288 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Culicoides wokei Barbosa (in part, not Fox, June 1947), November 1947, Anais 



Soc. Biol. Pernambuco, vol. 7, p. 28 (male, female; Balboa, Panama; fig. 



male genitalia, female palpus). 

 Culicoides diminutus Barbosa, 1951, Proc. Ent. Soc. Washington, vol. 53, p. 163 



(new name for wokei Barbosa not Fox). — Woke, 1954, Ann. Ent. Soc. Amer., 



vol. 47, p. 68, 71 (biological notes). 



Female: Length of wing 1.12 (1.06-1.19, n = 14) mm. 



Head. — Eyes contiguous, bare. Antenna with flagellar segments in 

 proportion of 23:15:15:15:15:15:15:16:27:29:32:33:43, antennal 

 ratio 1.22 (1.15-1.30, n = 5); distal sensory tufts present on segments 

 III, V, VII, IX, xi-xv. Palpal segments in proportion of 10:27:45: 15: 18; 

 third segment 3.4 (2.8-3.9, n— 15) times as long as greatest breadth, 

 without sensory pit, the sensoria scattered on surface. Mandible with 

 17 (16-20, n=17) teeth. 



Figure 10. — Culicoides trinidadensis Hoffman, a-e, Female: a, wing; b, thoracic pattern; 

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

 meres removed. 



