Hemlock Woolly Adelgid Adelges tsugae Home 9 Category: Invaders ( Page 7 ) Background The hemlock woolly adelgid (HWA) is an aphid-like insect that attacks and kills hemlock trees by feeding on nutrient and water storage cells at the base of needles. It...
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...
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