BITING MIDGES — WIRTH AND BLANTON 



443 





Figure 79. — Culicoides debilipalpis Lutz. a-e, Female: a, wing; b, thoracic pattern; c, pal- 

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

 removed. 



angular patches, widest at the suture. Scutellum, postscutellum 

 and pleuron brownish black. Legs dark brown; fore and mid femora 

 with subapical, all tibiae with subbasal and hind tibia with apical, 

 narrow pale rings; hind tibial comb with four (n = 37) spines, the one 

 next to the spur longest. 



Wing. — Pattern as figured; the two poststigmatic pale spots in 

 cell R5 usually well separated, the posterior one located slightly 

 proximad of the anterior one; distal pale spot in cell R5 usually trans- 

 verse to slightly reniform; two pale spots in cell Mj; one pale spot 

 each in apices of cell M2 and anal cell; pale spots present behind 

 medial fork and in front of mediocubital fork, the latter absent in 

 some specimens. Macrotrichia numerous, extending proximad to 

 base of wing in a double row in cell M and numerous in anal cell; 



