BITING MIDGES — WIRTH AND BLANTON 



429 



70. Culicoides glabellus Wirth and Blanton 



Figure 73 



Culicoides glabellus Wirth and Blanton, 1956, Bull. Brooklyn Ent. Soc, vol. 51, 

 p. 47 (male, female; Panama, Honduras, Nicaragua, Trinidad; fig. wing, 

 mesonotum, palpus, tibial comb, spermatheca, male genitalia). 



Female: Length of wing 0.68 (0.66-0.76, n=ll) mm. 



Head. — Eyes narrowly separated, with short intorfacetal hairs. 

 Antenna with flagellar segments in proportion of 15:11:12:13:13:13:14: 

 17:15:15:18:18:29, antennal ratio 0.91 (0.88-0.95, n=8); distal 

 sensory tufts present on segments iii, viii-x. Palpal segments in 

 proportion of 6:16:15:7:8; third palpal segment slightly swollen, 1.8 

 (1.7-2.1, n=ll) times as long as greatest breadth, with small, deep 

 sensory pit. Mandible with 12 (11-13, n=13) teeth. 



Thorax. — Mesonotum very dark brown, with faint pattern as figured, 

 consisting of a sublateral pair of blackish bands. Scutellum uni- 

 formly dark brown; postscutellum and pleuron dark brown. Legs 

 dark brown; fore and mid femora with subapical, all tibiae with sub- 



FiGURE 73. — Culicoides glabellus Wirth and Blanton. a-e, Female: a, wing; b, thoracic pat- 

 tern; c, palpus; d, tibial comb; e, spermatheca. /, g, Male: /, parameres; g, genitalia, 

 parameres removed. 



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