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PROCEEDINGS OF THE NATIONAL MUSEUM 



16. Culicoides metagonatus Wirth and Blanton 



Figure 19 



Culicoides metagonatus Wirth and Blanton, 1956, Proc. Ent. Soc. Washington, 

 vol. 58, p. 221 (male, female; Panama; fig. wing, palpus, spermatheca, male 



genitalia). 



Female: Length of wing 1.02 (0.89-1.19, n=12) mm. 



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

 proportion of 25:20:20:20:20:20:20:20:25:25:28:30:48, antennal 

 ratio 0.95; distal sensory tufts present on segments in, xi-xv. Palpal 

 segments in proportion of 8:17:26:11:15, third segment swollen, 2.1 

 (1.9-2.5, n = 9) times as long as greatest breadth, without sensory 

 pit, the sensoria scattered over mesal surface of segment. Mandible 

 with 15 (14-16, n = 8) teeth. 



Figure 19. — Culicoides metagonatus Wirth and Blanton. a-e, Female: a, wing; b, thoracic 

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

 parameres removed. 



