What's That Bug? does not endorse extermination

Longhorned Borer Beetle

Posted by April 5th, 2006 at 12:00 am

Categories

Beetles

What a great site!
Attached are two pics of the same bug. We have been seeing at least one a day in the house for the past week. We have never seen this bug before then. What is it? We are in northeast PA.
Thanks
Bob and Sarina

Hi Bob and Sarina,
This is a Longhorned Borer Beetle. After searching on BugGuide, we found a match with Sarosesthes fulminans. The Cooperative Pest Survey Bulletin online notes: ” Sarosesthes fulminans has a distinctive eyespot on its pronotum that distinguishes it from other longhorned beetles. The larvae of this species feed under the bark and sapwood of hardwood trees, especially chesmut [chestnut?] and oak. This beetle is not considered economically important.”

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