Bui. 252, U. S. Dept. of Agriculture. 



Plate I. 



Chart Illustrating the Life History of the Codling Moth in Maine. 



Fig. 1. — Overwintering larva in cocoon. Fig. 2. — Cocoons remodeled by overwintering larvae to 

 form exit tubes. The upper cocoon containsa spring-brood pupa; the lower, a pupal skin from 

 which 1 he mot h emerged. Fig. 3. — A spring-brood moth. Fig. 4. — A spring-brood moth ovi- 

 po [til bowing fir i -brood eggs. Fig. 5. — A wormy apple containing a flrst-brood 



larva. Fig. 6. Cocoon of flrst-brood larvae, one of which transformed to pupa. Fig. 7. — First- 

 brood mothovipo [ting on leaf, showing second-brood eggs. Fig. 8. — An apple showing where 

 a second-brood lar. :■ < nii-n-.i i in: . j ' I • - . Time, lo ; .prav, as soon as petals drop. Too lalo to spray, 

 calyx cup closed. (Original.) 



