48 



American Midland Naturalist Monograph No. 3 



B 



Fig. 23. Eggs of mosquitoes. A, Egg raft of Culex. B, Single egg of Culex. C, Egg 

 of Anopheles (dorsal view). D, Egg of Anopheles (lateral view). E, Egg of Aedes 

 aegypti. 



Family Culicidae 



Mosquitoes are two-winged insects belonging to the order Diptera, family 

 Culicidae. The family Culicidae consists of three subfamilies, the Dixinae, the 

 Chaoborinae and the Culicinae. Only species belonging to the subfamily Culi- 

 cinae are included here. The main distinguishing characters of the three sub- 

 families are presented in the following keys: 



Keys to the Subfamilies 



ADULTS 



Flagellum of antenna 14 segmented; wings without scales, vein Sc ending before 

 or near the base of vein 2; mouth parts short, not fitted for piercing Dixinae 



