Plate XI. — Insect pests of the apple. Upper, On left, apples 

 in proper condition for first codlin-moth spray; on the right too 

 late for effective spraying. Middle, Work of codlin-moth or 

 common apple worm in the apple. Lower, Young apples injured 

 by the fruit-tree leaf-roller, an insect prevalent in Fremont 

 County, Colorado, and often in New York and other barreled 

 sections. 



