![Biology professor Don Cipollini](http://webapp2.wright.edu/web1/newsroom/files/2014/10/cipollini2-14576_202-260x167.jpg)
Wright State biology professor Don Cipollini finds that the emerald ash borer, which is destroying ash trees in a large part of the country, has apparently spread to a different tree.
The emerald ash borer is spreading across the U.S. and destroying ash trees. The pests usually only bothered ash trees, but an Ohio scientist has made a distressing discovery.
Listen to the report from National Public Radio.