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



175 



Phallosome (Ph) cylindrical, about twice as long as broad, rounded apically, 

 open ventrally, closed dorsally, lightly sclerotized. Claspettc stern (Cl-S) slen- 

 der, cylindrical, pilose, reaching near apex of basal lobe; claspette ^lament 

 (Cl-F) ligulate, about two-thirds as long as stem, gradually tapering to a 

 blunt point. Basis tyle (Bs) about three times as long as width across middle, 

 rounded at apex, clothed with large scales and long setae on outer aspect; 

 basal lobe (B-L) large, quadrate, densely clothed with short setae arising from 

 small tubercles; apical lobe (A-L) large, broadly rounded, covered with 

 numerous short flattened setae. D is t is tyle (Ds) about two-thirds as long as 

 basistyle, broader medially; terminal claw (Ds-C) slender, about one-sixth as 

 long as dististyle. 



LARVA. (Fig. 91). — Head broader than long. Antenna shorter than head, 



Fig. 91. Larva of Aedes canadensis (Theobald). A, Terminal 

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



