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Dutch Elm Disease

Dutch Elm Disease

Dutch Elm Disease Ophiostoma ulmi  Home 9 Category: Invaders ( Page 7 ) Background Dutch elm disease is caused by a fungus (Ophiostoma ulmi) that has been killing native elm trees in North America. The disease is spread by both a native elm bark beetle...
Asian Carps

Asian Carps

Asian Carps  Home 9 Tag: Yellow Iris What is Ontario Doing? To prevent these unwanted invaders from coming into the province, Ontario has regulated all four species of Asian carps (Silver Carp, Bighead Carp, Grass Carp, and Black Carp) as prohibited under...