96 



U.S. NATIONAL MUSEUM BULLETIN 283 



Thorax: Color pattern as in notata, except that the mesal vittae 

 are often darker brown. Scutellum with 6-7 bristles. 



Legs: Color pattern as in notata, but hind femur is more broadly 

 and intensely dark brown; claws, batonnets, and ventral spines as in 

 notata; hind leg with lengths from femur to V as 117-106-51-24- 

 8-6-17; TR 2.1; hind tibial comb with 11-14 spines (av. 11.8, n=12). 



Wing (fig. 78a) : Color pattern as in notata; CR 0.73; IRC to 2RC 

 lengths as 4:15; r-m to stem M lengths as 6:17; vein M 2 with rela- 

 tively broad proximal interruption. Halter as in notata, with pale 

 stem and intensely dark brown knob. 



Abdomen: Dorsal color pattern (fig. 7Sd) as in notata, but on IV 

 the lateral pale spots are large and the mesal pair is reduced to 

 small pale dots. Spermathecae (fig. 786) subspherical, with short 



Figure 78.- — Stilobezzia supernotata, new species (a-d, 9 5 e~h, cf 1 )- a, wing; b, spermathecae; 

 c, 9 genitalia; d, II to last abdominal terga, 9 ; e, same, c?;f-h, cf genitalia. 



slender neck, weakly to strongly sclerotized, slightly unequal, meas- 

 uring 0.066 mm by 0.058 mm and 0.062 mm by 0.055 mm. Genital 

 sclerotization as in figure 78c. 



Male.— Length of wing 1.42 (1.34-1.58, n=8) mm. 



Similar to the female with the usual sexual differences; abdomen 

 (fig. 78e) dorsally with dark color pattern more extensive than in 

 female, mesal dark spot present on II, absent on III, lateral spots 



