142 [June 



impressed poiut on each side, mandibles and palpi piceous ; antennte 

 short, involute, fuseo-sericeous. Thorax somewhat shining, finely punc- 

 tured ; tegulcB rufo-testaceous ; scutellum flat, smooth and polished ; 

 metathorax densely and somewhat roughly punctured, the elevated 

 lines well defined, the central area large, elongate-subquadrate. Wings 

 subhyaline, faintly stained with fuscous ; nervures fuscous, testaceous 

 at base, stigma fulvous ; areolet 5-angular. Legs fvilvous, the coxae, 

 the posterior femora at tip and their tarsi black. Abdomen elongate, 

 rather slender, densely and finely punctured, the apical segments 

 smooth and shining; the first segment bilineated, finely aciculate ; 

 basal foveas of the second segment deep ; beneath black ; ovipositor 

 not exserted. Length 6^ lines; expanse of wings IH lines. 

 Hah. — Pennsylvania. E. T. Cresson. 



13. Ich. semilsevis, n. sp. 



Black: antennae with a narrow white annulus ; wings subhyaline; femora 

 fulvous; central area of metathorax quadrate. 



Female. — Black ; head shining, closely punctured ; face short, a 

 rounded carina beneath the insertion of the antennae; narrow orbits 

 above the antennse and a spot at the summit of the eyes, white ; clypeus 

 with a few large punctures, its anterior margin and the mandibles to- 

 ward their tips, rufo-piceous ; antennae short, involute, the joints sub- 

 moniliform, black, the 10th to 16th joints white above, beneath towards 

 the tip they are brown-sericeous and flattened, basal joint robust, shin- 

 ing black. Thorax polished, sparsely punctured, the disk above as well 

 as the scutellum almost destitute of punctures, being very smooth and 

 shining ; scutellum flat ; metathorax densely and rather roughly punc- 

 tured, the elevated lines tolerably well defined, the central area quad- 

 rate, not very distinct. Wings almost hyaline, faintly stained with fuli- 

 ginous, nervures and stigma black ; areolet 5-angular. Legs black, 

 shining; all the femora and the anterior and intermediate tibi^ and 

 tarsi rufous, the latter obfuscated at tips. Abdomen black, tinged with 

 purple, polished towards the tip ; petiole short ; the 1st segment biline- 

 ated, finely aciculate ; basal fovese of the second segment deep and 

 oblique, between these foveas the surface is longitudinally rugose, the 

 rugosity extending down the middle of the segment almost to its tip ; 

 the seventh segment sulcate above. Length 6^ lines ; expanse of wings 

 Hi lines. 



