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



213 



adult male. — Coloration similar to that of female. TERMINALia (Fig. 

 115A). Lobes of 7iinth tergite (IXT-L) about as long as broad, separated by 

 a little less than the width of one lobe, each bearing several short spines. Tenth 

 sternite (X-S) prominent, heavily sclerotized beyond middle. Phallosome 

 (Ph) cylindrical, about two-thirds as broad as long, strongly constricted just 

 before apex, open ventrally and at tip, closed dorsally. Claspette stem (Cl-S) 

 rather stout, pilose, bearing a short seta at tip and a short stout branch near 

 middle; claspette ^lament (Cl-F) a large broadly expanded contorted leaf-like 

 structure about as long as claspette stem and arising from the tip of the short 

 median branch of the stem. Basistyle (Bs) cylindrical, nearly three times as 

 long as broad, rounded at apex, clothed with scales and long setae (setae more 

 numerous apically and near inner ventral margin) ; basal lobe (B-L) rounded, 

 covered with numerous moderately long setae arising from distinct tubercles; 

 apical lobe (A-L) a stout thumb-like projection bearing short curved setae on 

 margin. Dististyle (Ds) approximately two-thirds as long as basistyle, broader 



Fig. 116. Larva of Aedes ihihaulti Dyar and Knab. A, Terminal segments. 

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



