Maple tree insect identification

Asked July 20, 2015, 10:19 PM EDT

A neighbor's maple tree shows evidence of some kind of insect borers. Could these holes be the result of clearwing borers?

Boulder County Colorado

1 Response

From our research, we see that clearwing borers don't usually affect maples. But it could be one of several other borers.

Here is a fact sheet that may be helpful:

http://www.ext.colostate.edu/pubs/insect/05530.html