162 [June 



white spot ; metatlioras scabrous, the elevated lines well defined, the 

 central ai'ea small, elongate, subcorneal, smooth and polished. Wings 

 fuliginous, darkest alons the costa ; nervures and stic-ma black, the 

 latter with a pale spot at base ; areolet 5-angular. Legs black, the in- 

 termediate coxfe beneath with a rounded white spot, the anterior and 

 intermediate legs in front white, tarsal claws black. Abdomen elon- 

 gate, sublinear, depressed, opaque yellowish-ferruginous; basal seg- 

 ment black, bilineated, finely aciculate at tip; basal foveae of the second 

 segment deep and oblique ; apical segments somewhat shining. Length 

 10 lines ; expanse of wings 15 lines. 

 Hah. — Pennsylvania. E. T. Cresson. 



40. Ich. vinulentus, n. sp. 



Black; face, scutelluin and legs in part, white; abdomen rufous; wings sub- 

 hyaline : central area of metathorax quadrate. 



Male. — Head black, the face below the antennas, frontal orbits, cly- 

 peus, a spot near the tip of the mandibles, and the palpi, white; an- 

 tennae two-thirds the length of the body, blackish, the basal joint 

 beneath white. Thorax black, shining, finely, closely and uniformly 

 punctured ; tegulae, a cuneiform mark before and a short line beneath 

 the fore-wings, white ; scutellum almost flat, smooth, shining and en- 

 tirely white ; metathorax opaque black, finely scabrous, the elevated 

 lines smooth and shining, the central area large, quadrate, not at all 

 transverse, more finely sculptured than the rest of the metathorax. 

 Wings subhyaline, with a slight brassy gloss; the nervures and stigma 

 dark fuscous, the former much paler at base ; areolet 5-angular or al- 

 most triangular. Legs white; the coxas, except a small spot posteriorly, 

 the outer surface of the anterior and intermediate femora except their 

 extreme base and apex, the posterior femora except their extreme base, 

 and almost the terminal half of the posterior tibiae, black. Abdomen 

 rufous; the basal segment black, distinctly bilineated, finely aciculate, 

 interspersed with a few punctures at base ; basal foveas of the second 

 segment deep and somewhat oblique, this and the following segments 

 opaque, very densely and finely punctured, the punctures becoming 

 finer and the surface smoother towards the apex. Length 1\ lines ; 

 expanse of wings 12^ lines. 



Hab. — Rocky Mountains. Colorado Territory. 



