Thanks for your help!
No the holes are not man made it looks chewed like some kind of insect maybe.
There was no house wrap but we will be putting it on after we replace the plywood.
We are in the process of replacing our windows and vinyl siding; when we removed the siding on the north side of our house two sheets of the plywood underneath was completely covered with holes about the size of a dime. :(
There are also some spots with some sort of fungus growing on it. What...
