REVISION OF SPECIES OF STILOBEZZIA KIEFFER 137 



Thorax: Brownish, pleuron yellowish except above mid and hind 

 coxae; scutellum yellowish in middle; scutum (fig. 99c), vittate. 



Legs (fig. 99d) : Yellowish, hind femur and extreme tip of hind 

 tibia faintly brownish; hairs weak and inconspicuous; tarsomeres with 

 batonnetlike spines and claws as in figure 99e; ventral spines on 

 I-III weak: fore leg 0-0-0, 0-0-0, 0-0-2, mid leg 0-0-2, 0-0-2, 

 0-0-2; hind leg 0-0-0, 0-0-0, 0-0-2. Hind leg with lengths from 

 femur to V as 78-77-36-16-5-4-10; TR 2.25; hind tibial comb with 

 7-9 spines (av. 7.6, n=ll). 



Wing (fig. 99/): Faintly brownish hyaline, veins yellowish brown; 

 CR 0.76; r-m to stem M lengths as 7:26. Halter (fig. 996) knob dark 

 brown, stem pale brownish. 



Abdomen: Pale brown; terga dark brown as figured (fig. 99g), 

 III-VI almost totally dark, II dark on sides; I with 2-3 setae on 

 each side, III-VII with posterior row of setae and also a central 

 cluster of stronger ones. Spermathecae (fig. 99j) unequal, the larger 

 oblong in profile, strongly sclerotized except toward the duct, neck 

 not sclerotized; the smaller pale, round; measurements 0.079 mm by 

 0.054 mm and 0.027 mm diameter respectively. Genital sclerotization 

 as in figure 99k. 



Male. — Length of wing 1.03 mm. 



Similar to the female with the usual sexual differences; antennal 

 plumes yellowish; abdominal terga as in figure 99A; tarsal claws short, 

 equal. Genitalia (fig. 99l-n) yellow, the parameres deeply sclerotized 

 dark brown; basistyle broadly expanded mesad at base, with strongly 

 sclerotized long basidorsal process; dististyle long, curved to pointed 

 tip; aedeagal sclerites each slender straight rod; parameres each with 

 large basal knob, sharply twice bent on basal portion, first mesad then 

 caudad, then gradually curved ventromesad to long bladelike tip. 



Distribution. — Malaya; North Borneo, Phillippines, Sarawak. 



Types. — Holotype female, Kuala Singgora, Pahang, Malaya, 17 

 July 1958, R. H. Wharton, light trap (LSNM 69490). Allotype male, 

 Labuan Island, North Borneo, Sept.-Oct. 1948, D. H. Colless, at light. 

 Paratypes, 39 females, all collected at light except as noted. MALAYA: 

 Pahang, same data as holotype, 6 females; same except Maran, 

 6 March 1959, 2 females. Pahang, Kuatan, Gudang Rasan, Jan.-Feb. 

 1959, R. Traub, 1 female. Pahang, Tahan River, King George V Nat. 

 Park, 6 Nov. 1959, H. E. McClure, 2 females. Selangor, Kuala Lumpur, 

 Aug., Oct. 1958, Apr. 1959, March 1960, Traub and McClure, 9 

 females. Singapore, Kg. Chantek Bahru, 11 Dec. 1959, D. H. Colless, 

 1 female. NORTH BORNEO: Kalabakan, Tawau Dist., 14 Nov. 

 1958, T. C. Maa, 2 females, Tambunan, March 1952, D. H. Colless, 

 sweeping grass, 2 females. PHILIPPINES: Mindanao, Augsan, 

 Esperanza, 4-11 Nov. 1959, C. Yoshimoto, 6 females. SARAWAK: 



288-859 0-68— 10 



