The Ohio Division of Forestry is committed to protecting our forests from insects, diseases, and other factors affecting forest health.
Through these efforts, we can help ensure the longevity of the resource and help provide a greater benefit to the public.
Ohio's Two Most Important Forest Threats:
Asian Longhorned Beetle (ALB)
In mid-June, 2011, this non-native invasive pest was discovered infesting maple trees in Bethel, Ohio (Clermont County). Federal, state, and local agencies are now dealing with this multi-genus eating beetle. > read more
Emerald Ash Borer (EAB)
If not stopped, it will spread across the Midwest and though our nation's hardwood forests, killing off ash as a managed species. The loss of ash would have a dramatic ecological and economical impact. > read more
Other Forest Health Issues
Thousand Cankers Disease Confirmed in Ohio (Ohio Department of Agriculture)
Bacterial Leaf Scorch Statewide Survey
Thousand Cankers Disease Pest Alert (pdf)
Thousand Cankers Disease Briefing Paper from USDA Forest Service (pdf)
Thousand Cankers Disease website (Purdue University)
Other Forestry News