Nationally Significant tree protected
Protected ash tree
Happily protected tree in Ottawa
Signs of early infestation in crowns of small trees
Street trees infested
Heavily infested street trees
Heavily infested trees in city park setting
Ecoject system application to ash tree
Laval tunnels bark removed
Emerald Ash borer larvae bark removed
Epicormic shoots developed on an infested ash tree
Emerald ash borer adult beetle