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Green-headed beetle #850421
Asked September 18, 2023, 5:47 PM EDT
Washington County Oregon
Expert Response
Thanks for keeping an eye out for emerald ash borers! Luckily this is a beautiful native species called Buprestis viridisuturalis and is not an emerald ash borer.
The color and patterning of Buprestis viridisuturalis adults can be a little variable, but here is a link to a photo of one that looks pretty similar to the one you saw...
https://bugguide.net/node/view/1683267/bgimage
Buprestis viridisuturalis is not a pest. Its larvae live in and feed on the wood of injured, dying or recently dead alders, cottonwoods, aspens and poplars.
Hope that helps!