i 



BITING MIDGES — WIRTH AND BLANTON 



399 



Figure 59. — Culicoides alahialinus Barbosa. a-e, Female: a, wing; b, thoracic pattern; 

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

 removed. 



basal arch extending to about two-thirds of total length of aedeagus, 

 basal arms curved, distal portion with rounded apex and indistinct 

 subapical lateral points. Parameres each with basal knob, stem bent 

 near base, slightly sinuate in midportion, without ventral lobe, 

 distal portion abruptly bent and twisted ventrad, the sharp tip with 

 several fine subapical hairs. 



Distribution: Ecuador; Panama. 



Panama records: 



Canal Zone: Balboa, Fort Davis, Fort Randolph, Fort San Lorenzo, Fort 

 Sherman, France Field, Loma Boracho (biting man), Mindi Dairy, Mojinga 

 Swamp. 



Discussion: Culicoides gorgasi Wirth and Blanton and C. barbosai 

 Wirth and Blanton are closely related to this species but they have a 

 distinct wing pattern; gorgasi also differs from alahialinus in having 



