Our SW Oklahoma log cabin, built in the ’80’s, wooded area, near lake, is being attacked by a flying, wasp-like black winged insect. It bores a perfectly circular hole, leaving sawdust below the hole. The hole, between 1/4 and 1/2 inches, looks like a drill was used. This past year we’ve noticed about 5 holes. My husband sprayed wasp and hornet killer into the most recent hole and the ‘thing?’ was in there. It poked its head out and then backed up. If the chemical didn’t kill it, surely it