252 



ASIIMEAD 



APHIDIUS FRIGIDUS sp. nov. 



(PI. xi, fig. 4.) 



Female. Length 3.5 mm. Polished black; abdomen with its apex 

 or the sutures of the two apical segments and the apex of the second 

 dorsal segments testaceous or yellowish, or sometimes the second and 

 third segments testaceous; mandibles, tips of palpial joints, sutures of 

 trochanters, knees and an annulus at base of flagellum, honey-yellow 

 or yellowish. Wings hyaline, the stigma pale within, the outer mar- 

 gins and the internal veins brown. 



The antenna; are i6-jointed and hardly two thirds the length of the 

 body, the first three joints of the flagellum are subequal, a little more 

 than thrice longer than thick. Metathorax smooth and areolated, the 

 median carina being distinct. Abdomen elongate lanceolate, com- 

 pressed and pointed towards apex, smooth and polished, except the 

 first segment which is finely rugulose, nearly four times as long as 

 thick and with the spiracles placed before the middle. 



Male. Differs principally in having the antennas 21 -jointed, the 

 joints of the flagellum being much shorter, the first three joints hardly 

 thrice as long as thick, while the abdomen is shorter, compressed from 

 the apex of the second segment and nearly always entirely black. 



Type. Cat. No. 5701, U. S. Nat. Museum. From St. Paul Island, 

 August 8 to 20 (Fur Seal Commission). Many specimens. 



APHIDIUS PAULEXSIS sp. nov. 



Female. Length 1.6 to 2 mm. Polished black; mandibles red- 

 dish; palpi and tegula; whitish; first four joints of the antenna; and 

 the legs brownish-yellow. Wings hyaline, the stigma lanceolate, pal- 

 lid, the outer and internal veins brownish. 



The antenna; are i =; -jointed, brown-black from the fifth joint ; the 

 first three joints are about four times as long as thick, the following to 

 the last, shorter, the last joint being shorter than joints 13 and 14 

 unih-d. Thorax with the parapsidal furrows incomplete, only vaguely 

 defined anteriorly, the metathorax short with a diamond-shaped arcola. 

 Abd..iiH-n depressed, petinlatcd and terminating ina distinct ovipositor, 

 which is longer than the basal joint of the hind tarsi; the petiole is 

 limn- ih;m thrice linger than thick anil finely wrinkled. 



MJ/I-. OilT.-is in having the antenna- 1 8- jointed, black, except an 

 amuilns at base of the third joint, and in haying the legs, except the 

 sutures of trm-h;mt!-rs, and I he femora and tibia> especially of the 

 Iront and middle legs, bcncat/i, which are rufo-testaceous, all black. 



