REVISION OF SPECIES OF STILOBEZZIA KIEFFER 



47 



(where 2 are present they are unequal in length); hind tibial comb 

 with 6 spines; TR 2.44. 



Wing (fig. 536): Grayish hyaline, veins brownish; lRC well 

 formed; CR 0.83; r-m strong, stem M with strong base forming a 

 short spur at juncture with r-m; r-m to stem M lengths as 1:1; alula 

 fringed; macrotrichia forming a line near wing margin between tip 

 of R 4+5 and tip of vein Mi. Halter whitish. 



Figure 53. — Stilobezzia fasciscviata, new species (d 1 ). a, thorax; b, wing; c, abdominal 



terga I-IV; d-f, cf genitalia. 



Abdomen (fig. 53c): Whitish; tergum I with 8-9 long hairs in 

 cluster on each side and a row of 10 hairs on caudal margin between; 

 II-VI each with irregular caudal row of hairs which are longer at 

 sides. Genitalia (fig. 53d-/) with tergum IX elongate, slightly bi- 

 lobate caudally with large setose membranous caudal lobes; sternum 

 IX with deep caudomedian excavation, the spicules on ventral mem- 

 brane inconspicuous; basistyle broadest at the small pointed medi- 

 angular process, the processes on each side connected by a definite 

 narrow sclerotized ribbon; dististyle long, only slightly arched, narrow 

 from near base and only slightly tapering to blunt tip; aedeagal 

 sclerites slender, only slightly arcuate, with short bent caudomedian 

 points; parameres each with striking elbowed anterolateral process 

 with free end directed caudad, main body stout at base, gradually 

 tapering distad, strongly sclerotized for about two-thirds its length, 

 distally fading into sharp hyaline point directed caudad. 



Distribution. — Malaya. 



Types. — Holotype male, Kepong Forest Res., Selangor, Malaya, 

 Mar.-Apr. 1960, H. E. McClure, light trap (USNM 69454). Paratypes, 

 2 males. MALAYA: Negri Sembilan, Pt. Dickson, Telok Pelandok, 

 18 July 1958, R. Traub, light trap, 1 male. Trengganu, Bukit Besi, 

 Dungun, 6 Aug. 1958, R. Traub, light trap, 1 male. 



