Forgive my ignorance, but don't woodpeckers eat larvae?
Would this mean that there is an insect in the tree? I was
thinking woodpeckers but what kind of bug would be in the tree?

Marley1372 wrote:
It is probably not an insect unless you have giant mutant insects from another
planet that make holes that big. Try looking up some information on
woodpeckers or yellow bellied sapsuckers.

Toad