U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— BULLETIN No. 58. 



L. O. HOWARD. Kntomologist and Chief of Bureau. 



SOME INSECTS INJUIUOUS TO FORESTS. 



I. THE LOCUST BORER. 



Hy .V. n. HOl'KINS. In Chargr of Forest Inxect Inv(stigatinn.t. 



II. THE WESTERN PINE-DESTROYING BARKBEETLE. 



By J. L. \VET$B, Special Field Agent, Forest Insect Inrexligationx. 



in. ADDITIONAL DATA ON THE LOCUST BORER. 



By A. I). HOPKINS, In Charge of Forest Insect Investigations. 



IV. THE SOUTHERN PINE SAWYER. 



By I. L. WEBB, M. S., Agent and Expert. 



V. INSECT DEPREDATIONS IN NORTH AMERICAN FORESTS AND PRACTICAL 

 METHODS OF PREVENTION AND CONTROL. 



By A. D. HOPKINS, PH. D., In Charge of Forest Insect Investigations. 



\V.\SIIlN(i lO.N: 



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