U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY™ BULLETIN No. 68. 



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



PAPERS ON DECIDFOUS FRUIT INSECTS 

 AND INSECTIOIDES. 



I. THE PEAR THRIPS. 



By DUDLEY MOULTON, Engaged in Deciduous Fruit Insect Investigations. 



II. THE SPRING CANKER-WORM. 



By A. L. QUAINTANCE, Iji Charge of Deciduous Fruit Insect Investigations. 



III. THE TRUMPET LEAF-MINER OF THE APPLE. 



By A. L. QUAINTANCE, In Charge of Deciduous Fruit Insect Investigations. 



IV. THE LESSER PEACH 150RER. 



By A. A. GIRAULT, Engaged irt. Deciduous Fruit Insect Investigations. 



V. THE LESSER APPLE WORM. 



By A. L. QUAINTANCE, In Charge of Deciduous Fruit Insect Invesiigalions. 



VI. GRAPE ROOT-WORM INVESTIGATIONS IN 1907. 



By FRED JOHNSON, Engaged in Deciduous Fruit Insect Invesiigalions. 



VII. DEMONSTRATION SPRAYING FOR THE CODLING MOTH. 



By A. L. QUAINTANCE, S. W. FOSTER, FRED JOHNSON, and A. A. GIRAULT. 



VIII. THE GRAPE-LEAF SKELETONIZER. 



By P. R. JONES, Engaged in Deciduous Fruit Insect Investigations. 



IX. THE PEACH-TREE BARKBEETLE. 



By H. F. WILSON, Engaged in Deciduous Fruit Insect Investigations. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1909. 



