An invasive beetle that has killed more than 20 million ash trees in Michigan, Indiana, Ohio and Canada is heading south toward Virginia, according to officials with the U.S. Department of Agriculture.

The [Emerald Ash Borer](http://www.answers.com/topic/emerald-ash-borer “Answers.com Emerald Ash Borer Page”) beetle, discovered in Michigan five years ago, was found at a nursery in Maryland last year, raising concerns that its next target is Virginia. Although the USDA set up quarantines, experts say the insect is difficult to control. A specialist at Ohio State University, said the beetle is heading south as ash trees diminish in the Great Lakes region.

Read (Harrisonburg Daily News Record)