BITING MIDGES — WIRTH AND BLANTON 



441 



Figure 78. — Culicoides paraensis (Goeldi). a-e. Female: a, wing; b, thoracic pattern; c, 

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

 removed. 



(0.56-0.60, n = 8) of distance to wing tip. Halter pale, base of knob 

 brownish. 



Abdomen. — Dark brown, cerci yellowish. Spermathecae two, pyri- 

 form, unequal, measuring 0.057 by 0.037 mm. and 0.048 by 0.029 

 mm., the bases of the ducts sclerotized a considerable distance. 



Male genitalia: Ninth sternum with a broad, shallow, caudo- 

 median excavation; ninth tergum long and tapering with short, 

 pointed, widely separated apicolateral processes. Basistyle with 

 ventral root foot-shaped, and posterior heel well developed, dorsal 

 root short; dististyle slender and curved with bent tip. Aedeagus 

 V-shaped, the basal arch pointed and extending to two-thirds of total 

 length, the basal arms straight and moderately stout, the distal por- 

 tion with simple, rounded tip. Parameres each with large basal 



