In Williams, Arizona, the Kaibab National Forest, the USDA Forest Service Forest Health Protection, Northern Arizona University, and the Arizona Elk Society are working together to treat Aspen trees that have been infested by Oystershell scale, tiny insects that are threatening the Aspen tree species. The research on this project is primarily led by Dr. Kristen Waring, professor of silviculture at Northern Arizona University’s School of Forestry. Photo Credit: Wendy Howell/WGCN