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Invasive Species Resources

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Wisconsin Department of Agriculture, Trade, and Consumer Protection.
University of Wisconsin. Extension Lakes Program. Citizen Lake Monitoring Network.

Wisconsin Department of Natural Resources.

University of Vermont. Forest Pathology.

Wisconsin Department of Natural Resources.

Wisconsin Department of Natural Resources.

Wisconsin Department of Natural Resources.

Wisconsin Department of Natural Resources.

Wisconsin Department of Natural Resources.

University of Kentucky. Cooperative Extension Service.
See also: Woody Ornamentals for more fact sheets.
Colorado Department of Agriculture. Division of Plant Industry.
Emerald Ash Borer (EAB) was found in Boulder, CO, in September 2013. As a non-native insect, EAB lacks predators to keep it in check. EAB only attacks ash trees in the genus Fraxinus (so mountain ash are not susceptible). EAB is responsible for the death of millions of ash trees in the Midwest. Help protect Colorado's ash trees! Don't move firewood, and consider chemical treatments to protect high-value ash trees.
North Carolina Department of Agriculture and Consumer Services. North Carolina Forest Service.
The emerald ash borer is a metallic green beetle that bores into ash trees feeding on tissues beneath the bark, ultimately killing the tree. It is not native to the United States and was first found in the U.S. near Detroit, Michigan in 2002. In 2013, the emerald ash borer was found in Granville, Person, Vance, and Warren counties in North Carolina. In 2015 it was found in many additional counties, and a statewide EAB quarantine went into effect in North Carolina.
University of Kentucky. College of Agriculture, Food, and Environment. Entomology.
Wisconsin Department of Natural Resources.

Wisconsin Department of Natural Resources.