50 [January 



two lines, yellowish, valves black. Length 7 lines ; expanse of wings 

 8 lines. 



Male. — Resembles the female, but the general color is rufo-ferrugi- 

 nous, the abdomen is slenderer and not so much compressed beyond 

 2nd segment. 



Collection. — Ent. Soc. Philad. 9 > Dr. J. Gaindlach % . Two speci- 

 mens examined. 



Trachynotus fuscatus. n. sp. 



Fuscous; face and four anterior legs ferruginous, 9> rufo-ferruginous, orbits 

 yellow, abdomen fuscous, with base of 1st and the 4th, 5th and 5th segments 

 of the latter ferruginous, as well as the 4 anterior legs, % ; wings obscure hya- 

 line. 



Female. — Slightly clothed with a very fine whitish pubescence. Head 

 dull ferruginous, the orbits, base of mandibles and palpi, paler; tips of 

 mandibles blackish ; antennae scarcely longer than the head and thorax, 

 piceous, the basal joint rufous. Thorax fuscous ; mesothorax with a 

 dorsal longitudinal carina, on each side of which the surface is trans- 

 versely striated, near each side in front a longitudinal ferruginous 

 stripe; pectus striated, pleura finely rugose, smoother immediately be- 

 neath the wings ; scutellum rugose, mostly ferruginous, the spaces on 

 each side deeply excavated and rugose; metathorax fuscous, strongly 

 rugose or densely and coarsely reticulated; tegulae yellowish. Wings 

 obscure hyaline, slightly dusky at tips ; nervures and stigma fuscous. 

 Legs pale ferruginous ; the posterior pair, except coxse, more or less 

 fuscous ; the four anterior tarsi and the tibiae, slightly dusky. Abdo- 

 men dark fuscous, base of the 1st and the 4th segments, sometimes ob- 

 scurely, ferruginous ; the three basal segments linear and subcylindric, 

 the 1st segment somewhat swollen at the tip, the remaining segments 

 broader and subcompressed ; ovipositor exserted about two lines, yellow 

 or ferruginous, valves fuscous. Length 4 lines; expanse of wings 4£ 

 lines. 



Male. — Rufo-ferruginous ; the orbits, dilated on each side of the face, 

 and the tegulae, yellow ; mesothorax not so distinctly sculptured as in 

 the 9 , but more irregularly rugose, with the lateral stripes obsolete ; 

 legs ferruginous, the two anterior pair .tinged with yellowish; posterior 

 trochanters, tips of their femora and tibiae and the tarsi entirely, fus- 

 cous; abdomen blackish-fuscous, the basal half of the 1st and the 4th 

 and 5th segments entirely, pale ferruginous; same size as 9 • 



Collection. — Ent. Soc Philad. 2 9 , 1 % . specimens. 



Trachynotus basalis, n. sp. 



Black, slightly varied with fuscous ; orbits, mouth, two lines on mesothorax, 



