The OSU Extension Service in Central Oregon has a program to assist local residents with control of codling moth. Informative timely emails are sent out to interested residents with advice on when and how to treat fruit trees to reduce or prevent infestation. If you would like to be added to the contact list to get this information, please contact Carrie Sether.
Primary: Apple, Pear (once it starts to soften)
Sometimes: Large-fruited Hawthorn, quince, prune and walnut
Rarely: Peaches, Apricot and Cherry (this occurs only where heavy infestations of apple or pear are near)
Timely Tips for Fruit Tree Growers
Update 1 - April 12, 2019 Information
Update 2 - May 13, 2019 Information
Update 3 - May 22, 2019 Information