BITING MIDGES — WIRTH AND BLANTON 



335 



Figure 32. — Culicoides panamensis Barbosa. a-e, Female: a, wing; b, thoracic pattern; 

 c, palpus; d, tibial comb; e, spermathecae. /, g, Male:/, parameres; g, genitalia, parameres 

 removed. 



segments in proportion of 16:10:10:11:11:11:11:12:18:18:19:20:28, 

 antennal ratio 1.12 (1.06-1.15, n=6); distal sensory tufts present on 

 segments iii, xi-xv. Palpal segments in proportion of 7:12:30:10:10, 

 third segment greatly swollen, 2.0 (1.8-2.1, n = 9) times as long as 

 greatest breadth, with a large, deep pit opening through a very small 

 pore. Mandible with 10 (n=3) teeth, very poorly developed, the teeth 

 practically vestigial. 



Thorax. — Mesonotum grayish brown pruinose, with three dark 

 brown longitudinal bands, a median anterior one and two sublateral 

 ones, each broadest in midportion. Scutellum, postscutellum, and 

 pleuron dark brown. Legs dark brown, fore and mid femora with 

 subapical and all tibiae with subbasal narrow pale rings; hind tibial 

 comb with four (n=10) spines, the one nearest the spur longest. 



