78 



U.S. NATIONAL MUSEUM BULLETIN 2 83 



mid leg 1-0-2, 0-0-2, 0-0-2; hind leg 0-0-2, 0-0-2, 0-0-2. Hind leg 

 with femur to V lengths as 93-97-50-23-8-4-19; TR 2.2; hind 

 tibiae comb with 5-6 spines. 



Wing (fig. 70d) : Faintly brownish, unmarked, veins slightly darker 

 brown; CR 0.82; IRC to 2RC lengths as 2:7; r-m to stem M lengths 

 as 6:7; IRC well formed, elongate; r-m oblique, R x less oblique; 

 macrotrichia absent; alula fringed. Halter pale yellowish brown. 



Figure 70. — Stilobezzia traubi, new species (a-g, ? ; h-i, d 1 ). a, frontovertex; b, femora- 

 tibiae; c, abdominal terga I-IV; d, wing; e, palpus; /, last 2 tarsomeres and claws; g, 

 spermathecae; h-i, c? genitalia. 



Abdomen (fig. 70c): Slender, not petiolate or convex; terga with 

 fine, scattered seta, becoming longer at sides and on posterior terga, 

 except sides of I each with 10-12 long hairs; no modified pubescence. 

 Spermathecae (fig. 70g) subspherical with short, slender, lightly 

 sclerotized necks; all 3 highly sclerotized with distinct minute hyaline 

 pores; the functional pair unequal, 0.056 mm by 0.053 mm and 0.046 

 mm by 0.042 mm. Genital sclerotization not shown in available slide 

 mount. 



Male. — Length of wing 1.25 mm. 



Similar to the female with the usual sexual differences; antennal 

 plume uniformly dark brown, color of body and appendages slightly 



