Borer?

[Youngbuck20]

Picked up a zubat and thought I should tester out. Found these marks and not sure what it is. No signs of borers anywhere else. Pic kinda sucks, iPhone.



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I am here: http://maps.google.com/maps?ll=44.664154,-79.443382

 

[Youngbuck20]

View attachment 226424


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I am here: http://maps.google.com/maps?ll=44.664574,-79.443315

 

[Youngbuck20]

I can use a saw better than I can use arboristsite I swear lol


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I am here: http://maps.google.com/maps?ll=44.664085,-79.443324