74 



U.S. NATIONAL MUSEUM BULLETIN 2 83 



Figure 67. — Stilobezzia rotunditheca, new species (a-c, 9 J d-f, cf )• a, wing; b, spermathecae; 

 c, 9 genitalia; d-f, cf genitalia. 



sensory pit. Genitalia (fig. 67d-f) with sternum IX narrow, shallow 

 caudomedian excavation and finely spiculate ventral membrane; 

 tergum IX moderately long and rounded caudad; basistyle with 

 simple mediangular process bearing 3 minute setigerous tubercles, 

 without ventral lobe; dististyle short, stout to tip, slightly narrowed 

 in midportion; aedeagal sclerites bisinuate, expanded on outer side in 

 midportion, with slender, curved distomesal points; parameres each 

 with only moderately sclerotized but rather broad lateral plate at 

 base, main portion moderately stout, slightly curved on proximal 

 third, with slight lateral expansion at distal third, apex stout. 



Distribution. — Sarawak. 



Types. — Holotype male, allotype female, 1 male paratype, Kampong 

 Pueh, Lundu Dist., Sarawak, 6-12 June 1958, 700-1500 m, along 

 stream, ? collector (deposited in Bishop Museum, Honolulu). 



Discussion. — This species can be recognized by the short, distally 

 stout dististyle and simple columnar paramere without distal 

 modification. 



28. Stilobezzia (Stilobezzia) spinipes Das Gupta and Wirth, new species 



Figures 14, 68 



Female. — Length of wing 1.42 mm; breadth 0.47 mm. 



Head: Vertex yellowish brown, with 10 hairs. Antenna (fig. 14) 

 brownish; III-XIV lengths as 19-12-12-12-12-12-13-15-22-23-24-24 

 (XV damaged) ; III-X not narrowed at apices; XV with terminal seta. 

 Palpus, brownish distally; III narrowed on distal fourth, with 3 

 bristles, with short sensilla borne in a small pit. Mandible with 7 

 teeth, proximal tooth largest. 



