STATE OF ILLINOIS 

 DEPARTMENT OF REGISTRATION AND EDUCATION 

 NATURAL HISTORY SURVEY DIVISION 



A SYNOPSIS OF THE 

 MOSQUITOES OF ILLINOIS 

 (Diptera, Culicidae 



Herbert H. Ross 

 William R. Horsfall 



Illinois Natural History Survey 

 Biological Notes No. 52 



Urbana, Illinois March, 1965 



