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Facts & History of Emerald Ash Borer (EAB)?
EAB is an exotic, destructive, beetle from eastern Russia, northern China, Japan and Korea. It is believed that it arrived in the US on a shipping barge carrying ash tree lumber. It was first discovered in the US near Detroit, Michigan in June 2002. As of June 2006, EAB has been found in Michigan, Indiana, Ohio, Illinois (50 miles from WI border), and
The adult EAB is dark metallic green and about one-half inch long.
What trees are susceptible to the EAB?
All sizes and even very healthy ash trees can be killed by the Emerald Ash Borer. Ash species attacked by emerald ash borer include green (Fraxinus pennsylvanica), white (F. americana), black (F. nigra), and blue (F. quadrangulata), as well as horticultural cultivars of these species. Green and white ash are the most commonly found ash species in the Midwest with blue ash being rare.
While other woody plants, such as mountain ash and prickly ash, have “ash” in their name, they are not true ash, or Fraxinus species. Only true ash are susceptible to attack by emerald ash borer.
How does the EAB harm ash trees?
The larval stage of the EAB feeds under the bark of trees, cutting off the flow of water and nutrients. Infested trees gradually die over a 2-4 year period.
How does EAB spread?
EAB moves short distances (½ mile annually) by flying and can survive longer distances in transit on ash nursery stock, ash logs, branches and firewood. To avoid the accidental introduction of the EAB to Wisconsin, the WI DNR has implemented a Firewood Emergency Rule: out-of-state campers may not bring in firewood. And everyone, whether a Wisconsin Resident or non-Resident, is being asked to buy firewood inside or near the property where you plan to camp, burn all of the wood you purchase or leave it behind for another camper, and do not move firewood around with you on your camping trip.
To contact someone for questions or information please call 1-888-OHIO-EAB
Below are some documents to provide you with more information regarding the Emerald Ash Borer. These documents are in Adobe Acrobat format.
How to hire an Arborist
Ash Tree Identification
Emerald Ash Borer diagnostic check off list
Signs and Symptoms for the Emerald Ash Borer
Questions and Answers on quarantine