U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— BULLETIN No. 68, Part VIU. 



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



PAPERS ON DECIDUOUS FRUIT INSECTS 

 AND INSECTICIDES 



THE GRAPE-LEAF SKELETONIZEPv, 



P. R. JOXES, 



Engaged in Deciduous Fruit In.scct Investigations. 



Issued January 20, 1909. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE 



1909. 



