HEMIPTERA OF COLORADO. 



97 



eyes, outer margin broadly angled, attaining the tip of the 

 clypeus, unusually broad beneath the lorae; front one-slxtli 

 longer than broad, twice as long as the clypeus, gradually nar- 

 rowing below, superior angle rather broadly rounded. Face 

 and vertex finely shagreened. Eyes with a small liut distinct 

 emargination at the antennae. Disc of the vertex shallowly 

 and broadly depressed, length at middle once and one- 

 third that at the eyes, width between the eyes once and a third 

 the length at the middle. Pronotum about two and two-fifths 

 times wider than long, length one-seventh greater than that of 

 the vertex, curvature two-fifths of the length, feebly wrinkled 

 on the posterior three-fourtlis, slightly concave behind, sides 

 short and not carinate. Scutellum finely shagreened. Hind 

 margin of the last ventral segment truncate, with a median 

 slit, the hind angles produced and broadly rounded. Color 

 black, with yellow markings. Front with Ave light dashes on 

 either side and the lower margin yellowish. Crest of the vertex 

 yellow, back of this are two black and two yellow lines extend- 

 ing from eye to eye, a black median line on posterior one-half. 

 Pronotum with a median transverse band and the hind margin 

 yellow. Scutellum with the sides yellow. Elytra dark smoky, 

 nervures and a broad line on the costal margin bright yellow, 

 middle of the cells paler. Abdomen black. Propleura with a yellow spot. Legs black, 

 distal end of anterior femora and a line on outside of posterior tibiae, yeUow. 

 Length 4.5 mm. Described.from one female. 



Leadville, August 23d (Gillette). 



Thamnotettix longiila n. sp. 



Face one-ninth wider than long; clypeus two-thirds longer than broad, gradually 

 broadening to the apex, sides nearly straight; lorae as wide as the clypeus, and one- 

 fourth longer; genae Droad, nearly flat beneath the eyes, 

 outer margin sharply rounded, hardly attaining the tip of 

 the clypeus, very narrow below the lorae; front one-fourth 

 longer than broad, twice the length of the clypeus, gradu- 

 ally narrowing below, superior angle obtusely rounded. 

 Face and vertex finely shagreened. Disc of vertex flat, 

 sloping, one-third longer at the middle than at the sides, 

 width between the eyes little less than twice the length at 

 the middle. Pronotum one and three-fourths times wider 

 tlian long, length two and one-fourth times that of the 

 vertex, curvature about one-half of the length, smooth on 

 anterior one-fourth, finely transversely wrinkled and with 

 shallow scattered punctures on posterior three-fourths, 

 hind margin slightly concave, sides carinate. Scutellum 

 finely shagreened, transverse groove curved forwards. 

 Color fulvous brown, nearly immaculate. Face with 

 about six indistinct transverse bands on either side of the 

 front. Verte.x with a median dark brown line, and a dark 

 spot near the compound eyes on either side just within the 

 posterior margin. Pronotum with a faint yellow longitudi- 

 nal line, anterior margin whitish in the center. Scutellum 

 with two longitudinal pale lines running forwards from 

 ends of transverse gro<)ve, between these lines are two 

 dark spots, tip pale. Elytra uniform smoky subhyaline 

 with nerves and central portions of cells pale. Venter and 

 legs unicolorous. 



Length 5 mm. Described from two males. 



Fort Collins, September 26th on Carex (Gillette). 



