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I Have Little Holes in a Circular Pattern Around My Tree. What Are They?

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Question: I Have Little Holes in a Circular Pattern Around My Tree. What Are They?
"My tree has little shallow holes all around it in several areas, about pencil-eraser depth. They are in a circular pattern for the most part. Any ideas?"
Answer:

If by a “circular pattern” you mean the little holes in your tree seem to encircle the trunk, and if those holes are evenly spaced (as if in a pattern, as opposed to scattered all over, helter-skelter), a woodpecker may be responsible. And if a woodpecker is, indeed, the culprit, you don’t need to take any action — it should be fine. Otherwise, I’d say “borers” — and recommend insecticide.

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