348 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Figure 37. — Culicoides scopus Root and Hoffman, a-e, Female: a, wing; b, thoracic pattern; 

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

 removed. 



wing margin to anterior side of vein Mi; pale spot straddling base of 

 vein M], a larger pale spot straddling middle of vein M2; a round 

 subapical pale spot in cell Mi, a spot at wing margin in apices of cells 

 M2 and M4; two round, well separated pale spots in distal part of anal 

 cell and a long pale spot lying in front of mediocubital fork. Macro- 

 trichia long, numerous and well distributed, extending to base of 

 wing; costa extending to 0.58 (0.51-.062, n=12) of distance to wing 

 tip. Halter pale. 



Abdomen. — Dark brown. Spermathecae two, subequal, pyriform, 

 measuring 0.053 by 0.038 mm. and 0.050 by 0.041 mm., the bases of 

 the ducts sclerotized a very short distance. 



Male genitalia: Ninth sternum with a broad, relatively deep, 

 caudomedian excavation; ninth tergum long and tapered, with very 

 large, triangular, apicolateral processes and distinct caudomedian 



