Oak wilt is a devastating fungal disease that kills trees in the red oak group (red, black, and northern pin oaks) and also harms trees in the white oak group (white, bur, and swamp white oaks). For WI DNR's website: dnr.wi.gov/ search for keyword "oak wilt". Click here to view the WI DNR Oak Wilt Handout.
Emerald Ash Borer (EAB)
EAB is a destructive insect pest of ash trees. Important changes to the regulation of Emerald
Ash Borer in the state of Wisconsin have recently taken place. As of March 30, 2018 Wisconsin will be under a statewide quarantine for EAB. For more information about this recent development, visit the WI DNR's EAB website by clicking here.
Also, Wisconsin's Department of Trade and Consumer Protection (DATCP) hosts a helpful website with detailed information that is available by clicking here.
For more detailed Gypsy Moth information, visit Wisconsin's Department of Agriculture, Trade and Consumer Protection (DATCP) website by clicking here.
Wisconsin DNR - Forest Health
Information about diseases, invasive insects, and invasive plants that threaten the health of the forest ecosystem are available at the Wisconsin DNR's Forest Health website by clicking here.
Northwoods Cooperative Weed Management Area (NCWMA)
The Northwoods Cooperative Weed Management Area (NCWMA) is a collective group of state and federal agencies, municipalities, tribes, nonprofits, community organizations, and individuals who have come together to combat invasive species in Douglas, Bayfield, Ashland, and Iron counties in northern Wisconsin.
See what tools are available to you in the NCWMA toolshed, work on plant identification, and learn about what is happening on a local level to combat the spread of terrestrial and aquatic invasive species by clicking here.