G. C. DAVIS. 275 



Three specimens from Montana and ^lassachusetts (types, coll. 

 Amer. Ent. Soc. and Davis). 



ERIOL.<EA Foerster. 

 (Synopsis der Fam. iiiid Gatt. der Ichneumonen, 1868.) 



Body opaque because of being so closely shagreened, least so on 

 upper pleural and apical abdominal segments. Head transverse, 

 clypeus transverse, elevated, somewhat depressed at apex ; parapsidal 

 grooves indicated ; scutellum elevated, oval ; metathorax finely 

 scabrous, carinte wanting, or with faint longitudinal ones. Abdo- 

 men depressed, broadly oval, smooth; petiole broad, gradually 

 widening, spiracles and carinse not prominent; apex of abdomen in 

 9 excavated beneath. Wings with an areolet. 



Anteuna;. stig;ma and petiole of abdomen broad and short • • • -opiileiita n. sp. 

 Anteuuie and stigma slender, petiole moderately so exeavatil n. sp. 



l^rigloea opulenta n. sp. 



9 . — 6 mm. Head and thorax black ; legs, antennte and abdomen ruft)us ; scape 

 beneath, large rectangular spot on face, clypeus, mouth-parts, tegulie, trochanters 

 and four anterior trochanters, yellow; front with a small tubercle beneath the 

 antennge; antenuse short, thick and tapering; thorax broad, metathorax with 

 faint longitudinal carinse; abdomen broad, excavated beneath at apex ; basal seg- 

 ment broad with faint carinas at base, spiracles small and located in the lateral 

 carina; wings subh.yaline, nervures brown, stigma thick, brown, paler on basal 

 half; transverse median nervure uniting considerably back of tiie basal. 



One specimen from New Hampshire (type, coll. Amer. Ent. Soc). 



Erigl<ea excavata n. sp. 



9. — 7-8 mm. Head and thorax black, with anterior orbital lines, clypeus, 

 mouth-parts, scape beneath, tegulte, spot in front, another beneath and triangular 

 line on margin of mesonotum, yellow; legs and abdomen beyond basal segment 

 rufous ; petiole varies from black to dusky rufous ; antennse.brownish red, slender, 

 as long as body; wings hyaline, iridescent, nervures and stigma pale brown, the 

 latter slender, lanceolate; transverse median and basal nervures interstitial ; face 

 broad, flat; antennae considerably separated at base; metathorax without carinfe 

 except a faint one beneath the s])iracles; abdomen broadest near apex, excavated 

 beneath at apex; ovipositor slightly exserted ; petiole moderately broad, rather 

 narrow at base, faint carinie at base above, spiracles slightly above the lateral 

 carina. 



Tb.ree specimens from Montana and Massachusetts (type, coll. 

 Amer. Ent. Soc. and Davis). 



L,ABROSSYT.4 Foerster. 

 (Synopsis der Fam. und Gatt. der Ichneumonen, 1868.) 

 liabrossyta froiitOMa n. sp. 



9 % . — 6 mm. Black, with abdomen, except petiole, and legs, except hind coxa?, 

 rufous; in 9 the clypeus, mouth-parts, scape beneath, tegiilte and spot in front 

 are yellow ; in addition to this the % has the face, anterior orbital lines, cheeks 



TRANS. AM. ENT, SOC. XXIV. SEPTEMBER, 1897. 



