Sudden Oak Death Phytophthora ramorum Home 9 Category: Invaders ( Page 7 ) Background Sudden oak death is a disease affecting species of trees caused by a fungal-like organism. Established in localized areas of North America, the native range of the...
Thousand Cankers Disease Geosmithia morbida Home 9 Category: Invaders ( Page 7 ) Background Thousand cankers disease is a new threat that has been linked to the death of eastern black walnut trees in the United States over the last decade. The native...
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...
Tubenose Goby Proterorhinus semilunaris Home 9 Invaders 9 Category: Fish Background The Tubenose Goby is a small, bottom-dwelling invasive fish. Native to rivers and estuaries of the Black and Caspian sea basins, it was first discovered in North...
Zander Sander lucioperca Home 9 Invaders 9 Category: Fish What is Ontario Doing? To prevent this unwanted invader from coming into the province, Ontario has regulated Zander as prohibited under the Invasive Species Act, 2015. For more information...
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