U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF ENTOMOLOGY— BULLETIN No. 58, Part V. 



L. O. HOWARD, EnlomologUt and Chief of Bureau. 



SOME INSECTS INJlllIOUS TO FORESTS. 



IN8rX!T DEPPvEDATTONS IN NORTH 



a)ii:kican forests 



AND PIUCTICAL METHODS OF PREVENTIOiN 

 AND CONTROL. 



BY 

 A. D. HOPKINS, Ph. D., 



In Charge of Forest Insect Investigations. 



Issnii Di. KMijEK 4, 1909. 



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