HEMIPTERA OF COLORADO. 



109 



than wide, once and three-fourths the 

 lengtli of the clypeus, superior angle 

 somewhat greater tlian a right angle, 

 ratlier sliarply rounded. Disc of ver- 

 tex smooth, once and a half as long on 

 middle as next eyes. Pronotum very 

 minutely transversely wrinkled on 

 posterior three-fourths, anterior 

 margin broadly rounded, hind margin 

 nearly straight, sides short. Scutel- 

 lum broader than long, transverse 

 groove slightly curved backward. 

 Last ventral segment with hind mar- 

 gin nearly truncate. Color pale yel- 

 low marked with smoky; face and 

 vertex pale yellowish, posterior one- 

 half of latter with a median black line; pronotum p;ile yellow on anterior and lateral 

 margins, remainder darker; scuteilum black, basal angles sometimes yellowish; elytra 

 yellowish, subhyaline, apex smoky, clavus with a large deep smoky blotch at tip; venter 

 blackish, last segment yellow; tergum blackish, with tips and lateriU margins of seg- 

 ments more or less yellowish; prosternum black ; legs pale yellow. 

 Length 3 mm. Described from two females. 



Dolores, June 18th (Gillette). 



l^mpoasca obtiisa Walsh. l)et. Gillette. 



Fort Collins, June 23d on Virginia Creeper; Estes Park, 

 July r2th; Colorado Springs, August 2od; Manitou, Septem- 

 ber 29th, on willow; Minturn, August 24th; Leadville, 

 August 23d (Gillette). Fort Collins, June 9th. on alfalfa, and 

 August 4th on Cottonwood; Steamboat Springs. July 1 5th, 

 on willow (Baker). Colorado Springs, August (Tuckeri. 



ISmpoasca pulchella n. sp. 



Female: Clypeus a third longer than wide, basal suture 

 straight; lorae long and narrow, scarcely grooved, attain- 

 ing the end of the clypeus; front two-thirds longer than 

 broad, nearly twice the length of the clypeus, suneiior angle 

 obtusely rounded. Face and vertex without sculpturii.g:, 

 opaciue. Disc of vertex scarcely longer on the middle tliiin 

 at the sides. Pronotum twice as wide as long, ivvut margin 

 broadly rounded, hind i largln decidedly cone. ive, posterior 

 angles broadly, roun'led, sides rather 

 short, without distinct sculpturing bat 

 with tw" small pits near the niedlim 

 line one-fouith of the distance \y\c\i 

 fr<im the anterior margin, ^cuiellum 

 bioadir than long, transvt I se groove 

 black. Last ventral «'^gmeni wiili the 

 hind margin deeply an.i broadly notch- 

 ed, posteiior angles roiuidiil. i- olor 

 steel blue varied with siuxky aiifi 

 oriinge; head pale orange, genae and a 

 large tria ngu la r ma rk on front extend- 

 ing onto and across vertex medially, 

 ivory white: disc of vertex with a, 

 bhick median line on iiosterior two- 

 hirds; ocelli rufous a nd distant from 

 tiieeyet; pronotum pale blue washed 



