I'm just going to take a guess, but I wonder if it isn't some sort of caterpillar? In that case something like Bt would work. Other then that it could be a beetle.

Any chance of pictures?

Sometimes a search & destroy mission is all you need.
Other times, the pests may already be gone.

more than likely its a caterpillar of some type ive been fighting them already in my trees ..a spray of malathion should cure that for you i usually spray it on my non producing trees once a month just to keep them out of them.

Photo added.

http://s935.photobucket.com/albums/ad197/bigbob7777/?action=viewät=IMG_2988.jpg

http://s935.photobucket.com/albums/ad197/bigbob7777/?action=view&current=IMG_2985.jpg

Notice the brown edges of the holes? That means whatever made the holes is long gone.

Thus, no need to fret and/or spray.

Neglected to mention that the ragged character of some of the damage suggests mechanical damage, such as from a windy day.

Is that possible?