White pine weevil- Identification

White pine weevil is more recognizable by its damage than by the beetle itself.

Adult white pine weevil.

Adult white pine weevil.
Photo: Steven Katovich, USDA Forest Service, Bugwood.org

 

Look for pitch flowing from feeding wounds on terminal shoots in spring. The new growth appears stunted and finally wilts.

Terminal shoots of young eastern white pine killed by white pine weevil feeding.

Terminal shoots of young eastern white pine killed by white pine weevil feeding.
Photo: Dan Herms, The Ohio State University, Bugwood.org

 

In addition, look for pupal chambers or "chip cocoons" made by the larvae along the main stem.

Chambers where white pine weevil pupated.

Chambers where white pine weevil pupated.