ICHNEUMON-FLIES — GELINAE : MESOSTENINI 125 



Columbia River at 2,600 ft., B.C., July 7, 1912, J. C. Bradley (Ithaca). 

 4cf , 19, Robson, B.C., May 20, 1949, May 24, 1947, June 21, 1945, 

 June 29, 1950, and July 9, 1945, H. R. Foxlee (Townes and Ottawa). 

 9, Bear Pass Creek, Butte Co., Idaho, July 26, 1947 (Townes). d", 

 Wild Horse Mt., Athena, Oreg., May 14, 1938, Shuh and Gray 

 (Corvallis). 9, Denison, Wash., July 11, C. G. Tanner (Washington). 

 This subspecies occurs in the northwestern United States and 

 southwestern Canada. It is adult from late spring to mid-summer. 



9d. Aritranis imitator ruficauda, new subspecies 



Male: Black. Facial orbit broadly white, the white extending 

 on to cheek; broad median stripe on cheek, and clypeus white, these 

 white areas and the orbital mark sometimes fused so that face is 

 mostly or entirely white; mandible white, its apical part dark brown; 

 palpi white, their apices brownish; tegula blacldsh, with a white mark 

 basolaterally; femora ferruginous, the extreme apex of front and 

 middle femora often white; front and middle tibiae and tarsi fulvous, 

 the fifth tarsal segments light brown; hind tibia ferruginous, some- 

 what darkened apically; first and last segments of hind tarsus dark 

 brown, the fu-st segment often white apically and the last segment 

 often white basally; segments 2-4 of hind tarsus white; wings faintly 

 infuscate; abdomen ferruginous, the sixth and following segments 

 black, the fifth segment sometimes partly infuscate. 



Female: Black. Clypeus and mandible sometimes Avith a ferrugi- 

 nous tinge; flagellum with a median white stripe above that covers 

 about 3.5 segments; palpi fuscous; tegula black; front and middle 

 legs beyond trochanters ferruginous, their fifth tarsal segments 

 brown; hind femur and tibia ferruginous; first and last segments of 

 hind tarsus ferruginous brown, sometimes the apex of first segment 

 and base of last segment white; segments 2-4 of hind tarsus white; 

 wings weakly infuscate; abdomen entirely ferruginous. 



Type: 9, Pebbly Beach, Catalina Island, Calif., Apr. 2, 1938, 

 W. P. Cockerell (San Francisco). 



Paratypes: cT, Donner Pass, Calif., Aug. 1, 1948, H., M., G., 

 and D. Townes (Townes). cT, Gold Lake, Sierra Co., Calif., July 

 11, 1921, C. L. Fox (San Francisco). 9, Keen Camp, San Jacinto 

 Mts., Calif., June 1, 1939, E. S. Ross (Townes). 29, Mineralking, 

 Calif., Aug. 4 and 10, 1939 (Berkeley). cT, 9 miles east of Soquel, 

 Calif., July 4, 1956, S. M. Fidel (Davis), d^, Tahquitz Valley, 

 San Jacinto Mts., Cahf., June 1, 1940, C. D. Michener (Townes). 



This subspecies occurs in California. 



