1920 The Cornell Reading-Courses 



(In answering questions, attach additional paper if needed and number the 

 answers.) 



I. Describe the injury caused by codling moth, apple maggot, apple 

 redbugs, fruit-tree leaf-roller, and green fruit-worms. 



2. Outline briefly the life history of the codling moth. 



3. When would you spray for the codling moth? Give reasons. 



