Broadnecked Root Borer

Subject: Name that beetle
Location: South Western Pennsylvania
July 8, 2013 5:52 pm
We found this beetle in south western Pennsylvania around 8:00pm on our back porch. It is fairly large maybe the size of a half dollar coin. We are curious as we have never seen this type of beetle before.
Signature: Joe

Broadnecked Root Borer
Broadnecked Root Borer

Dear Joe,
This impressive beetle is a male Broadnecked Root Borer,
Prionus laticollis.  They are attracted to lights, so that might be the reason you found it on your back porch.  The antennae of the males are much more developed than those of the female.


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