HEMIPTEEA OP COLORADO 
111 
or bluish green, with front and lateral margins yellowish, hind margin sometimes whitish; 
disc of pronotum sometimes with three faint longitudinal orange lines; scutellum 
yellowish, sometimes posterior angles bluish, elytra milky subhyaline, clavus with two 
faint longitudinal orange marks, another near tip, a faint broken longitudinal orange 
line on corium, veins whitish towards apex; abdomen pale greenish yellow; legs pale 
yellow at base shading into deep blue at tips. 
Length 2.5 mm. Described from three males. 
Steamboat Springs, July r2th, on Artemisia tridentata 
(Baker). 
^mpoasca viridescens Walsh. Det. Gillette. 
Fort Collins, September 27th, on Solidago spectabilis 
(Gillette). 
Typhlocyha bifasciata n. sp. 
Near tricincta. Female: Clypeus once and a quarter as long as broad, basal suture 
straight; genae long and narrow, with a broad deep groove from eye to clypeus, slightly 
concave outwardly, broadest at eye, attaining tip of clypeus; lorae as long and some¬ 
what narrower than clypeus; front three-fourths longer than broad between eyes, 
three times as long as clypeus, superior angle more than a right angle and broadly 
rounded. Face and vertex very finely and obsoletely punctured, more distinctly on 
upper part of front. Disc of vertex, flat, sloping, 
slightly less than one-half longer at middle than at 
eyes. Pronotum slightly less than twice as broad as 
long at middle, broadly rounded before, slightly 
concave behind, posterior angles rather sharply 
rounded, lateral margins long; disc of pronotum 
with anterior third smooth, posterior two-thirds 
very indistinctly transversely rugose; scutellum 
slightly shorter than pronotum, broader than long, transverse groove straight, black, 
ends bent backwards; last ventral segment with hind margin broadly rounded. Color 
yellow; face, vertex, and pronotum, light lemon yellow, concolorous; scutellum dark 
smoky; elytra light lemon yellow with a broad smoky transverse band just in front of 
middle, broader on inner margins, another broad smoky band at apex, lighter on middle 
portion; venter pale yellow; legs pale whitish yellow. Length 4 mm. 
Described from one female. Minturn, August 24tb, 
(Gillette). We also have specimens from New York(Lint- 
ner) Illinois (Forbes) and Iow a (Osborn). 
Typhlocyba comes Say. Det. Gillette. 
Canon City, August 3Ist, on plum; Manitou, September 
29th on oak (Gillette). 
Typhlocyba havomarginata n. sp. 
Female: Clypeus a third longer than broad, basal suture straight, sides nearly 
parallel; lorae and genae as in bifasciatus: front three 
times the length of clypeus, one-third broader than 
long, superior angle greater than a right angle, broadly 
rounded. Face, vertex, and pronotum, sculptured as 
in bifasciatus. Proportions of vertex, pronotum and 
scutellum, same as in bifasciatus. Last ventral seg¬ 
ment with posterior angles produced, acute, a broad 
deep emargination between them, the base of which is 
