Hemlock woolly adelgid damage
Crown thinning is one type of damage that occurs from hemlock woolly adelgid infestations.
Photographer(s): Robert L. Anderson, USDA Forest Service
Copyright: www.ForestryImages.org
Crown thinning is one type of damage that occurs from hemlock woolly adelgid infestations.
Photographer(s): Robert L. Anderson, USDA Forest Service
Copyright: www.ForestryImages.org