166 [June 



black. Abdomen elongate, finely and closely punctured, shining, ru- 

 fous, base of petiole blackish ; basal segment not much dilated, biline- 

 ated, the disk with a shallow fovea ; basal fove?e of the second segment 

 deep and oblique ; basal incisures of the 3rd and 4th segments black- 

 ish ; apical segments smooth and polished, the last one tinged with 

 yellowish. Length 4 lines; expanse of wings 62- lines. 

 Htilj. — Rocky Mountains, Colorado Territory. 



45. Ich. fuscifrons, n. sp. 



Black ; face dark brown, basal half of antennse, two spots on nietathorax, 

 legs and abdomen rufo-fuscoiis ; scutellum and middle of autennce white; wings 

 hyaline ; central area of metathora x rather large and subquadrate. 



Female. — Head black, the face beneath the antennae, the frontal 

 orbits, the clypeus and mandibles, dark brown ; palpi paler ; antennae 

 about half the length of the body, the 8 basal joints rufo-fuscous, the 

 7 following white and the remainder black above, fuscous beneath. 

 Thorax black, clothed with short yellowish-sericeous pubescence ; the 

 tegulje, a spot befoi'e and another beneath the posterior wings, rufous ; 

 a short line beneath the anterior wings and the scutellum, yellowish- 

 white, the latter rather flat, polished ; metathorax densely punctured, 

 opaque, with a dull rufous spot on each side, the elevated lines sharply 

 defined, the central area large, subquadrate, slightly elongate. Wings 

 hyaline, nervures fuscous, stigma pale testaceous, areolet 5-angular. 

 Legs pale rufo-fuscous, the intermediate coxjb yellowish beneath. Ab- 

 domen elongate, rufo-fuscous ; a small spot on each side of the first seg- 

 ment at tip, an obsolete spot on each side of the third segment poste- 

 riorly and the disk of the two apical segments, yellowish ; basal segment 

 with the peduncle black, rather slender ; apical segments smoother and 

 somewhat shining. Length 6 lines ; expanse of wings 9 lines. 



Hah. — IlUnois. Dr. Samuel Lewis. 



46. Ich. funestus. n. sp. 



Black: head varied with dull rufous; anteuuce with a white annulu.-^ : scu- 

 tellum yellow ; abdomen rufo-fuscous ; wings hyaline : central area of meta- 

 thorax large, quadrate. 



Female. — Head black, the orbits (yellowish in front), and the lower 

 part of cheeks, dull rufous ; antennae short, involute, black, 9th to 15th 

 joints white. Thorax feebly punctured, shining, black ; beneath the 

 anterior wings a short yellowish line ; scutellum flat, polished, yellow, 

 with a yellow spot behind ; metathorax finely punctured, the elevated 



