1915] New Species of Jassoidea 191 
fraternus and excavated and inflated basally for the reception of plates, 
the apical third produced into a slender, cylindrical process. 3.6 mm. 
long, 1.2 mm. broad. 
Deltocephalus pyrops n. sp. (Pl. XIX, figs. 15, 16). 
Vertex Platymetopius-like, elytra white, the venation outlined with 
dark fuscous, the costal area canary yellow. 3.6 to 4. mm. long, 1.3 
mim. broad. 
Vertex flat, acutely angulate, slightly recurved from near the base, 
twice as long as width between the eyes, nearly three times as long on 
middle as next eye, two and one-half times as long as the pronotum, 
face and especially the front strongly convex, not quite one and one-half 
times longer than broad, front narrow, four times as long as the clypeus, 
clypeus tapering, exceeded by the tips of the gene, margin of gene 
strongly oblique and nearly uniformly convex from eye to clypeus, pro- 
notum nearly two and one-half times wider than long, elytra nearly as 
long as abdomen, narrowed slightly toward the tip, claval veins and 
central anteapical cell variable. 
Color: Vertex, pronotum and scutellum pale brownish yellow; ver- 
tex with oval apical area white, margined laterally with black and pos- 
teriorly with fuscous, two pairs of transverse, fuscous dashes on the 
disc, one anterior to and the other posterior to the ocellus; ocelli, eyes 
and often the ovipositor bright red; pronotum with a fuscous band 
back of each eye; elytra white, the nervures narrowly outlined with 
dark fuscous, the costal area pale canary yellow; venter pale; face 
pale yellow, broadly margined above, excepting the tip of front which 
is white, with dark fuscous, which on the front encroaches upon the 
yellow in the form of three or four well marked teeth. 
2 Ultimate ventral segment nearly twice as long as the penultimate, 
one and one-half times as broad as long, narrowed posteriorly to the 
distinct lateral angles, between which the posterior margin is obliquely 
truncated, to near the middle where it is broadly incised nearly one-half 
way to the base, the apex of this incision bears a triangular tooth, the 
tooth and surrounding area deep black. 
o&' Valve subangulate, twice as broad as long; plates one and one- 
half times as long as the valve, and one and one-half times as broad as 
long, their common outline broadly oval, the sides rounding strongly to 
the blunt, slightly divergent tips, pygofers large, one and one-half times as 
broad and nearly two and one-half times as long as plates, with a pair 
of arcuated fuscous lines and more or less red behind the plates. 
Described from thirty-six specimens collected September, 
1914, by the author at Clarksville, Tennessee, on Aristida 
gracilis. 
Deltocephalus arundineus n. sp. (Pl. XIX, figs. 11, 12). 
Near inimicus, but in shape and markings resembling a Scaphoideus 
of the sanctus group. 3.3 to 3.7 mm. long, 1.2 mm. broad. 
