HEMIPTERA OF COLORADO. 
85 
posterior angles subacute and somewhat inclined towards the center. Color pale ashy 
green. Face slightly dusky with indistinct lighter transverse lines a bove. Genae with a 
small black spot near the loral suture. Vertex and pronotum concolorous, with a broad 
light median stripe and a dark stripe on either side, on the vertex the median light stripe 
with a median dark line. Scutellum darker on the disc. Elytra ashy subhyaline with a 
few faint fuscous markings along the middle of the disc and on the median portion of the 
•clavus. Venter pale yellowish. Legs pale yellow. 
Length 3.25 mm. Described from one female. Related to molsheimeri. 
^Leadville, August 23d (Gillette). 
We have also a single male which probably belongs to this species. It differs from 
the female as follows: Front one-fourth longer than wide, two and a half times as long 
as the clvpeus. Face darker on discs of clypeus and genae, front very light chocolate 
brown, the light transverse lines above distinct. Elytra witli costa and veins more dis¬ 
tinctly yellowish, the apical cells faintly margined with fuscous. Venter black. Legs as 
in monticola. 
Length 3.5 mm. Described from one male. 
Estes Park, July 12th (Gillette). 
Deltocephalus argenteolus Uhl. 
Quite common on willows at Colorado Springs and near Manitou (Uhler, 
o). Colorado (VanDuzee, 4). 
Deltocephalus auratus n. sp. 
Female: Face an eleventh wider than long. Clypeus about a third longer than wide, 
gradually narrowed to the rounded apex. Lorae subovate, as long as the clypeus and 
half as broad. Genae broadly and very obtusely angled, attaining the end of the clypeus. 
Front one-eighth longer than wide, about two times 
the length of the clypeus, sides nearly straight, 
rapidly narrowing to the clypeus below, superior 
angle rather strongly produced and rather more 
than a right angle. Face and anterior third of ver¬ 
tex finely shagreened. Disc of vertex with a de 
pressed area on either side next the compound eye, 
length at middle once and a half that next the eye, 
width between eyes once and a seventh times the 
length at middle. Pronotum twice wider than long, 
as long as vertex, curvature two-thirds of length, 
with the glabrous anterior margin somewhat* 
elevated, posterior margin slightly concave, pos¬ 
terior three-fourths obscurely rugose and sparsely 
and indistinctly punctate. Scutdlum broader than long, very minutely sculptured. 
Last ventral segment with the hind margin deeply and broadly notched, posterior angles 
rounded. Color pale yellow throughout. Tip of rostrum, eyes, spots at bases of tibial 
spines, and ungues, black. Ocelli rufous. Elytra exceeding abdomen by somewhat less 
than one millimeter, yellowish subhyaline, nervures lighter. 
Male: Differs from female as follows:—Color deep golden yellow. Elytra yellowish 
subhyaline, nervures and costa bright yellow. Genital organs below tipped with black. 
Length 3.25 mm. Describ d from two males and one female. 
Fort Collins, June 14th (Gillette). Steamboat Springs, 
July 15th (Gillette). 
Deltocephalus bilineatus n. sp. 
Face a twelfth wider than long; clypeus long and narrow, one-half longer than broad, 
nearly one-half as long as the front, sides parallel, apex rounded, basal suture straight; 
lorae subovate, nearly as broad and long as the clypeus; genae very broadly and obtusely 
.angled outwardly, attaining the end of the clypeus; front two-fifths longer than wide, 
