REVISION OF SPECIES OF STILOBEZZIA KIEFFER 



41 



Male. — Unknown. 



Distribution. — Thailand. 



Types. — Holotype female, Loei Prov., Meung Dist., Thailand, 

 1-5 June 1959, Manop R., collector, light trap (USNM 69450). 

 Paratypes, 5 females, same data; 2 females, same data except Dan 

 Sai Dist., 6-7 June 1959. 



Discussion. — This species is the darkest and most intensely pat- 

 terned of all in the Speculae Group. 



10. Stilobezzia (JSeostilobezzia) artistyla Das Gupta and Wirth, new species 



Figure 50 



Female. — Unknown. 



Male. — Length of wing 0.95 mm. 



A rather uniformly yellowish brown species; legs pale straw colored, 

 only knee spots brownish; abdomen concolorous with legs; wing 

 grayish hyaline, veins pale brownish; halter whitish. Distal antenno- 



Figure 50. — Stilobezzia artistyla, new species (cf)- a, wing; b, abdominal terga I-IV; 



c-e, cf genitalia. 



mere tipped by a stiff hair; palpal segment III long and slender, 

 without distinct pit, a few small sensilla on distal fourth. Legs with 

 sparse weak hairs, 5 long bristly hairs dorsally on hind tibia; tarsomeres 

 I— III with strong ventral spines as: fore leg 0-0-1, 0-0-1, 0-0-2; mid 

 leg 0-0-2, 0-0-2, 0-0-2; hind leg 0-0-2, 0-0-2, 0-0-2; TR 1.88; hind 

 tibial comb with 6 spines; claws short, equal, with bifid tips. Wing 

 (fig. 50a) with macro trichia narrowly bordering margin between 2RC 

 and vein M 2 ; radius with 1 seta near basal arculus; CR 0.70. Abdomen 

 (fig. 506) with 4-5 hairs on each side of tergum I ; posterior terga with 

 sparse row of hairs on caudal and lateral margins as in figure. Genitalia 



