Fighting the Hemlock Woolly Adelgid on State Forests
April 23, 2021 - By Lori Chamberlin, DOF Forest Health Manager Hemlock trees have been under attack since the introduction of the hemlock woolly adelgid, an invasive insect that was first discovered in eastern North America in the 1950s. These small insects settle at the base of hemlock needles, feed on plant sap, and surround themselves in soft, white ovisacs that resemble cotton balls. They may look harmless, but the hemlock woolly adelgid has... Read More
