Oak Wilt Disease

Arborists in Wisconsin say action must be taken to protect oak trees in the southeastern portion of the state from spreading oak wilt disease.

Invasive Gypsy Moths

The gypsy moth has been an important pest of hardwoods in the Northeastern United States since its introduction in 1869...

Emerald Ash Borer

Emerald ash borer (EAB), Agrilus planipennis Fairmaire, is an exotic beetle that was discovered in southeastern Michigan near Detroit...

Wisconsin Forestry FAQ

Wisconsin's total land area is 34.7 million acres. Land growing trees covers 16 million acres or 46%. Most forested land is in the northern...