HEMIPTERA OF COLORADO. 
87 
long as the clypeus. Sutures, other than those bounding the front, lighter. A small black 
spot on either pygofer. 
Length of female 4.6 mm., of male 4 mm. Described from three females and ten 
males 
Estes Park, July 12th (Gillette). Steamboat Springs, July 
13th on Carex and willow (Baker). 
Deltocephalus concentricus VanD. Det. VanDuzee. 
Mountains of north-western Colorado (Gillette—see VanDuzee, 3). Colo¬ 
rado (VanDuzee, 4). 
North Park, July 20th (Gillette). 
Deltocephalus conUguratus Uhl. Det. Osborn. 
Steamboat Springs, July 14th (Baker). 
Deltocephalus dehilis Uhl. Det, VanDuzee. 
Sides of high mountains, and near Fair Play, South Park, July (Carpenter— 
see Uhler, 6). Colorado (VanDuzee, 4). 
Horsetooth Gulch, June 5th; North Park, July 20th; 
Steamboat Springs, July 26th; Estes Park, July 12th; Gray- 
mont, July 16th (Gillette). Steamboat Springs, July 13th on 
Carex and Solidago (Baker). 
Deltocephalus tiavo-virens n. sp. 
Face one-seventh wider than long; clypeus one-fourth longer than broad, about 
three-fifths the length of the front, gradually narrowing to the rounded apex, basal 
suture slightly convex; lorae subovate, nearly as long and about one-half as 
broad as the clypeus; genae broadly rounded at the sides, attaining the apex of the 
clypeus and broad below the lorae; front nearly as wide as long, sides straight past 
the antennae, narrowing to the clypeus be¬ 
low, superior angle considerably more than a 
right angle. Face and anterior margin of 
vertex finely shagreened. Disc of vertex 
rather strongly depressed on posterior half, 
length at middle about once and a half that 
next the eyes, width between the eyes about 
one and a third times the length at middle. 
Pronotum nearly twice wider than long, 
about one and a fourth times the length of 
the vertex, curvature four-sevenths of the 
length, posterior margin very slightly con¬ 
cave, anterior fourth glabrous, posterior 
three-fourths very faintly transversely 
wrinkled. Scutellum faintly scabrous. Last 
ventral segment with the hind margin greatly produced at the center, ending in two short 
acute points. Color greenish yellow. Face smoky with lighter concentric lines above, 
sutures of the front black. Vertex yellow, ocelli with a very small black spot on the sides 
next the eyes. Pronotum greenish yellow, darker on the disc. Scutellum im¬ 
maculate. Elytra yellowish hyaline, nervures yellow. Basal segments of venter with 
apical and lateral margins narrowly yellowish, the apical segments yellow, the last one 
with the produced part black. Ovipositor black, pygofers very hairy. Legs yellow, ex¬ 
cept small black spots at base of tibial spines. 
Length, female, 4.76 mm., male, 4.26 mm. Described from one male and one female . ___ 
