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Emerald Ash Borer - Overview/Background

Greater awareness of emerald ash borer will reduce any damage it may cause in the future.

No EAB

Emerald ash borer (EAB) was introduced to the Detroit, Michigan, area in the mid-1990s.  Since then, it has spread outward in an ever-expanding infestation.  EAB is not a strong flier, so long-distance travel has been through people – movement of infested firewood, wood products and nursery stock.  One big lesson that we’ve learned is ‘Don’t Move Firewood’, or ‘Buy it where you burn it’: http://www.dontmovefirewood.org/.  For the latest map showing the current location of EAB, go to: http://www.emeraldashborer.info/files/MultiState_EABpos.pdf

EAB attacks all ash (genus Fraxinus) species that are native to the U.S.  [It does not attack mountain-ash trees, as they are not true ash species, but instead are in the genus Sorbus.]  EAB has a major impact on those communities with a heavy reliance on ash.   In North Dakota, many communities’ urban forests are comprised of more than 50% green ash; in some towns that figure approaches 80%.  The importance of diversification can’t be stressed enough.  For more information on trees that are adapted to North Dakota, see the ND Tree Selector at: http://www.ag.ndsu.edu/tree-selector/

Additional information about EAB is available from the ND Department of Agriculture at: http://www.nd.gov/ndda/pest/emerald-ash-borer-eab.  For more information about tree pests such as Dutch elm disease, gypsy moth, and others, please visit the ND Invasives website at: http://www.ndinvasives.org/

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