ICHNEUMON-FLIES — GELINAE I MESOSTENINI 



485 



Figures 271-274. — Localities: 271 (left), Xylophrurus nuhilipennis luctuosus; 111 (center, 

 left), X. n. nuhilipennis; 273 (center, right), X. n. abdominalis; 274 (right), A', agrili. 



flagellum sometimes wdth an incomplete band covering about 3 seg- 

 ments; legs beyond trochanters ferruginous, the front legs sometimes 

 partly infuscate; hind coxa sometimes partly ferruginous; abdomen 

 ferruginous, the first segment sometimes blackish at base. 



The type female differs from the parat3T)e females in having the an- 

 tenna almost entirely black, with only a tinge of fulvous on scape and 

 first three segments of flagellum, and no white band on flagellum. 

 The fourth segment of the flagellum is 3.0 as long as wide. In the 

 para type females it is about 3.8 as long as wide, 



T}T)e: 9, Vernon, Utah, May 1, 1936, G. F. Ivnowlton and C. F. 

 Smith (Washington, USNM 63831). 



Paratypes: 9, Robson, B. C, Apr. 21, 1940, 11. R. Foxlee (St. 

 Paul). 9, Robson, B. C, May 16, 1947, H. R. Foxlee (Ottawa). cT, 

 Robson, B. C, Sept. 27, 1938, H. R. Foxlee (Townes). cT, Saskatoon, 

 Sask., May 12, 1925, Kenneth M. King (Ottawa). 9, Vinej-ard, Utah, 

 April 29, Tom Spalding (Townes). 



This subspecies is kno^^^l from Saskatchewan, British Columbia, 

 and Utah. 



5. Xylophrurus agrili (Viereck) 



Xylophrxiridea agrili Viereck, 1912, Proc. U.S. Nat. Mus., vol. 42, p. 646; 9. 



Tj'pe: 9, French Creek, W. Va. (Washington). 

 Biology: Brooks, 1914, Journ. Agr. Res., vol. 3, p. 184. — 1923, Monthly Letter 



U.S. Dep. Agr., Bur. Ent., No. 108, p. 3. 



Front wing 5.0 to 7.0 mm. long; head about 1.02 as wide across 

 temples as across eyes; temple with coarse, strong, very close punc- 

 tures that are a little confluent in rows and with a little weak wrinkling 

 between; fourth segment of female flagellum about 3.5 as long as wide; 

 apical carina of propodeum present only laterally, its median 0.5 ± 



