16 FARMERS' BULLETIN 564. 



few egg clusters are present in the orchard, early spraying, such as is 

 applied for the codling moth after the blossoms fall, will be found 

 useful, providing the amount of poison used is increased to 10 pounds 



FIG. 9. High-power spraying outfit in use in treating roadside trees. (From Rogers and 



Burgess.) 



to 100 gallons of water. If the infestation is more serious, a second 

 spraying early in June, using a similar amount of poison, will be 

 found very satisfactor}^ In cases where the infestation is severe it 



