G. C. DAVIS. 309 



apex and with two distinct longitudinal carina at base ; abdomen 

 oval, slender, not or but slightly compressed at apex and with the 

 ovipositor placed on the dorsum in the 9 ! wings with areolet. 



Head and thorax rufous <*iilt us Cress. 



Head and thorax black excavatus u. sp. 



XotO|>yg;iiS cult IIS Cress. {Mesoleptus). Trans. Amer. Ent. See. ii, 99. 



9. — 9 mm. Uniform ferruginous, with face and niontli-parts yellowish and 

 spot enclosing ocelli, another around base of antennse and dorsum of segments 

 3 and 4 of abdomen, dusky; wings subhyaline with nervures and stigma ferru- 

 ginous; body punctured, shining, pilose; mesonotum subtrilobed iu front; 

 carinse on second abdominal segment short, but distinct. 



Type specimen from New Jersey (coll. Amer. Ent. Soc). 



IVotopygiis exravatus n. sp. 



9. — 12 mm. Black; abdomen rufous, except petiole from base to spiracles. 

 which is black ; antenna! sockets, clypeus, mouth-parts, tegulse, spot in front and 

 legs from knees out, orange-yellow; remainder of legs, except the black posterior 

 coxae, rufous; body shining, rather coarsely and sparsely punctured and pilose: 

 clypeus elevated, transverse ; antennae brown, rather large, short segments ; wings 

 yellowish hyaline, nervures and stigma brown ; cariute on petiole prominent, 

 and on the second segment reach rather more than half the length of it; parap- 

 sidal grooves wanting. 



One specimen from Nevada (coll. Amer. Ent. Soc). 



PROSMOSUS Foerster. 

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

 Hind legs short; femora subincrassate. 



Head and thorax black ; mouth rufous puiK'tifiMHis n. sp. 



Head and thorax mostly rufous ; face yellow cyiiibaforiiiiiN n. sp. 



Hind legs and body elongate ; rufous, with head black eluiigatii!<i n. sp. 



Prosinosii!«i puiK'tifroiis n. sp. 



%. — 6 mm. Black, with abdomen except basal two-thirds of petiole, rufous; 

 legs, mouth-parts and scutellum rufous; metathorax slightly reddish; narrow 

 annulus on antennse and tegulae whitish yellow; apex of posterior tibiae and 

 femora dusky ; wings hyaline, nervures and stigma reddish brown ; areolet trian- 

 gular, petiolate ; head coarsely shagreened and finely punctured; face narrowed 

 beneath the eyes; clypeus scarcely separated and with slight transverse median 

 elevation: antennse subclavate ; thorax shagreened and punctured, flanks of the 

 thorax longitudinally reticulate ; metathorax fully but faintly areolated, apical 

 median cell reticulate, apical carina s|)inose ; abdomen polished; petiole curved, 

 narrow, scarcely widening behind spiracles; legs short, robust. 



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



ProsiiiO!«ii!i$ cyinb-.iroriniiK n. sp. 



9. — 8 mm. Pale rufous, witii coxai, pectus, metasternum, occiput, vertex 

 around ocelli and si)ot around antennae at base, dusky ; antennte black with white 

 annulus on segments 14-2.5; clypeus, mouth-parts and orbital spots above eyes, 

 pale yellow; wings subhyaline, nervures and stigma yellowish brown; areolet 



TRANS. AM. ENT. SOC. XXIV. NOVEMBER. 1H97. 



