ICIINEUMONIDiE. 107 



hyaline, iridescent, nervures and stigma black, areolet small, obliquely trian- 

 gular, petiolated; legs short and robust, black, tips of four anterior femora and 

 their tibiae except tips, and the basal half of the posterior pair, whitish ; claws 

 simple ; abdomen subsessile, subclavate, shining and convex at tip, very closely 

 and finely punctured, first segment with two central, longitudinal carinas not 

 reaching the tip. Length 3i — 33 lines. 

 Ilab. — Massachusetts; Connecticut. Two 9 specimens. 



T? nasutus. — 9- Head piceous, shining; anterior orbits, most of cheeks, spot 

 on middle of face, clypeus, mandibles, and palpi, whitish ; upper portion of 

 clypeus produced into a long prominent, nose-like projection, slightly hooked 

 when viewed laterally; beneath this the clypeus is slightly concave; antennse 

 long, slender, black, paler beneath, the scape beneath and a narrow annulus 

 near the apex of flagellum, whitish; mesothorax ferruginous, shining, promi- 

 nently trilobed in front; prothorax black, margined above and beneath with 

 white; seutellum pale ferruginous, blackish on the sides, metathorax rugulose, 

 smoother down the middle, black, the extreme sides whitish ; pectus and pleura 

 whitish, the latter tinged with fulvous beneath the wings; tegulse whitish: 

 wings hyaline, iridescent, nervures pale brownish, stigma luteous, areolet want- 

 ing; legs long and slender, entirely j)ale luteous, extreme tips of the posterior 

 tibiae dusky, claws simple; abdomen narrow, subcylindrical, subsessile, longi- 

 tudinally rugulose, opaque black above, luteous beneath ; apical segments above 

 with pale indistinct apical margin; ovipositor exserted one-fourth the length 

 of the abdomen. Length 2 lines. 



Hah. — Illinois. (Dr. Saml. Lewis). One J specimen. Eemarkable for the 

 nose-like projection of the clypeus. 



T? rufithoracicus. — %. Black, shining; head transverse, eyes large and prom- 

 inent, face narrow, clypeus whitish; antennae slender, blackish, pale at base; 

 thorax entirely fulvo-ferruginous, the posterior part of the metathorax slightly 

 dusky; tegulse whitish; wings hyaline, faintly dusky, iridescent, nervures and 

 stigma brown, areolet obliquely subtriangular; legs rather robust, entirely pale 

 luteous, except posterior tibiae and tarsi, which are dusky; abdomen subsessile, 

 clavate, polished, piceous, first segment with prominent stigmatic tubercles. 

 Length li line. Hab.- — Cuba. (Coll. Dr. Gundlach, No 537.) One 'J, specimen. 



T. crassus. — J. Robust, black, shining, sparsely clothed witli a short pale 

 pubescence; mouth brownish; antennae rather longer than the head and tho- 

 rax, dull black ; thorax feebly punctured; seutellum elevated, deeply excava- 

 ted at base, the elevated tip with a large, deep, shining fovea; metathorax ru- 

 gose, short, truncate behind, the elevated lines- sharjjly defined, and forming a 

 large, subquadrate central area; wings hyaline, nervures and stigma black, 

 areolet subpetiolated, oblique or almost longitudinal; legs short, robust, ferru- 

 ginous, coxae and trochanters black, tips of posterior tibiae and tarsi, dusky; 

 claws pectinate; abdomen oblong-subovate, depressed, sessile or nearly so, 

 shining, with a thin appressed, pale pubescence ; first segment cariiiate at sides 

 and on each side of middle, the latter rounded and connected at tij); second 

 segment deeply, transversely impressed on each side at base. Length 3J lines. 



% . Smaller and more slender than 9; clypeus pale brown ; mandibles and 

 pal})! luteous; antennae brownish, pale at base beneath; seutellum rounded 

 and subcarinate at tip, not foveate as in 9 ; tegulae and base of wings pale lu- 

 teous; wings iridescent, the areolet more oblique; legs including the coxae and 

 trochanters, uniformly bright fulvo-ferruginous, extreme base of posterior tibiae 



