BITING MIDGES — WIRTH AND BLANTON 



345 



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Figure 36. — Culicoides iriartei Fox. a-e. Female: a, wing; h, thoracic pattern; c, palpus; 

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

 moved. 



breadth, with a broad, shallow sensory pit. Mandible with 11 (11-12, 

 n = 9) teeth. 



Thorax. — Mesonotum dark brown, with prominent pattern of large 

 pruinose gray patches as figured, including a submedian anterior pair 

 of large oval spots and several pairs of spots along lateral margins. 

 Scutellum gray, brown in middle. Postscutellum and pleuron dark 

 brown. Legs dark brown; femora with subapical, tibiae with basal 

 and hind tibia with apical narrow pale rings; hind tibial comb with 

 four (n = 8) spines, the one nearest the spur longest. 



Wing. — Pattern as figured, second radial cell in a very dark spot; 

 pale spot over crossvein r-m broadly continued to costal margin; cell 

 Rs with two, obUque to transverse, double spots reaching anterior 

 wing margin, one at apex of second radial cell, the other subapical; 

 two small, elongate pale spots in cell R5 \ymg adjacent to vein Mi, 



