85 
cc. Wings colored or clouded, sometimes transpar¬ 
ent but never truly pellucid in Illinois species; 
the pronotum various. 
Tragocephala viridifasciata. 
a. Pupa. b. Perfect insect. 
d. Basal portion of the wings transparent, usually 
more or less tinged with greenish-yellow; ap¬ 
ical portion more or less distinctly clouded 
with fuscous, but neither crossed or margined 
by a distinct band; face curved below. Gen. Tragocephala. 
dd. Wings variously colored; with a distinct band 
across them or along the outer margin. 
e. Wings deep yellow or bright red, with a dark 
band along the outer margin; frontal costa 
usually more or less distinctly tricarinate above 
the ocellus; median carina of the pronotum 
sharp and elevated, sometimes distinctly arched; 
face curved below. Gen. Toinonotus. 
ee. Wings yellow or red, with a dark band across 
them near the outer border and along the hind¬ 
er portion of it; median carina of the prono¬ 
tum minute, or but moderately elevated. 
f. Female large, robust, broad and deep across 
the thorax; pronotum granulose, or tubercled, 
rugose; median carina small; lateral carinae gen¬ 
erally indistinct on the anterior lobes; vertex 
foveolate, broad and strongly defined, with a 
median carina usually visible ; wings yellow or 
red; elytra usually marked with large brown 
spots; (phoenicopterus has the median and lat¬ 
eral carina more prominent, and the foveola 
of the vertex more elongate, and not quadrate, 
as most of the other species.) Gen. Hippiscus. 
Fro. 14. 
Hippiscus phoenicopterus. 
ff Female of one species large, then the wings 
are black, otherwise not robust, or large; pro- 
