holly trunk injury

Is anyone familar with this trunk injury pattern? http://www.treedictionary.com/DICT2003/temp /
Sincerely, John A. Keslick, Jr. Consulting Tree Biologist http://home.ccil.org/~treeman and www.treedictionary.com Beware of so-called tree experts who do not understand tree biology. Storms, fires, floods, earthquakes, and volcanic eruptions keep reminding us that we are not the boss. Some people will buy products they do not understand and not buy books that will give them understanding.
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woodpeckers. the holly propably has borers. lee
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