172 [June 



and a short line beneath the wings, yellowish; seutellum rather con- 

 vex, yellow, polished, the space on each side blackish ; metathorax in- 

 distinctly punctured, opaque, the elevated lines indistinct, central area 

 rather large, quadrate, not well defined. Wings fusco-hyaline, with a 

 slight violaceous reflection ; nervures fuscous, testaceous at base, stigma 

 fulvous ; areolet 5-angular. Legs yellowish-ferruginous varied with 

 yellow; tips of posterior tibice blackish. Abdomen very elongate, 

 rather slender ; basal segment distinctly bilineafed and finely aciculate ; 

 basal foveas of the second segment deep and oblique ; the third and 

 three following segments each with a narrow black fascia at base above ; 

 apical segments smoother ; beneath yellowish-ferruginous, the middle 

 of the segments stained with yellowish. Length 7 lines ; "expanse of 

 wing 10 lines. 



Hah. — Rocky Mountains, Colorado Territory. 



Resembles Ich. propinquus, but the color is paler, the form much 

 more elongate and slender, and the antennae almost entirely black. It 

 is possible, however, that it may be the male of that species. 



55. Ich. propinquus, u. sp. 



Reddish-fulvous; apical half of antennre, suturesof the thorax aud the basal 

 margin of 2nd, .3rd and 4th abdominal segments, black; wings fusco-hyaline; 

 central area of metathorax moderate, quadrate, rather transverse. 



Female. — Bright reddish-fulvous, shining, very minutely punctured; 

 antennae half the length of the body, involute, apical half blackish. 

 Thorax : the mesothorax shining ; a line on the collar above, the su- 

 tures of the pleura and the spaces on each side of the seutellum, black ; 

 seutellum slightly convex, polished, tinged with yellowish ; metathorax 

 finely punctured, the elevated lines tolerably distinct, the central area 

 moderate, quadrate, slightly transverse. Wings fusco-hyaline, with a 

 slight yellowish tinge ; nervures fuscous, pale at base, stigma fulvous ; 

 areolet 5-angular. Legs bright fulvous, polished, basal sutures of the 

 coxse blackish. Abdomen elongate-subovate, rather robust ; basal seg- 

 ment distinctly bilineated, finely aciculate ; basal fovea? of the 2nd seg- 

 ment small, black, as well as the margin between them; ord and 4th 

 segments with a narrow black band at base ; apical segments smooth 

 and polished ; beneath tinged with yellowish ; ovipositor not exserted. 

 Length 6^ lines; expanse of wings 11 lines. 



Bab. — Rocky Mountains, Colorado Territory. 



