REVISION OF SPECIES OF STILOBEZZIA KIEFFER 



63 



Head: Dark brown including palpi, antennae, and their tufts. 

 Distal antennomere with long seta at apex. Palpal segment I with 

 a hair; III slender with subapical pit bearing long sensilla. 



Thorax: Pleura, scutellum, and margins of scutum yellowish brown; 

 postscutellum and disc of scutum intensely dark brown; scutellum 

 with 5 large bristles. 



Legs: Yellowish brown, knee spots dark brown, distal portion 

 of hind femur and proximal portions of mid and hind tibiae slightly 

 darker; claws short, subequal with bifid tips; strong ventral spines 

 on tarsomeres I-III as: fore leg 0-0-2, 0-0-2, 0-0-2; mid leg 1-0-2, 

 0-0-2, 0-0-2; hind leg 0-0-1, 0-0-2, 0-0-2; hind tibial comb with 

 8 spines; hind TR 1.7. 



Figure 63. — Stilobezzia robusta, new species (d")- ^, wing; b-d, cf genitalia; e, abdominal 



terga I-IV. 



Wing (fig. 63a): Brownish infuscated, the veins darker brown; 

 CR 0.79; r-m to stem M lengths as 2:3; 10 setae scattered along 

 proximal section of radius; macrotrichia numerous along wing margin 

 at tips of cells R 5 and M x . Halter pale. 



Abdomen: Pale brown, terga (fig. 63e) dark brown; I with cluster 

 of 10 long hairs on each side, other terga with scattered long hairs 

 on posterior portions. Genitalia (fig. 6Sb-d) pale brown, aedeagal 

 sclerites and distal halves of parameres dark brown; sternum IX 

 narrow with slight caudomedian excavation, the ventral membrane 



