Plate XV. 



ii. 



in. 



'• Comb Scales of Culex impiger. Wlk. 

 "'• Labial plate of Culex pipiens. Linn, i 



ii. Labial plate of Culicada fitchii. Felt, 

 v. Siphon of Culex impiger. Wlk. v Labial 

 plate of Culex impiger. Wlk. 



Larval Characters. 



