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Zebra Mussel (Dreissena polymorpha) is a mollusk pest. It is a native of Caspian Sea region of Asia and was first detected in Lake St. Clair, Michigan in 1988.
Zebra mussels (Dreissena polymorpha) are small, fingernail-sized mussels. They are believed to have been transported to the Great Lakes via ballast water from a transoceanic vessel. Since that time, they have spread rapidly to all of the Great Lakes and waterways in many states, as well as Ontario and Quebec.
This pest poses a large risk to U.S. plant health. International commerce provides recognized avenues of introduction. If you think you have seen this pest, contact your state plant regulatory official. |
