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Orthosoma brunneum
Could it be a Pine Sawyer Beetle ?
It looks like a prionid beetle to me. I just found one a few weeks ago, though it's tough to tell which species yours might be from the picture. Check out BugGuide's ID info and it might help. You might not be able to tell for sure what species it is from the picture, but I'm pretty certain it's some species of prionid beetle.