18G4.] 



139 



shining, the central area large, subquadrate, rather smooth. Wings 

 subhyaline, faintly tinged with fuliginous ; nervures blackish, stigma 

 piceous ; areolet 5-angular, almost triangular. Legs black, the anterior 

 tibia3 in front pale. Abdomen elongate, subopaque, very finely and 

 densely punctured ; first segment rather broad, bilineated and finely 

 aciculate; basal foveas of the second segment deep, transverse and some- 

 what oblique ; ^apical segments smoother and shining ; ovipositor not 

 exserted. Length 7 lines ; expanse of wings 11 lines. 



Hah. — New York (Mr. James Angus) ; lUiuois (Dr. Saml. Lewis). 



7. Ich. cincticornis. n. sp. 



Black; antennse with a broad white anuulus ; wings fuliginous; central area 

 of metathorax large, quadrate. 



Female. — Black, closely punctured ; antennae more than half the 

 length of the body, black, the 9th to 17th joints white above and be- 

 neath. Thorax opaque, scutellum convex, strongly punctured ; meta- 

 thorax confluently punctured, the elevated lines sharply defined, the 

 central area large, quadrate. Wings tinged with fuliginous; nervures 

 and stigma blackish ; areolet 5-angular. Legs black, the anterior tibiae 

 in front yellowish. Abdomen elongate, rather slender, subopaque, 

 densely and finely punctured, apical segments smooth and shining; 

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

 yellow, exserted about one line. Length 65 lines; expanse of wings 

 10 lines. 



Hah. — Pennsylvania. Mr. Chas. A. Blake. 



Resembles Ich. atcr, but the antennae are longer and more slender, 

 and the white annulus broader ; the head is entirely black, the central 

 area larger and quadrate and the areolet of the superior wings is 5- 

 angular and not subtriangular. 



8. Ich. Blakei, n. sp. 



Black; antennae with a broad white annulus; wings blackish-fuscous; cen- 

 tral area of metathorax obsolete. 



Male. — Head black, the clypeus and mandibles shining, clothed with 

 short black pubescence ; palpi black ; antennae porrect, three-fourths 

 the length of the body, black, the 8th to 18th joints pure white, the 

 8th and 15th to 18th joints spotted beneath with black. Thorax black, 

 closely punctured ; mesothorax in front with a deeply impressed longi- 

 tudinal line on each side, between which there is a longitudinal carina 

 more distinct on the extreme front; scutellum convex, black, very 



