U. S. l)l-:i'.\K I .Mi:\ I Ol-" A'viRlCLLllK 

 BUREAU OF ENTOMOLOGY- BULLETIN No. 58. 



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



8().Mi: INSECTS I N.I I" I! 1 01 S TO FORESTS. 



1. THE LOCUST BORER. 



Ry A. D. HOPKINS, In Charge of Forest Insect Investigations. 



IE THE WESTERN PINE-DESTROVhNG BARKBEETLE. 



By J. I>. WEBB, Special Field Agent, Forest Insect Investigations. 



in. ADIHTIONAL DATA ON THE LOCUST BORER. 



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



IV. THE SOUTHERN PINE SAWYER. 



By J. L. WE BB, M. S., AgerU and Expert. 



V. INSECT DEPREDATIONS IN NORTH AMERICAN FORESTS AND PRACTICAL 

 METHODS OF PREVENTION AND CONTROL. 



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



W ASIIlN(i'U()N: 



(; (> V K K N M I . N I I" i: T N I I \ ( ; < I K K I C K . 



1 1 . 



