REVISION OF SPECIES OF STILOBEZZIA KIEFFER 



57 



femora and tibiae sparse and weak, 7 long extensor bristles on hind 

 tibia; claws small, equal, nearly straight with obliquely turned points, 

 tips bifid; strong ventral spines on tarsomeres I— III as: fore leg 

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

 0-0-2, 0-0-2; TR 2.10; hind tibial comb with 8 spines. 



Wing (fig. 59a) : Pale grayish hyaline, veins slightly brownish, 

 anterior veins comparatively weak; CR 0.80; radius with 1 seta 

 near basal arculus; macrotrichia sparse along wing margin between 

 2RC and tip of vein Mi. Halter pale yellowish. 



Abdomen (fig. 596) : Pale yellow, terga faintly brownish ; I with 

 7 hairs on each side; posterior terga with sparse hairs in a row on 

 caudal and lateral margins. Genitalia (fig. 59c-e) elongate; sternum 

 IX narrow with shallow caudomedian excavation, the ventral spicula- 

 tion scarcely perceptible; tergum IX long and tapered, distally 



Figure 59. — Stilobezzia obesa, new species (d 1 )- a, wing; b, adbominal terga I-IV; c—e, 



cf genitalia. 



rounded with conspicuous pubescent membranous lobes; basistyle 

 elongate and not broadened basally, with small mediangular process; 

 dististyle slightly curved to slender tip; aedeagal sclerites bisinuate, 

 slender at both ends, a distinct swelling on outer margin in mid- 

 portion, distomedian point long and curved mesad; parameres each 

 with slender arcuate lateral lobe at base, main body stout and nearly 

 straight in midportion, narrowed at the juncture with the basal lobe, 

 distally bifid, with short lateral subapical point and a long slender 

 caudally directed mesal branch. 



