Several invasive insect species are killing trees and plants. Most of these bugs came from Asia, and are now spreading across the United States.
Adelgids are attacking Hemlock trees, spotted lanternfly are going after grapes.
But scientists are also using bugs to help combat the spread of some of these pests?
To learn more, Roxy Todd went to visit Grayson Highlands State Park, just a few miles from North Carolina. It’s home to some of the state’s most rare, and unique, forest ecosystems.
Virginia Public Radio 