Tent caterpillars on birch tree?

Asked August 16, 2017, 9:14 AM EDT

Found this on my birch tree today. What if anything should ido about it?

Sherburne County Minnesota

1 Response

If the photos were taken recently, the insects shown are probably fall webworms.

The web-like "tents" may be unsightly and the caterpillars will consume some leaves but their activities will have little or no effect on the tree's health in the long run.

Learn more here:
http://blog-yard-garden-news.extension.umn.edu/2014/08/fall-webworms-are-active-now.html