Jul. 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 larva? to 

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

 which the moth emerged. Fig. 3.— A spring-brood moth. Fig. 4. — A spring-brood moth ovi- 

 positing on leaf, showing first-brood eggs. Fig. 5.— A wormy apple containing a first-brood 

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

 brood moth ovipositing on leaf, showing second-brood eggs. Fig. 8. — An apple showing where 

 a second-brood larva entered the side. Time to spray, as soon as petals drop. Too late to spray, 

 calyx cup closed. (Original.) 



