When and where was the emerald ash borer (EAB) first detected in Pennsylvania?
The emerald ash borer (EAB), Agrilus planipennis, is an invasive highly destructive wood-boring insect that attacks ash trees. It has killed more than 40 million ash trees in the states of Michigan, Ohio, Indiana, Maryland, and Illinois. It was detected for the first time in Pennsylvania in late June 2007. EAB adults were found on a green ash tree in Cranberry Township, Butler County through a joint effort by federal and state agriculture departments, the Pennsylvania Department of Conservation and Natural Resources (DCNR), and the Pennsylvania State University, Department of Entomology, Cooperative Extension. As a result of this first detection in Pennsylvania, an order of quarantine was issued for Allegheny, Beaver, Butler, and Lawrence Counties in Pennsylvania. Pennsylvania Department of Agriculture Secretary Dennis Wolff said, “Emerald Ash Borer poses a major threat to ash trees.” Secretary Wolff also stated, “To best manage any effects of an infestation, we’re working to determine