Beech trees now a cause for concern
http://www.dnr.state.oh.us/news/feb04/0220beechdisease.htm
Evidently some may be resistant-
http://www.dnr.state.oh.us/forestry/health/beechbark.htm
Some beech trees (1 - 5 %) appear to have bark characteristics that are resistant to beech scale infestations. These trees are relatively unaffected, while surrounding beech trees are killed during BBD outbreaks. U.S. Forest Service scientists are trying to determine if this resistant bark characteristic is an inherited trait.
