REVISION OF SPECIES OF STILOBEZZIA KIEFFER 79 



darker brown than in female; palpus III as in female with distinct 

 pit. Genitalia (fig. 70 h-i) similar to those of boharti Tokunaga, with 

 the following differences: Sternum IX deeply excavated mesad with 

 distinct ventral spiculation; basistyle shaped differently, without 

 additional setation, mediangular process with distinctly constricted 

 base, and the setigerous tubercles slightly more elongate; dististyle 

 evenly curved on distal portion, nearly straight basally, not sinuate, 

 the tip pointed ; aedeagal sclerite more elongate with base bent around 

 ventromesal angle of basistyle, not heavier than stem of paramere; 

 paramere shaped as in boharti, but both stem (straight midportion) 

 and distal appendage stouter; aedeagal sclerites and parameres 

 heavily sclerotized, remainder of genitalia pale yellowish. 



Distribution.- — -Malaya. 



Types. — Holotype male, Telok Pelandok, Negri Sembilan, Malaya, 

 18 July 1958, R. Traub, light trap (USNM 69469). Allotype female, 

 Kuala Singgora, Pahang, Malaya, 18 July 1958, R. H. Wharton, 

 light trap. 



Discussion. — This species is dedicated to the collector of the holo- 

 type male, Colonel Robert Traub who was commanding the U.S. 

 Army Medical Research Unit at Kuala Lumpur, in appreciation of 

 his outstanding work in medical entomology in southeast Asia and 

 his wholehearted cooperation in taking time from a busy schedule 

 to obtain the superb collections of Ceratopogonidae for the U.S. 

 National Museum. 



This species is similar to boharti Tokunaga from the Ryukyu 

 Islands, but the males may be distinguished by the genitalic characters 

 mentioned above. Characters for the separation of traubi and spinipes, 

 new species, also similar, are given in the discussion of spinipes. 



Notata Group 



Diagnostic characters (figs. 1-8, 71). — Eyes narrowly separated, 

 bare. Head yellow; palpi dark brown. Antennae slender; XI about 2 

 times X; XV with short terminal seta; XI -XV dark, III-X with 

 narrow apices dark; male antennal plume yellow proximally, dark on 

 distal third. Vertex with hairs mostly in midportion close to caudal 

 margin. Palpal segments III and V longer than II and IV; III slender, 

 slightly enlarged just beyond middle, with a cluster of 3-4 long- 

 stalked sensilla at distal third to fourth, sometimes borne in an in- 

 distinct round pit. Mandible with 5-9 large teeth plus 4-7 fine 

 serrations subapically on outer side. 



Thorax pale yellow to greenish yellow; scutum with the disc marked 

 with brown; in notata and related species with a narrow darker brown 

 line bordering anterior and lateral margins of these vittae; in j 'estiva 

 and related species in addition with a dark brown crossband at pos- 



