76 U.S. NATIONAL MUSEUM BULLETIN 2 83 



straight, gradually narrowed distally to blackish slender points, 

 without ventral appendage. 



Distribution. — Philippines; North Borneo. 



Types. — Holotype male, allotype female, San Francisco, Los Arcos, 

 Agusan, Mindanao, Philippines, 19 Nov. 1959, L. W. Quate, at light 

 (deposited in Bishop Museum, Honolulu). Paratypes, 3 females. 

 Same data as types, 1 female. Same data but collected by C. Yoshi- 

 moto, 1 female. NORTH BORNEO: Tawau Residency, Tawau, 19 

 Nov. 1958, L. W. Quate, 1 female. 



Additional specimens. — Same data as holotype, 1 male, 2 females 

 (pinned). 



Discussion. — This species closely resembles traubi externally, but 

 differs in the heavy blackish tibial spines and the short medial stem. 

 The third spermatheca is much better developed in the female of 

 spinipes, and the male genitalia are quite different from either traubi 

 or boharti, lacking the whiplike ventral appendage of the paramere; 

 the dististyle is markedly expanded and bent subapically. 



29. Stilobezzia (Stilobezzia) subflava Das Gupta and Wirth, new species 



Figure 69 



Female. — Unknown. 



Male. — Length of wing 1.17 mm. 



Head: Yellowish brown, antennal plumes brownish; vertex with 

 11 hairs; palpal segment III with small pit located at distal third. 



Thorax: Greenish yellow, scutum and postscutellum dark brown; 

 scutellum paler brown, with 6 bristles. 



Legs: Straw colored except coxae concolorous with pleuron, knee 

 spots brownish; hairs inconspicuous except on hind tibia where 5-6 

 long extensor bristles are present; tarsomeres I— III with stout ventral 

 spines as: fore leg 0-0-1, 0-0-1, 0-0-1; mid leg 0-0-2, 0-0-2, 0-0-2; 

 hind leg 0-0-0, 0-0-1, 0-0-1 ; hind tibial comb with 6 spines; TR 2.07. 



Wing (fig. 69a): Faintly brownish, unmarked, the veins slightly 

 darker brown; CR 0.80. Halter pale. 



Abdomen: Pale brownish with light greenish tinge; setae as in 

 traubi, new species, tergum I with 9 hairs on each side. Genitalia 

 (fig. Q9b-d) dark brown; sternum IX narrow, with finely spiculate 

 ventral membrane; tergum IX moderately long, with long bristles on 

 dorsal surface, pubescent membranous caudal lobes prominent; 

 basistyle moderately stout, mesal margin not expanded, setigerous 

 tubercles not developed, and mediangular process inconspicuous; 

 dististyle long, nearly straight proximally and with slightly curved 

 tip; aedeagal sclerites slightly arched, slender with slight outer ex- 

 pansion, caudprnedian tip sharp pointed; parameres each with long, 

 sinuately curved, mesally expanded basal arm, main body columnar, 



