152 ASHMEAD 



Abdomen conic-ovate, aeneous black, depressed above, carinate or boat- 

 shaped beneath, and a little longer than the head and thorax united. 

 The flagellum is subclavate, less than twice as long as the scape, the 

 funicle joints not longer than wide, with at least the fifth and sixth 

 joints wider than long. 



Male. Length 1.2 mm. Metallic blue green, with the scape of the 

 antennae and the pedicel, except a spot above at base, and the legs, ex- 

 cept the coxae, yellowish-white, the funicle light brownish, the joints 

 gradually increasing in size, in outline all obtrapezoidal, while the 

 club is fusiform and black. 



Type. Cat. No. 5527, U. S. Nat. Museum. From St. Paul Is- 

 land (Fur Seal Commission). 



Family EULOPHEXE. 



Subfamily TE TRASTICHIN^. 



Genus Tetrastichus Haliday. 



TETRASTICHUS ANTHRACINUS sp. nov. 



Female. Length 1.6 mm. Coal black, impunctate ; mandibles, 

 all tarsi except the last joint, a spot on the middle and hind knees, 

 apices of the front femora, and their tibiae, except apically, honey-yel- 

 low; antennas dark brown, pubescent. Wings hyaline, the tegula? 

 black, the veins dark brown. Abdomen long-ovate, longer than the 

 head and thorax united, carinate beneath. 



Type. Cat. No. 5528, U. S. Nat. Museum. From Seldovia, July 

 7. One specimen. 



TETRASTICHUS ALASKENSIS sp. nov. 



Male. Length 1.2 mm. Black, the abdomen aeneous black ; man- 

 dibles, trochanters, apices of all femora, the front tibiae, an annulus at 

 base of middle and hind tibiae, and all tarsi, except the last joint, 

 brownish-yellow; antennae black pubescent. Wings hyaline, the 

 tegulae yellow, the veins light brown, the base of the stigmal vein be- 

 ing pallid or whitish. Abdomen pointed ovate, not longer than the 

 head and thorax united, above flat, beneath convex. 



Type. Cat. No. 5529, U. S. Nat. Museum. From Popof Island, 

 July 19. One specimen. 



