50 



U. S. NATIONAL MUSEUM BULLETIN 216 



13. Trieces aquilus, new species 



Figures 179,d; 181,e 



Female type: Front wing 2.8 mm. long; face 1.05 as wide as high, 

 with coarse strong punctures, their interspaces about 0.2 their di- 

 ameter; face and clypeus in profile rather weakly curved; clypeal 

 fovea and attachment of front tentorial arm not distinct; eye ap- 

 parently without hairs; flagellum with 20 segments; front spur of 

 middle tibia 0.35 as long as hind spur; second segment of middle 

 tarsus 1.6 as long as wide; metapleurum without hairs, with close 

 sharp wrinkles in its lower 0.25. 



Figures 28-30. — Localities: 28 (left), Trieces fusus; 29 (center), '/'. aquilus; 30 (right), T. 



sparsus 



Black. Interantennal process broadly margined with yellowish 

 white; mandible mostly yellowish white; palpi stramineous; flagellum 

 blackish brown, brown below; tegula brown with a yellowish basal 

 spot; hind coxa dark brown; hind femur dark brown, its base and 

 apex light brown; basal 0.2 of tibiae pale yellowish; legs light brown 

 except as described otherwise. 



Type: 9, Highlands, N. C, Oct. 13, 1941, H. and M. Townes 

 (Washington, USNM 63605). 



14. Trieces sparsus, new species 



Figure 181,f 



Front wing 2.8 to 4.0 mm. long; face about 1.1 as wide as high, its 

 punctures small and rather sharp, their interspaces about 0.5 their 

 diameter; face and clypeus in profile moderately convex; attachment of 

 front tentorial arm visible as a dark area surrounding clypeal fovea 

 and with a short appendage extending dorsomesad; eye of male 

 bare, of female with rather sparse short hairs; flagellum of male 



