Bui. 805, U. S. Dept. of Agriculture. 



Plate 1 1 . 



Fig. I.— Cages Used for Rearing the Apple Leafhopper in Nursery, 

 West Chester, Pa. 





v:l 



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Fig. 2.— Terminal Leaves of Nursery Apple Trees Curled by the 

 Apple Leafhopper. 



THE APPLE LEAFHOPPER. 



