354 



PROCEEDINGS OF THE NATIONAL MUSEUM 



subapical pale ring on the hind femur, the pale apex of the hind tibia, 

 and the presence of a distinct ventral lobe on the male paramere. 



37. Culicoides tenuilobus, new species 



Figure 40 



Female: Length of wing 0.89 (0.86-0.92, n = 7) mm. 



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

 in proportion of 17 : 12 : 12 : 13 : 14 : 12 : 12 : 12 : 19 : 19 : 22 : 24 : 34, antennal 

 ratio 1.13 (1.04-1.19, n=4); distal sensory tufts present on segments 

 III, vii-x. Palpal segments in proportion of 8:13:27:8:7, third 

 segment gi-eatly swollen, 1.86 (1.76-1.93, n=6) times as long as 

 greatest breadth, with a large deep sensory pit opening by a small 

 pore. Mandible with 13 (12-13, n=5) teeth. 



,<^^^^^^^ 



Figure 40. — Culicoides tenuilobus, new species. a~e. Female: a, wing; b, thoracic pattern; 

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

 removed. 



