White pine caterpillar

Asked June 24, 2020, 1:23 PM EDT

What is treatment for caterpillars on my white pines. It looks like grass under trees. It’s white pine needles. My trees are thirty feet tall.

Monroe County Michigan

1 Response

The help me diagnose the problem can you send me a photo of the pine needles that have fallen from the tree and a photo of the entire tree? How may caterpillars are on the tree? Are they localized to a branch or are they all over the tree? Is there any webbing in the tree?