BITING MIDGES — WIRTH AND BLANTON 



391 



53. Culicoides lyrinotatus Wirth and Blanton 



Figure 56 



Culicoides lyrinotatus Wirth and Blanton, 1955, Bull. Brooklyn Ent. See, vol. 50, 

 p. 126 (male, female; Panama; fig. wing, palpus, spermathecae, male geni- 

 talia) . 



Female: Length of wing 1.17 (1.12-1.22, n=2) mm. 



Head. — Eyes narrowly separated, bare. Antenna with flagellar 

 segments in proportion of 28 : 24 : 24 : 26 : 24 : 25 : 25 : 25 : 26 : 27 : 35 : 37 : 58, 

 antennal ratio 1.01; distal sensory tufts present on segments iii, 

 viii-x. Palpal segments in proportion of 8:20:20:10:10, third seg- 

 ment swollen, 2.27 times as long as greatest breadth, with a very 

 broad, shallow, sensory pit. Mandible with 12 teeth. 





Figure 56. — Culicoides lyrinotatus 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. 



