G. C. DAVIS. 



369 



spot in front of it on mesonotam, meso- and metapleura, except upper portion 

 and sternum, rufous; abdomen brown, with venter more or less white ; legs 

 white, femora yellowish white, posterior legs with brown annulus at base and 

 apex of femora, one between base and middle of tibiie and at apex of tibije and 

 tarsal segments; wings hyaline, nervures and stigma pale brown, white at base, 

 outer vein of areolet incomplete at base and apes : ovipositor short, strong, 

 slightly ventral ; thorax and abdomen shining and sparsely punctured. 



Five specimens from IVIt. Washington, N. H. (Mrs. Slosson) and 

 named in honor of her for the many new specimens sent me. 



PolyNpliiiicta iniuuta n. sp. 



9. — 4 mm.; ovipositor 1 mm. Piceous, with moutb-parts, face beneath an- 

 tennse ; lower portion of antennse, prothorax, tegulse and portion around it, par- 

 apsidal lines, scutellum, broad apical and lateral margins of abdominal segments 

 and legs, honey-yellow; wings hyaline, iridescent, nervures and stigma brown ; 

 areolet wanting, the cubital nervure forming a direct line with the base of mar- 

 ginal, humeral cross-nervure of hind wing not broken ; body polished, parapsidal 

 gi'ooves deep; metathorax carinate. lacking the basal transverse carinfe ; ab- 

 dominal segments broad, deeply indented, forming central rhomboidal raised 

 areas, the indentures reticulate. 



One specimen from Agricultural College, Michigan. 



Pol,r!<|>hiiicta graniiloi^a n. sp. 



9. — 3 mm. Black, with mouth-parts, base of antennse beneath; tegulpe, spot 

 in front and beneath, trochanters, four anterior coxte and four posterior tibiiB, 

 except apex, white; four posterior tarsi and apex of their tibife brownish black, 

 remainder of legs honey-yellow; wings hyaline, iridescent, nervures and 

 stigma brown, areolet wanting, the cubital cross-vein scarcely visible; head 

 and thorax polished, impuuctured, metathorax and abdomen grauularly sha- 

 greened ; mesonotam trilobed, metathorax areolated, but lacking the basal trans- 

 verse carina, basal segment of abdomen with distinct carinse, the following seg- 

 ments with a convex transverse impression before the apex, ovipositor short, 

 straight. 



One specimen from Agricultural College, Michigan. 



Clii^topyga nigroceplialiis n. sp. 



%. — 3 mm. Black, with mesothorax, except anterior part of median lube of 

 mesonotum, scutellum and metapleura, rufous; scape, mouth-parts, tegula% spot 

 in front, spot beneath, margins of mesonotum, basal portion of abdominal seg- 

 ments 2-4, four anterior legs, posterior trochanters and annulus at base and mid- 

 dle of posterior tibiae, white; posterior coxte and femora rufous: posterior tibife 

 dusky, except the white annulus. tarsi dusky, paler at base ; wings hyaline, iri- 

 descent, nervures pale brown, stigma darker, aieolet wanting; antennae dark 

 brown; head glabrous, thorax and abdomen shagreened ; distinct parapsidal 

 grooves, metathorax with cariute on apical portion, abdomiual segments with 

 rhomboidal elevatious. 



One specimen from Algonquin, 111. (Dr. Nason). 



TRANS. .\M. ENT. SOC. XXIV. (47) DKCEMBER, 1 S97. 



