DAvVoiNSteis ne 
INSECTS INJURIOUS TO DECIDUOUS 
SHADE TREES AND THEIR CONTROL 
JACOB KOTINSKY — 
Assistant in Forest Entomology 
FARMERS’ BULLETIN 1169 
UNITED STATES DEPARTMENT OF AGRICULTURE 
Contribution from the Bureau of Entomology 
L. O. HOWARD, Chief 
Washington, D.C. June, 1921 
Show this bulletin to a neighbor. Additional copies may be obtained freefrom the ~ 
Division of Publications, United States Department of Agriculture 
WASHINGTON : GOVERNMENT PRINTING OFFICE : 1921 
