94 



U.S. NATIONAL MUSEUM BULLETIN 2 83 



are typical of notata, but the male genitalia are more like those of 



festiva. 



37. Slilobezzia (Stilobezzia) subfestiva Das Gupta and Wirth, new species 



Figures 7, 77 



Female. — Length of wing 1.41 (1.33-1.50, n=9) mm; breadth 

 0.55 mm. 



Head: Vertex with 13 hairs. Antenna (fig. 7) with lengths of III-XV 

 as 13-8-8-8-8-8-8-9-19-20-21-22-35; AR 1.67, X slightly longer 

 than IX. Palpal segments as 5-15-21-13-20; III without sensory pit. 

 Mandible with 5-8 teeth (av. 7.04, n=24). 



Thorax: Color pattern of the festiva type, scutal vittae pale brown, 

 the brown posterior crossband paler. Scutellum with 4-6 bristles. 



Legs: Color pattern typical of Notata Group, but markings paler 

 and less extensive; trochanters and tarsomeres IV and V pale, sub- 

 apical pale ring on hind femur relatively broad ; tarsomere V, baton- 

 nets, and claws as in festiva. Hind leg with lengths from femur to V as 

 89-85-43-20-7-5-13; TR 2.1; hind tibial comb with 7-10 spines 

 (av. 8.8, n=17). 



Wing (fig. 77a) : Color pattern similar to that of festiva, but fainter, 

 pale area over 2RC extends posteriorly only slightly over stem M 

 into cell M 2 . CR 0.73; lRC to 2RC lengths as 7:30; r-m to stem M 

 lengths as 5:16; vein M 2 narrowly interrupted at base. Halter with 

 distal third of knob whitish, remainder of knob brown, stem pale. 



Figure 77. — Stilobezzia subfestiva, new species (a-b,f, h, 9 ; c-e, g, cf )• a, wing; b, spermathe- 

 cae; c-e, cf genitalia;/, II to last abdominal terga, 9 ; g, same, cf; h, 9 genitalia. 



