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



and postscutelluin with a ftdvous tinge, the sciitellum yellowish medi- 

 ally; propodeum with a poorly defined, broad fulvous band along and 

 below its apical carina; legs dull fulvous, the front and middle coxae 

 yellowish externally and the tarsi and hind tibia brownish fulvous; 

 wings subhyaline; abdomen fulvoferruginous. 



Type: cf , Samuel Spring, Napa Co., Cahf., Mar. 29, 1956, E. I. 

 Schhnger (Davis). 



Paratypes: 9, Alum Rock Park, Santa Clara Co., Calif., May 25, 

 1950, E. G. Linsley (Berkeley). 2cf, Samuel Spring, Napa Co., 

 Calif., Mar. 29, 1956, R. C. Bechtel (Davis). cT, same data as type 

 (Townes). 



31. Trachysphyrus areolatus (Pratt) 



Cryptus areolatus Pratt, 1945, Amer. Midi. Nat., vol. 34, p. 629; 9. Type: 9, 

 Mammoth [Lake], Calif. (San Francisco). 



Male: Unknown. 



Female type: Front wiug 7.8 mm. long; general structure about as 

 in T. albitarsis except that thoracic sculpture is a little rougher, apical 

 carina of propodeum is a little more distant from basal carina and 

 forming unusually large sublateral crests, and ovipositor sheath is 

 0.67 as long as front wing. Intercubiti strongly convergent, in one 

 wing almost touching on the radial vein, in the other briefly separated. 



Black. Hind orbit with a narrow white stripe ; apical half of front 

 femur in front, all tibiae, and all tarsi brown to blackish brown; hind 

 femur ferruginous, its base and apex narrowly fuscous; wings moder- 

 ately infuscate; abdomen red, the basal 0.4 of its first segment some- 

 what infuscate. 



Specimen: 9 (type). Mammoth Lake, Calif., Sept. 23, 1933 (San 

 Francisco). 



32. Trachysphyrus latigenalis (Pratt) 



Cryptus latigenalis Pratt, 1945, Amer. Midi. Nat., vol. 34, p. 611; 9. Type: 9, 

 Hidden Valley, Rocky Mt. National Park (Washington). 



Biology: Ullyett, 1949, Canadian Ent., vol. 81, pp. 285-299; 1950, vol. 82, pp. 

 1-11. Reported incorrectly in these papers as Cryptus inornatus. 



Front wing 6.0 to 7.4 mm. long. General structure as in Trachy- 

 sphyrus albitarsis except that temple is longer and flatter (about 0.80 

 as long as eye, at its midh eight very weakly convex), thoracic sculp- 

 ture a little denser and stronger, speculum rather closely rugoso- 

 punctate, and second recurrent vein arched and with almost no 

 sinuation. 



Male : Black. Orbit rather broadlj^ white from cheek to near mid- 

 dle of frons and with a narrow white mark at vertex; palpi fuscous; 

 tegula brown, sometimes partly whitish; front and middle femora 

 fuscous, brownish apically; front and middle tarsi light brown, the 



