SCENOPINIDAE OF THE WORLD 39 



short hairs. The wings are a smoky white with yellow veins and the 

 halteres of both sexes are white. The terminalia of both sexes are 

 distinctive; see figure for details. 



Length: Male body 4,5 mm., wing 3 mm.; female body 5.5 mm., 

 wing 3.5 mm. 



Type-locahty: Boii Denib, Morocco (de Lepiney). 



Type: (MNHN). 



17. Scenopinus saini, new species 



Figure 18 



Male. — This moderately large dark-colored fly is closely related to 

 S. jenestralis. Head black-brown, eye facets brown above and black- 

 brown below; frons subshining, slightly smaller above the antennae; 

 ocellar tubercle prominent with a few anteriorly directed hairs, ocelli 

 clear; back of head concave; postocular ridge lacking. Antennae 

 elongate with subequal black-brown first and red-brown second seg- 

 ments, third segment red-brown, slender, about four times as long as 

 1 and 2 combined. 



Thorax dorsum black, shining, with a thin pile of whitish hairs; 

 humeral and supra-alar calli red-brown; pleural areas red-brown, with 

 thin pile of hair. Legs red-brown throughout. Wings hyaline, veins 

 straw colored; halter stem red-brown, knob white. 



Abdomen red-brown with broad white membranous borders on 

 segments 4-6; terminalia red-brown; see figure for details. 



Female . — Unknown . 



Length: Male body 3.7 mm., wing 3 mm. 



Type-locahty: W. El Lega, S. Sinai, Egypt; June- August 1942 

 (Hafez). 



Holotype: Male (CUC). 



18. Scenopinus schroederi (Krober) 



Figure 19 

 Omphrale schroederi Krober, 1913, p. 201. 



This large Central American species from Costa Rica is placed in 

 the Fenestralis group on the basis of the long third antennal segment, 

 vein R4 branching from before the middle of cell R5 and the open 

 bursal cavity. 



Male. — Unknown. 



Figure 16. — Scenopinus opaculus Loew, male, female: a, wing; b, c, lateral and frontal 

 aspects of male head; d, e, lateral and frontal aspects of female head;/, g, enlarged detail 

 of male and female antennae; h~j, ventral, lateral and posterior aspects of male terminalia. 



