 
ened at the base; foveolae of the vertex near¬ 
ly or quite obliterated. Male —With the an¬ 
tennae enlarged at the apex; foveolae of the 
vertex more or less distinct; an inner and dis- 
cal area of the elytra with distinct parallel or 
scalariform nervules. Size one inch and over. Gen. Syrbula. 
Fig. 12. 
dd. Male and female similar; nervules of the elytra 
normal; antenn£e never en¬ 
larged at the base, apex 
sometimes enlarged; later¬ 
al carinae of the prono- 
notum distinctly curved or 
bent inward; foveolce of the 
vertex more or less distinct; 
elytra sometimes shorter 
and sometimes longer than 
the abdomen. Seldom as 
much as an inch in length. 
Stenobothrus maculipennis. 
a. Perfect insect, b. Pupa, 
c. Larva. 
Gen. /Stenobothrus . 
AA. Face vertical or nearly so, sometimes, as seen 
from the side, curved near the clypeus, and 
sometimes slightly oblique in the male; the 
posternum spined in one group, in the other 
not. 
a . Prosternum smooth or at most but slightly tu¬ 
mid, never spined or tuberculate ( Stetheophyma 
forms a partial exception). Group 2. Oedipodini. 
b. Prosternum armed with a tubercle or tumid en¬ 
largement of prosternum. ; Gen. Stetheophyma. 
bb. Prosternum without a spine or tubercle. 
c. Wmgs pellucid, neither colored nor clouded; 
pronotum with three distinct carinae, the me¬ 
dian continuous; the lateral not elevated, very 
slightly curved inwards. Size less than me¬ 
dium. 
Gen. Camnula. 
