186 



U. S. NATIONAL MUSEUM BULLETIN 216 



FAST 3 



Figures 84, 85. — Localities: 84 (left), Trachysphyrus murorum; 85 (right), T. genatus. 



fulvous, the apex of the last segment fuscous; wings faintly infuscate. 

 The American females have the front femur fuscous, tinged with 

 fulvous apically and the front and middle tibiae and tarsi brown with 

 fulvous areas. In two European females at hand the front and middle 

 legs beyond trochanters are fulvous with the femora black basally and 

 tarsal segment 5 fuscous. In the female from California the wings are 

 distinctly infuscate, in the others only faintly so. 



Specimens: 9, Tioga Pass, Yosemite Park, Calif., July 3, 1933 

 (Davis). 9, Churchill, Man., July 18, 1936, H. E. McClure (Wash- 

 ington). 29, from Germany and Austria. 



2. Trachysphyrus genatus (Pratt) 



Figure 328,g 



Cry-plus genatus Pratt, 1945, Amer. Midi. Nat., voL 34, p. 570; cf, ? . Type: 

 9, South Creek, Beaver Co., Utah (Washington). 



Male: Front wing 9.0 to 10.3 mm. long. Coloration as in the 

 female. 



Female: Front wing 9.0 to 12 mm. long; profile of lower edge of 

 ovipositor smooth, without distinctly projecting teeth, as in figure 

 328,g. 



Black. Hind orbit usually with a narrow fulvous line; front and 

 middle legs beyond femora brownish fuscous; hind femur fulvofer- 

 ruginous; hind tibia tinged with fulvoferruginous basally; segments 

 1 and 5 of hind tarsus fuscous; segments 2-4 of hind tarsus pale brown 

 or partly infuscate ; wings moderately infuscate ; abdomen with a weak 

 dark blue iridescence. 



Specimens (11 cf, 349): From Alberta (Foremost, Lethbridge, 

 Waterton, and Waterton Lakes); Arizona (Grand Canyon at 5,000 to 

 6,000 ft., San Francisco Mts., Santa Catalina Mts., and Tucson); 

 Cahfornia (Boca, Brockway, Bumble Bee in Tuolumne Co., Darda- 



