Red Headed Ash Borer emerges from shelf

Subject: Flying wasp like inspect?
Location: Northern New Jersey,
March 8, 2016 7:37 pm
For the past week I been seeing a few of these in my house , only in the living room. I have no idea how they keep getting in since i have windows closed and new windows put in few months ago.
I did redo my roof couple of days ago so I thought I disturbed them and they kept getting in somehow. They resemble wasps.
But after research I think they might be a wasp or a Red Headed Ash Borer. I also recently got a raw edge shelf our of my mill in my living room. I sealed it with lacquer and stain twice but maybe they keep getting out? If it is the beetle, any way I can keep my shelf and somehow exterminate them out of there? ( I paid $350 for this stupid shelf! ) :/
Thank You for all your help!!
Signature: Confused By Bug

Red Headed Ash Borer
Red Headed Ash Borer

This is either a Red Headed Ash Borer or a closely related species of Long Horned Borer Beetle.  According to BugGuide:  “Larvae feed on the sapwood of ash and other hardwoods, and even occasionally on vines and shrubs. Larvae are common in downed timber with the bark left on.”  They may have emerged from firewood you have in the home.  If that is not the case, your rustic shelf is most likely the source.

Rustic Shelf might be responsible for Red Headed Ash Borers
Rustic Shelf might be responsible for Red Headed Ash Borers
Red Headed Ash Borer
Red Headed Ash Borer

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