til 



<\ 1 U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— BULLETIN No. 97. 



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



PAPERS ON DECIDUOUS FRUIT INSECTS 



AND INSECTICIDES. 



I. SPRAYING EXPERIMENTS AGAINST THE GRAPE LEAFHOPPER 

 IN THE LAKE ERIE VALLEY. 



By FRED JOHNSON, Agent and Expert. 



II. LIFE HISTORY OF THE CODLING MOTH AND ITS CONTROL ON PEARS 



IN CALIFORNIA. 



By S. W. FOSTER, Agent and Expert. 



III. VINEYARD SPRAYING EXPERIMENTS AGAINST THE ROSE-CHAFER 



IN THE LAKE ERIE VALLEY. 



By FRED JOHNSON, Agent and Expert. 



IV. THE CALIFORNIA PEACH BORER. 



By DUDLEY MOULTON, Special Agent. 



V. NOTES ON THE PEACH AND PLUM SLUG. 



By R. A. CUSHMAN, Agent and Expert. 



VI. NOTES ON THE PEACH BUD MITE. 



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



VII. THE GRAPE SCALE. 



By JAMES F. ZIMMER, Entomological Assistant. 





WASHINGTON: 



GOVERNMENT PRINTING OPPIG1, 



1912. 



