REVISION OF SPECIES OF STILOBEZZIA KIEFFER 61 



excavation, the ventral spiculation weak; tergum IX short, strongly 

 tapered subconically to weakly bilobed apex, submedian lobes small; 

 basistyle stout at base, tapering distad, mediangular process weak, 

 basidorsal process well developed; dististyle moderately long and 

 slender, slightly curved to blunt tip; aedeagal sclerites bisinuate, base 

 slender, strong swelling on outer margin about two-thirds way to 

 caudomedian tip, the latter with slender point; parameres each with 

 detached platelike lateral arm from base, main body columnar, 

 moderately stout, distally curved slightly ventrad with sharp tip. 



Distribution. — Malaya. 



Types. — Holotype male, allotype female, Mt. Brinchang, 5000-6000 

 ft., Pahang, Malaya, March 1963, H. E. McClure, light trap (USNM 

 69462). Paratypes, 7 males, same data as holotype. 



Discussion. — Stilobezzia nigriapicalis Tokunaga from New Guinea 

 is similar with nearly identical male genitalia, but is a much larger 

 species (female wing 2.08 mm long) with more elongate male basistyle 

 and more distally attenuated dististyle, and the female spermathecae 

 are subequal in size. 



22. Stilobezzia (Neostilobezzia) parvaeungulae Das Gupta and Wirth, 



new species 



Figures 30, 62 



Female. — Length of wing 0.89 mm; breadth 0.45 mm. 



Head: Eyes narrowly separated (fig. 62a); vertex with 12 hairs. 

 Head brownish; antennae and palpi pale grayish brown, narrow bases 

 of antennomeres pale. Antenna (fig. 30) with lengths of III-XV as 

 10-7-8-8-8-9-10-10-13-13-13-14-19; AR 1.03; III-X cylindrical, 

 with indistinct preapical collar ;XI-XV slightly tapering, XV with stiff 

 hair at tip. Palpal segments (fig. 62c) as 6-14-18-8-15, III slender, 

 narrower distad with a round subapical pit. Mandible with 8-9 teeth 

 (av. 8.3, n=4). 



Thorax: Yellowish brown; scutum, postscutellum, and venter be- 

 tween fore and mid coxae dark brown. Scutellum with 4 large bristles. 



Legs: Uniformly straw colored, joints brownish; femora and tibiae 

 with rather long but fine, stiff bristly hairs, 8 longer extensor bristles 

 on hind tibia; claws (fig. 62e) small, nearly straight with sharp point, 

 the longer about half as long as V, the shorter ungue small; strong 

 ventral spines on I— III as: fore leg 0-0-1, 0-0-1, 0-0-1 ; 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 68-66-38-18-7-5-9 ; TR 2 . 1 ; hind tibial comb with 6-7 

 spines. 



Wing (fig. 626) : Pale brownish, veins darker brown, anterior veins 

 strong; radius with scattered setae to tip of R 4+5 ; CR 0.81; IRC to 

 2RC lengths as 18:47; r-m to stem M lengths as 1:1; macrotrichia 



288-859 0-68— 5 



