480 U. S. NATIONAL MUSEUM BULLETIN 2 1 6 part 3 



part of fii-st segment infuscate, the seventh and following segments 

 fulvous to fuscous. 



Spechnens: TcT, 39, Robson, B.C., May 5 to July 23, 1939, 1947, 

 and 1948, H. R. Foxlee (Townes and Ottawa). 9, Carrville, Trinity 

 Co., 2,400 to 2,500 ft., Calif., May 18, 1934, E. C. Van Dj^ke (San 

 Francisco), d", Carrville, Trinity Co., 2,400 to 2,500 ft., Calif., May 

 27, 1934 (Townes). cT, Mount Hamilton, Calif., Apr. 14, 1936 

 (Townes). 6^, Santa Cruz Mts., Calif. (Washington), cf, Corvallis, 

 Oreg., May 10, 1928, H. A. Scullen (Corvallis). 9, Lake Wallowa, 

 Oreg., June 15, 1938, E. C. Van Dyke (Townes). cf , Coppei Creek, 

 Wash., May 27, 1925, R. W. Haegels (Moscow). 



This species ranges from southern Alaska to central California. 



2. Xylophrurus fasciatus (Ashmead) 



Front wing 5.0 to 7.2 mm. long; head about 1.01 as wide across 

 temples as across eyes; temple with coarse, close punctures that are 

 somewhat confluent in rows; fourth segment of female flagellum about 

 3.8 as long as wide; apical carina of propodeum usuall}^ complete, its 

 median 0.3 weak or sometimes absent; second tergite weakly mat, wnith 

 moderate-sized punctures that are separated by about 0.3 their diam- 

 eter; ovipositor sheath about 0.50 as long as front v.dng; teeth on apex 

 of ovipositor exceptionally close together. 



Fulvous. Head with black markings that vary from restricted to 

 extensive, at least the face, clypeus, and orbits remaining fulvous; 

 palpi dark brown; male antenna black, the scape and pedicel fulvous 

 except above; scape and pedicel of female fulvous, blackish above; 

 flagellum of female with its basal 5.4 segments fulvous varied with 

 brown, the next 3.6 segments white or fulvous (according to the sub- 

 species), the rest of the segments infuscate; front and middle coxae 

 often varied wdth fuscous, especially the front coxa; wings faintly 

 tinged with brown, the front wing of female with a broad weak brown 

 band just basad of areolet and its apex a little darkened. The front 

 wing of male often has the same markings as female, but very faint. 



There are eastern and western subspecies, distinguished on the color 

 of the flagellum of female : 



1. Flagellum of female with a white band covering about 3.6 segments; range: 



east of Rocky Mountains 2a. fasciatus fasciatus (Ashmead) 



Flagellum of female without a white band; range: Rocky Mountains and 

 westward 2b. fasciatus hesperus, new subspecies 



2a. Xylophrurus fasciatus fasciatus (Ashxnead) 



Brachycentrus fasciatus Ashmead, 1890, Proc. U.S. Nat. Mus., vol. 12, p. 413; 



9. Type: ?, Texas (Washington). 

 Cryptoideus rufiis Cushman, 1919, Proc. U.S. Nat. Mus., vol. 55, p. 538; 9 



Type: 9, Montgomery Co., Pa. (Washington). 



