Carpenter et al.: Mosquitoes of Southern U. S. 



261 



pointed at tips, connected at bases. Claspette absent. Basistyle (Bs) about twice 

 as long as broad, clothed with scales and long setae (setae more numerous and 

 longer beyond middle) ; three or four short, greatly flattened setae present 

 between trunks of subapical lobe. Subapical lobe (S-L) widely separated into 

 two distinct trunks: Tip of posterior trunk with a large striated deltoid leaf- 

 like filament, a flattened recurved spine, two straight spines and one or two 

 smaller setae; anterior trunk with a stout rod at apex and a slender subapical 

 spine arising from a small lateral branch. Dististyle (Ds) about half as long as 

 basistyle, broad at base, tapered and evenly curved to a narrow tip; claw (Ds- 

 C) a small blunt spine inserted a little before apex. 



LARVA. (Fig. 145). — Head much broader than long. Antenna not quite as 

 long as head, constricted beyond antennal tuft, the portion before constriction 



Fig. 145. Larva of Culex alraius Theobald. A, Terminal segments. 

 B, Pecten tooth. C, Comb scale. D, Head. 



