152 ASHMEAD [146] 



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 w^ide, w^ith 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. 



7>/5.— Cat. No. 5527, U. S. Nat. Museum. From St. Paul Is- 

 land (Fur Seal Commission). 



Family EULOPHID^. 



Subfamily TETRASTICHIN^T:. 



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; antennae dark brown, pubescent. Wings hyaline, the tegulae 

 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. 



J^/e.— 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. 



