An Army of Beetles Could Help Save Dying Hemlock Forests

BENT CREEK EXPERIMENTAL FOREST, N.C. — When the woolly adelgids come and descend on the forest, the eastern hemlock dies. It’s been like this since the insect was discovered in Virginia in 1951. The aphid-like pest spread north first, but by the early 2000s, eastern hemlocks in the southern Appalachians were being decimated by the [...]