BITING MIDGES — WIRTH AND BLANTON 



361 



Figure 43. — Culicoides magnipalpis Wirth and Blanton. a-e. Female: a, wing; b, c, palpus; 

 d, tibial comb; e, spermathecae. /, g, Male: /, parameres; g, genitalia, parameres re- 

 moved. 



antennal ratio 0.91 (0.88-0.94, n=2); distal sensory tufts present 

 on segments III, xi-xv. Palpal segments in proportion of 10:20:30:8:7, 

 third segment remarkably bulbously swollen, 1.3 times as long as 

 broad, with a broad, deep sensory pit on distal half. Mandible 

 with 13 teeth. 



Thorax. — Mesonotum tawny yellowish brown, a contiguous pair of 

 faint, paler yellowish, oval, submedian, anterior spots on disc; humeral 

 corners with a pair of small whitish spots; area between these spots 

 and humeral pits blackish. Scutellum yellowish, darker in middle; 

 postscutellum and pleuron blackish, pleuron pale on upper half. 

 Legs brown; femora with subapical and tibiae with subbasal narrow 

 pale rings; hind tibial comb with 4 (n=2) spines, the two nearest 

 the comb subequal, longest. 



