Issued November 25, 1910. 



U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF ENTOMOLOGY— CIRCULAR No. 125. 



L. O. HOWARD, Entomologist and Chief a( Buieau. 



INSECTS WHICH KILL FOREST TREES: 



CHARACTER AND EXTENT OF THEIR DEPREDATIONS 

 AND METHODS OF CONTROL. 



A. D. HOPKINS, 



In Charge of Forest Insect Investigations. 



64136°— Cir. 125 — 10 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1910 



