3522 
CONTENTS 
Page. 
Itinerary 5 
Work done from Ithaca, N. Y 6 
Teachers' institutes 6 
Status of the fruit crop for 1901 , 6 
Injury due to codling moth in 1901 7 
Fruits infested by the codling moth 7 
Introduction and spread of the codling moth in the Northwest .. 8 
Life zones and present distribution 9 
Life history of the codling moth 10 
The egg 10 
The larva 10 
The pupa 13 
The moth 13 
Generations of the insect 15 
Overlapping of generations 18 
Causes and conditions which affect the numbers of this insect 18 
Preventive measures employed against the codling moth 19 
Remedial measures employed against the codling moth 20 
Measures against the larvae 20 
Spraying 21 
Early sprayings 21 
Later sprayings 22 
Material for the spray 24 
Expense of spraying 25 
Picking and destroying wormy fruits 25 
Banding 26 
Measures against the adult 27 
_ Trap lanterns 27 
Baiting the moth 27 
Resume and conclusion 27 
3 
