198 BULLETIN 4,-), UNITED STATES NATIONAL MUSEUM. 



tiulinally striated; legs browiiisli-yellow, the cox;e dusky basally. 

 Ilead transverse, the face convex, polished, the orbits and lower part 

 of face striated. Mandibles yellowish, the teeth black. Antennae 12- 

 jointed, filiform, brown-black, the scape pale toward the base; first 

 funiclar joint longer than the second, the third :> little shorter than the 

 second; the following a little longer than the third. Post-scutellar 

 spine, small, acute. Angles of metathorax small but acute. Wings 

 subhyaline, the nerviires pale brown. 



Habitat. — District of Columbia. 



Type in Coll. Ashmead. 



Described from a single specimen. The striated abdomen and the 

 relative length of the ftagellar joints readily distinguish the species. 



TELEAS Latreille. 



Gen. Crust, et lus., iv, p. 32 (1809). 



(Type T. clavicornis Latr.) 



Head transverse, the occiput margined; ocelli 3, rather close to- 

 gether in a triangle; eyes ovate. 



Antennae 12-jointed in both sexes, inserted on a clypeal prominence; 

 in $ filiform, in 9 ending in a 6-jointed club. 



Maxillary palpi 4-jointed ; labial palpi 3-jointed. 



Mandibles falcate, bidentate at apex, the outer tootli long, acute. 



Thorax short, ovoid, the prothorax not visible from above; mesono- 

 tum short, broader than long, without furrows; scutellum semicircu- 

 lar; post-scutelhim spined; metathorax very short, the posterior angles 

 rarely acutely toothed. 



Front wings with a linear marginal vein, rarely five times as long as 

 the short stigmal, postmarginal not developed. 



Abdomen long-oval, depressed, inserted far above the hind coxae, 

 the first segment longer than wide, the third the longest and widest. 



Legs slightly pilose, the posterior femora swollen, their tibiae and 

 first tarsal joint dilated, the tibial spurs distinct but short. 



The swollen hind femora, their dilated tibije and tarsi, stronger tibial 

 spurs, and the larger mandibles can be depended upon to distinguish 

 the genus. 



The species are rare and only a few have been described that really 

 belong here. 



TABLE OF SPECIES. 



Winged. 



All cox.T and legs pale brownish-yellow 2 



All coxiT' black, logs pale rufous or brownish-yellow. 

 Thorax and scutellum coarsely rugose. 



Vertex transversely striated; three basal abdominal segments coarsely 

 striated, the fourth basally with a tine, transverse, wavy sculp- 

 ture ; rim of scutellum yellow T. lineaticeps, sp. nov. 



