174 [June 



57. Ich. brevipennis. n. sp. 



Reddish-brown; sutures of thorax and abdomen blackish; wings short, sub- 

 hyaline ; central area of metathorax small, transversely subquadrate. 



Female. — Reddish-brown, robust; antennae darker towards the tip, 

 involute, about half the length of the body. Thorax densely and finely 

 punctured; the sutures beneath and on each side of the scutellum, 

 blackish ; scutellum flat, polished, tinged with yellowish ; metathorax 

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

 rather small and transversely subquadrate. Wings short, sub hyaline, 

 slightly tinged with fuliginous, the posterior pair clear ; nervures fus- 

 cous, stigma fulvous ; areolet 5-angular or subtriangular. Legs stout, 

 reddish-brown, the posterior tibige at tips and their tarsi obfuscated. 

 Abdomen rather short, robust ; basal segment broad, finely aciculate ; 

 basal fovese of the 2nd segment transverse, indistinctly impressed ; 

 basal margin of the 2nd, 3rd and 4th segments above, uai-rowly black; 

 the basal and two or three apical segments paler in color than the rest ; 

 ovipositor reddish, exserted about li lines. Length 5^ lines ; expanse 

 of wings 7^ lines. 



Hah. — Rocky Mountains, Colorado Territory. 



In color, this species resembles Ich. suhfuscus, but is readily distin- 

 guished by its much shorter wings. 



58. Icli. sandix, n. sp. 



Yellowish-rufous, thorax beneath blackish, antennte tricolored : wings dark 

 fuscous : central area of metathorax moderate, subquadrate. 



Female. — Dull yellowish-rufous, rather shining, feebly punctured ; 

 antennae two-thirds as long as the body, slightly involute at tip, basal 

 joints pale rufous, the middle yellowish, the apical joints blackish. 

 Thorax above rufous, beneath black ; pleura with a rufous spot, tegulae 

 and scutellum rufous, the latter flat and polished, the space on each 

 side blackish ; metathorax rufous above, black beneath, densely and 

 rather roughly punctured, profoundly impressed behind, the elevated 

 lines well defined, the central area moderate transversely subquadrate, 

 not well defined. Wings dark fuscous, with a strong aeneous reflection ; 

 nervures black, stigma brown ; areolet 5-angular. Legs rufo-fulvous, 

 coxae black, the posterior pair tinged with rufous behind. Abdomen 

 rather short, ovate, subdepressed, basal segment broad, bilineated and 

 slightly aciculate, peduncle slender; basal foveje of the second seg- 



