REVISION OF SPECIES OF STILOBEZZIA KIEFFER 



45 



Figure 52 — Stilobezzia crassivenosa, new species (a-g, 9; h-j, c?).a, frontovertex b, wing; 

 c, last 2 tarsomeres and claws; d, spermathecae, e, palpus;/, abdominal terga I-IV; g, 9 

 genitalia; h-j, d" genitalia. 



long and sharp, rather slender, the shorter ungue about half as long 

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

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

 0-0-2. Hind leg with lengths from femur to V as 78-88-41-18-9-6-12; 

 TR 2.28; hind tibial comb with 6-8 spines (av. 6.7, n=10). 



Wing (fig. 526) : Grayish hyaline, veins slightly brownish, anterior 

 veins quite strong; radius with scattered setae to tip of R44.5; CR 0.67: 

 r-m to stem M lengths as 1:2; macrotrichia scattered over distal 

 portion of wing proximad to level of costa tip and nearly to base of 

 vein M 3+4 . Halter pale, whitish. 



Abdomen: Yellowish brown; tergum I with 7-8 hairs on each side; 

 posterior terga (fig. 52/) with sparse scattered setae. Spermathecae 

 (fig. 52tf) ovoid, without necks, slightly unequal, measuring 0.063 mm 

 by 0.046 mm and 0.056 mm by 0.042 mm. Genital sclerotization as 

 in figure 52g. 



Male. — Length of wing 1.19 mm. 



Similar to the female with the usual sexual differences; wing with 

 macrotrichia limited to the margin between R 4+ 5 tip and vein M 2 ; 

 antennal plume yellowish brown; claws equal, sharp distally with 

 deeply bifid tips. Genitalia (fig. 52hr-j) elongate, yellowish brown; 

 sternum IX with shallow caudomedian excavation, the ventral 

 spiculation inconspicuous; tergum IX tapered distally, slightly 



288-859 0-68—4 



