no. 3626 CULICOIDES — WIRTH AND LEE 19 



Culicoides caucaensis Wirth and Lee, new species 



Figures Qa-d; Plate 1 (fig. 8) 



Female.— Length of wing 1.83 (1.69-1.92, n=4) mm. 

 Head: Eyes with very short interfacetal hairs; very narrowly 

 separated (fig. 66), interocular space above with a seta-less tubercle. 



Figure 6. — Culicoides caucaensis, new species, female: a, antenna; b, eye separation; c, 

 spermathecae; d, palpus. Culicoides tamboensis, new species, female (except as noted): 

 e, antenna;/, eye separation; g, palpus; h, spermathecae; i, male paramere; /, male geni- 

 talia, parameres not shown. 



Antenna (fig. 6a) with lengths of flagellar segments in proportion of 

 21-17-18-19-19-20-21-18-27-30-30-30-37, an tennal ratio 0.99; distal 

 sensory tufts present on segments in, ix-xiv. Palpal segments (fig. Qd) 

 with lengths in proportion of 9-26-29-10-10; third segment moder- 

 ately swollen distally, 3.0 (2.8-3.2, n=4) times as long as greatest 

 breadth, with a broad, irregular sensory pore distally. Proboscis 



