Bui. 438, U. S. Dept. of Agriculture. 



Plate I, 



The Pear Leaf-Worm. 



Fk;. I.-Adujt ffuialu fo.-diriK. Fro. 2.-.\<lult femnlc fviprmitinK. Vu:. 3.-LeavcH deformed 

 by ovipositiori. Fu;. 4.— Cocoou.s. (Origiiiul.) 



