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I think my ash tree has that beetle

Ash trees only, plus the occasional white fringetree. Thinning starts at the very top and works down while the lower canopy still looks normal. Sprouts erupt from the trunk and root flare. Vertical splits open in the bark. Peel loose bark and you find S-shaped tunnels packed with fine frass. Crisp D-shaped exit holes about an eighth of an inch across, flat on one side. Pale patches where woodpeckers stripped bark to reach the larvae.

Within weeks

Larvae feed in the cambium just under the bark, severing the tree's plumbing from the inside. Once enough galleries overlap, the crown above starves regardless of soil, water, or fertilizer. Untreated infested ash die — this is not a decline trees recover from on their own. The line between the ones you can save and the ones you cannot is almost entirely how much canopy is still alive the day you first look.

What it usually costs

Normally a tree removal job: $400 to $1,900 around Indianapolis, depending on size and access. A range, not a quote.

I think my ash tree has that beetle by town

Other tree problems

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