G. C. DAVIS. 289 



ovipositor slightly esserted, basal segment very broad, triangular, carina?, obso- 

 lete ; legs long, slender; posterior femora reaching to apex of abdomen; claws 

 pectinate at base. 



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



L,ISTKOTA Foerster. 

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

 liistrota cauaUensis Harr. {Phoheten). Can. Ent. xxvi, 248, J. 



9 . — 7.5 mm. Rufous, with spot surrounding ocelli, cheeks at base of mandi- 

 bles, tips of mandibles and sutures of thorax black ; scape beneath, lower orbits, 

 cheeks beneath and mouth-parts, testaceous ; wings yellowish, subhyaline, ner- 

 vures and stigma brown, paler at base; areolet wanting; transverse median uer- 

 vure unites back of basal; thii'd discoidal cell broad at base, but strongly arched 

 above; humeral cross-nervure broken slightly below the middle; head trans- 

 verse, strongly shagreened, deeply emarginate behind ; antennje strong and about . 

 30-jointed ; face Mat, somewhat tuberculate beneath antennsB ; clypeus separate, 

 flat, emarginate at apex; thorax gibbous, punctured and shagreened ; mesonotum 

 trilobed; scutellum convex ; metathorax rugulose, rounded posteriorly and with- 

 out carinse, except the two enclosing the entire central area, median area with a 

 central carina; abdomen broad, shagreened ; ovipositor slightly exserted ; basal 

 segment arched and sul)sessile, very broad at apex ; carina? prominent nearly to 

 the tip of the segment, spiracles tuberculate. 



Desci'ibed from the type specimen kindly loaned me by Mr. Har- 

 rington. From Victoria, V. I., Canada. 



POLiYTKRlJS Foerster. 

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



Polyterus francoiiia^iisis n. sp. 



9 . — 7 mm. Black, with cij'peus, orbital spot each side, large orbital spots close 

 above base of antennae, cheeks beneath, mouth-parts, tegulee, line in front and 

 beneath, long and broad line on lateral margins of mesonotum, lower pleura-, 

 trochanters, four anterior coxse, posterior tibise at base and venter, white ; legs 

 honey-yellow, with posterior tarsi and tibite. dusky, the latter with an obscure 

 pale aunulus in the middle separated from the white base by a narrow black an- 

 nulus; antennae dark brown; wings hyaline, strongly iridescent, nervures and 

 stigma nearly black, white at base ; stigma large, triangular, the marginal ner- 

 vure starting from the middle; areolet wanting, the second recurrent uniting 

 far back of transverse cubital; humeral cross-nervure broken much below the 

 middle; head broad, somewhat inflated behind eyes, shagreened; eyes set well 

 out; face narrowed beneath ; coarsely punctured and inflated on front; clypeus 

 long, oval, three-sided at apex ; thorax finely punctured, shagreened. pleura 

 polished, metathorax scabrous: parapsidal grooves present, parallel and with 

 broad depression between them ; metathorax incompletely and indistinctly areo- 

 lated, the median areas being the plainest ; abdomen broad, ratiier short, segment 

 four broadest ; first two and base of third segments scabrous, remainder sha- 

 greened, subpolished : ovipositor slightly exserted; basal segment broad, oval 

 above, considerably narrowed at base, carinae distinct nearly to apex ; legs slender. 



One specimen from Franconia, N. H. (^Mrs. Slossoii). Type, coll. 

 Davis. 



TRANS. A.M. ENT. SOC. XXIV. (37) OCTOBER, 1897. 



