How to scout for common stalk borer

June 18, 2019 11:35 AM
Blog Post

This year I’ve had a few people ask for tips on scouting for common stalk borer. The larvae are moving from brome to corn throughout Iowa and it is a good time to scout for timely management. Thanks to the help of Warren Pierson, coordinator of the FEEL, I have some photos to share.

Common stalk borer.
Look for “dead heads” in brome along field margins.

Common stalk borer.
Infested (left) brome compared to a healthy stem.

 

Common stalk borer.
Splitting open an infested stem reveals common stalk borer. 

Hope this helps with your scouting efforts this season!

 

Authors: 

Erin Hodgson Professor

Dr. Erin Hodgson started working in the Department of Entomology at Iowa State University in 2009. She is a professor with extension and research responsibilities in corn and soybeans. She has a general background in integrated pest management (IPM) for field crops. Dr. Hodgson's current extensio...