452 



PROCEEDINGS OF THE NATIONAL MUSEUM 



80. Culicoides glabrior Macfie 



Figure 83 



Culicoides debilipalpis var. glabrior Macfie, 1940, Ent. Monthly Mag., vol. 76, 



p. 27 (male, female; British Guiana). 

 Culicoides grahambelli Forattini, 1956, Proc. Ent. Soc. Washington, vol. 58, p. 35 



(female; Cerro Cefa, Panama). New synonymy. 



Female: Length of wing 1.02 (0.86-1.22, n=ll) mm. 



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

 segments in proportion of 20:15:15:15:16:16:16:16:18:19:21:22:36, 

 antennal ratio 0.89 (0.80-0.99, n = 5); distal sensory tufts present on 

 segments iii, vii-x. Palpal segments in proportion of 7:13:23:8:8, 

 third segment broad, 1.9 (1.7-2.6, n = 5) times as long as greatest 

 breadth, with a very broad, shallow sensory pit; fourth segment much 

 broader than fifth. Mandible with 15 (12-16, n=ll) teeth. 



Thorax. — Mesonotum shining dark brown, with faint pattern of 

 dull, paler brown areas consisting of a median discal area from anterior 

 third to scutellum and two pairs of small spots, one over humeral 

 pits, the other at lateral margins at sutural level. Scutellum, post- 



—x: 



'i-^^f'"''f^W,^j!,^ 



•y^y^-^^^ 



^%. 







:-~~~^^ 



^^^^^^m^k^^ 



Figure 83. — Culicoides glabrior Macfie. a-d. Female: a, wing; h, tibial comb; c, palpus 

 d, spermathecae. e, /, Male: e, parameres; /, genitalia, parameres removed. 



