TENTH REPORT 
f 
OF THE 
STATE ENTOMOLOGIST 
(Walsh, 1; LeBaron, 4; Thomas, 5.) 
ON THE 
Noxious and Beneficial Insects 
$ 
OF THE 
STATE OF ILLINOIS, 
FIFTH ANNUAL REPORT 
By CYRUS THOMAS, Ph.D. 
State Entomologist. 
SPRINGFIELD: 
H. W. Rokker, State Printer and Binder. 
1881. 
