2022 Apple Codling Moth, First Generation

2022 Apple Codling Moth, First Generation

All Crops    Treasure Valley, Treasure Valley - Idaho, Northern Idaho

Apple Codling Moth

Posted on: May 25, 2022 by Ruth Givens

The first apple codling moths were trapped in mid May . Currently the degree day model is reporting 201 degree days (DD) as of May 25. There are different management options to consider when controlling this pest.

Option A: Starting at 200 DD, forecasted to be May 25, apply a mixture of water and horticultural oil at 1% concentration to smother egg infestation. Follow with first application of insecticide at 350 DD. Reapply insecticides based on the protection interval stated on the label.

Option B: Starting at 220-250 DD, forecasted to be May 28, apply insecticides that target newly hatched larvae. Reapply insecticides based on the protection interval stated on the label.

Reference publication links to view insecticide options for commercial or residential sites. Commercial products with the active ingredients including; spinetoram, acetamiprid, chlorantraniliprole, etc. Residential products with active ingredients including; lambda-cyhalothrin (restricted use pesticide), or esfenvalerate and Spinosad (general-use pesticides). Non-spray option is to bag the fruit.

This pest needs prevention all season long for clean fruit.

https://pnwhandbooks.org/insect/tree-fruit/apple/apple-codling-moth

https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1879&context=extension_curall

https://extension.colostate.edu/topic-areas/insects/codling-moth-control-in-home-plantings-5-613/