258 ASHMEAD [252] 



smooth and impunctate, except the first segment which is longitudi- 

 nally striate. 



Male. — Differs from female in having the antennae longer, a faint 

 median carina on the metathorax and in having the hind coxae yellow, 

 not black. 



Type. — Cat. No. 571 1, U. S. Nat. Museum. From Kukak Bay, 

 July 4; Seldovia, July 21. 



Subfamily BRACONIN^^, 



Tribe BRACONINI. 

 Genus Macrodyctium Ashmead. 

 MACRODYCTIUM POLITUM sp. nov. 



Female. — Length 3 mm. ; ovipositor scarcely one third the length 

 of the abdomen. Polished black, impunctate, except the second ab- 

 dominal segment which has some longitudinal aciculations at its basal 

 middle ; mandibles rufous ; palpi fuscous ; second joint of trochanters, 

 apical third of front femora and their tibiae, and the middle and hind 

 tibiae basally honey-yellow. Wings hyaline, the stigma and veins 

 brown, the tegulae black. 



Type. — Cat. No. 5712, U. S. Nat. Museum. From Kukak Bay, 

 July 4. One specimen. 



Subfamily RHOGADIN^E. 



Tribe EXOTHECUS. 



Genus Exothecus Wesmael. 



EXOTHECUS ALASKENSIS sp. nov. 



Female. — Length 2 mm. ; ovipositor less than half the length of the 

 abdomen. Polished black, impunctate, except the collar and the 

 metathorax which are finely rugulose, opaque, and the first segment 

 of abdomen which is longitudinally striate; remainder of abdomen 

 smooth and shining, black, except dorsal segments 2 and 3 which, in 

 certain lights, have a rufopiceous tinge ; the palpi and a minute an- 

 nulus at base of first joint of the flagellum are white or yellowish- 

 white ; tegulae and legs brownish-yellow. Wings hyaline, the stigma 

 lanceolate, pallid within, its outer margins and the internal veins be- 

 ing light brownish. 



Type. — Cat. No. 5713, U. S. Nat. Museum. From Popof Island, 

 July 10. 



