White pine caterpillar
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?
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