Walnut twig beetle

Asked August 18, 2020, 11:50 AM EDT

We have a very large old black walnut tree in our back yard. Now I am seeing a small bug that I think is a walnut twig beetle. A branch from this tree fell in last week's storm and it is covered with these bugs. Should I be concerned? What if anything should I do to get rid of these bugs? Thank you. Melissa Pavone

New Castle County Delaware

1 Response

The walnut twig beetle is only 2 mm long, so I am not sure that is what you are seeing. Here is an article from New York with more information:


If you can get a photo, send it to our IPM specialist Brian Kunkel for ID . His email is bakunkel@udel.edu