G. C. DAVIS. 323 



Oxy torus aiiteuiiatus Cress. {Mesoleptus), Proc. Eut. Soc. Phil, iii, 272. 

 Mesoleptiin fiicettis Cress., Trans. Amei. Ent. Soc. ii, 100. 



% .—7 mm. Rufous to piceo-rufous, with head opaque blackish, and with au- 

 nulus on antennae and hiud tarsi, white; scape and mouth-parts rufous; rest of 

 anteunse blackish ; wings hyaline, nervures and stigma pale ; a slightly larger 

 specimen from Louisiana has a narrow annulus on antennse and none on hind 

 tarsi. The only difference between the two types is that one is nearer piceous 

 than the other. 



Three specimens from Delaware, West Virginia and Louisiana 

 (tyjjes, coll. Amer. Ent. Soc). 



SYMPHOBUS Foerster. 

 (Synopsis der Fani. and Gatt. der Ichneumonen, 1868.) 

 Syinphobiis pleiiralis Cress. (Trt/phon), Proc. Eut. Soc. Phil, iii, 275. 



9 . — 5 mm. ; ovipositor ..5 mm. Black, with pleura, sternum, scutellum and 

 lateral portiou of segments 2 and 3 of abdomen, rufous; legs honey-yellow, pos- 

 terior tarsi and apex of the femora and tibiae also, dusky; clypeus. mouth-parts 

 and tegulfe, pale yellow; abdominal segments distinctly margined with white 

 beyond the second ; wings hyaline, nervures and stigma brown ; areolet small, 

 petiolate ; radius starting from the middle of the stigma ; humeral cross-vein of 

 hind wing broken above the middle; thorax short, mesonotum strongly elevated 

 in front anfi without parapsidal grooves; metathorax oval, with faint longitu- 

 dinal carinae; abdomen well proportioned, considerably compressed at apex, 

 smooth ; petiole gradually widened, broad at apex and without groove or carina; 

 body opaque, shagreened and pilose. 



Type specimen from New Jei'sey. 



ZKMIODEJi Foerster. 

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

 Metanotum with longitudinal carinse. 



Posterior coxae Idack ; transverse median nervure uniting with externo-median 



back of basal coloradeiisis n. sp. 



Posterior coxae rufous; transverse median and basal nervures interstitial. 



flavifruiis Cress. 

 Metanotum polished, without carina ; antennae iucrassate, black. 



inagiiacoriiis n. sp. 

 Zeiniodes coloradensis n. sp. 



9 % . — 7-11 mm. Head and thorax black, with face, mouth-parts, scape be- 

 neath and tegulae yellow, four anterior legs and hind trochanters yellow to ferru- 

 ginous ; hind legs rufous, coxae black ; abdomen rufous, with the apex sometimes 

 black, and the first two segments more or less black; antenute reddish brown; 

 wings subhyaline, nervures and stigma brown ; transverse median nervure uniting 

 with the externo-median back of the basal ; body punctured, pilose, subpolished, 

 abdomen most strongly shagreened ; mesonotum with parapsidal grooves present 

 anteriorly; metathorax slightly scabrous and with distinct longitudinal carinae; 

 abdomen elongate ; petiole straight, slender, slightly carinate on basal portiou, 

 considerably broadened behind the tuberculate spiracles ; ovipositor short, 

 straight; second abdominal segment with carina from base to the spiracles; legs 

 slender, claws large. 



Five specimens from Colorado (coll. Amer. Ent. Soc. and Davis). 



TR.\NS. .^M. ENT. SOC. XXIV. DECEMBER, 1897. 



