1864.] 167 



lines well defined, the central area large, quadrate, slightly transverse. 

 Wings subhyaline, faintly tinged with fuliginous; nervures fuscous; 

 stigma fulvous ; areolet 5-angular or subtriangular. Legs black, the 

 tibiae piceous and the tarsi ferruginous. Abdomen robust, strongly 

 arcuated, rufo-fuscous, polished towards the apes ; basal segment black- 

 ish, bilineated. finely aciculate ; basal fovefe of the second segment 

 rather deep and coarsely aciculate ; ovipositor not exserted. Length 

 5 lines; expanse of wings 8^ lines. 



Hah. — Pennsylvania. Mr. J. H. B. Bland. 



To this Section also belongs Irli. grandis Brulle, Ich. devinctor Say 

 (t=tibialis Brulle), and Ich. succinctus Brulle, the first of which is 

 unknown to me. 



Section 7 — b. 

 47. Ich. seminiger, u. sp. 



Dull rufous ; apex of antennte, thorax beneath, metathorax and basal mar- 

 gin of 3rd and 4th abdominal segments, black; seutellum yellow ; wings sub- 

 hyaline : central area of metathorax large, subquadrate. 



Female. — Dull rufous. Head : palpi pale ; antennae about half the 

 length of the body, involute, the 1st to 8th joints rufous, sometimes 

 fuscous, the 9th to 15th joints whitish or yellowish, the remainder 

 blackish or brownish, the basal joint beneath always rufous. Thorax 

 finely punctured, shining, black ; the mesothorax above dull rufous ; 

 seutellum flat, polished, yellow ; metathorax finely punctured, black, 

 the elevated lines well defined, the central area large, subquadrate, 

 truncate in front and deeply indented behind. Wings subhyaline, 

 slightly and uniformly stained with fuscous ; nervures fuscous, paler 

 at base; stigma pale fulvous; areolet 5-angular, rather oblique. Legs 

 rufous, shining, coxte black, the four anterior ones occasionally reddish 

 beneath. Abdomen rather short, robust; basal segment broad, biline- 

 ated, finely aciculate, and having a small round yellowish spot on each 

 side, sometimes obsolete or wanting ; petiole black ; basal foveae of the 

 second segment small, not deep ; basal margin of the third and fourth 

 segments above narrowly black; apical segments smoother than the 

 basal ones; ovipositor not .exserted. Length 5^ lines ; expanse of wings 

 9 J lines. 



Hah. — Mass.. N. J.. Penn., Virginia. 



Allied to Ich. sufiiralis Say, but differs by the tricolored antennae. 



