G. C. DAVIS. 327 



wing broken niucb below the middle; body opaque, shagreened, finely pilose : 

 clypeus transverse, anterior margin broadly rounded; abdomen subclavate, 

 gradually )>roadening from base ; petiole narrow at base, spiracles strongly tnber- 

 culate and witli sometimes a faint carina leading to the apex of the petiole, the 

 face is sometimes black with only anterior orbital lines. 



Three females and four males from Montana and Canada (coll. 

 Amer. Ent. Soc. and Davis). 



EURYPROCTITS Holmgren. 

 (Monographia Tryphonidum Suecite, 18.58.) 

 Head transverse ; vertex emarginate ; clypeus transverse, scarcely 

 separated from the front and hut slightly elevated, apical margin 

 not depressed ; teeth of mandibles subequal ; antennae slender, long, 

 usually with white annulus. Thorax and head shagreened, opaque; 

 mesonotum usually subtrilobed in front ; scutellum not prominent; 

 raetathorax gradually sloping, longitudinal cariniie and usually the 

 apical transverse present. Abdomen shagreened, somewhat polished, 

 more or less arched, oval above and usually considerably widened 

 beyond petiole ; external genitalia of much the same appearance in 

 both sexes, but the abdomen is thin and depressed more in the S ; 

 petiole curved, slender at base, considerably broadened at apex, 

 spiracles of petiole lying considerably above lateral carinie. Legs 

 slender. AVings with narrow, lanceolate stigma ; areolet variable 

 even in the same species ; transverse median vein is either interstitial 

 or placed befoi-e the basal ; humeral cross-vein usually broken much 

 above the middle. 



Mesonotum with parapsidal grooves; humeral cross-vein of hind wing broken 

 above the middle ; areolet usually present. 

 Abdomen black. 



Scutellum and orbital lines black bitiiniiiiOi4ii!« n. sp. 



Scutellum and anterior orbital lines white albociiictiis n. sp. 



Abdomen partly rufous. 

 Posterior coxiB, and usually femora, black. 



Scutellum and orbital lines white albopuuctus n. sp. 



Scutellum black. 

 Face black. 



Antennfe with pale annulus; abdomen rufous at apex. 



petiolatus n. sp. . 

 Antennae not annulate with white ; abdomen black at apex. 



Posterior femora black; areolet sessile, subobsolete; transverse 



median and basal nervures interstitial $«essilis n. sp. 



Posterior femora rufous, dusky at apex; areoh^t small, petiolate ; 

 transverse median nervure uniting considerably in front of the 



basal rainis n. sp. 



Face yellow. 



TRANS. AM. ENT. SOC. XXIV. DECEMBER. 1897. 



