II. 
A Few New Species of Deltocephalus and 
Athysanus from Colorado. 
Clarence P, Gillette. 
DELTOCEPHALUS PARVULUS, n. sp. 
Color greenish yellow, vertex strongly produced and acute, 
length to 3 in. m. 
Vertex strongly [)roduced, acute, angle at the apex about eighty 
degrees, surface nearly flat hut not depressed, length somewhat ex- 
ceeding the distance between the eyes ; color whitish, with two ir- 
regular, diverging, infuscate bands extending from the apex to the 
posterior margin, median line black and sharply defined on the 
posterior two-thirds. Front slightly infuscate, with about six in- 
terrupted, transverse, pale yellow arcs ; clypeus pale yellow or 
slightly infuscate, broadest -at base and gradually narrowing to the 
rounded apex ; gen^e greenish yellow throughout with a black spot 
just outside tlie middle of the loral suture, in some examples the 
upper part of the suture is also black. Entire length of the face 
slightly exceeding the width. Pronoturn pale yellowish green, 
deeper yellow on the anterior margin, in some examples with two 
longitudinal black dashes above; the length hardly ecjual to one- 
half of the width, but slightly exceeding tliatof the vertex. Scutel- 
lum pale yellowish. Elytra deep yellowisli green, subhyaline, con- 
siderably exceeding the abdomen ; nervures very distinct and deeper 
yellowish green. Tergum black, with the lateral margins of the 
segments pale yellow. Venter yellowish green with little or no 
dark shading, last ventral segment broadly produced and oval at 
the tip. Pygofers and ovipositor yellowish white, the latter bordered 
with black beneath in some specimens. Legs pale yellowish white 
throughout. 
Male genitalia: Valve rather small, triangular, the apex blunt, 
the base extending from one-half to two-thirds of the distance across 
the himl margin of the |)receding ventral segment; plates long and 
rather slender, extending beyond the valve a distance about equal 
