Black Turpentine Beetle

The black turpentine beetle is an insect that lives in the inner bark of pine trees. Removal of the outer bark will reveal a vertical gallery or tunnel up to 18 inches long or a D-shaped to fan-like gallery up to 12 inches across. Generally, its activity h confined to the lower three to eight feet of trees.

The link address is: http://creatures.ifas.ufl.edu/trees/beetles/black_turpentine_beetle.htm