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Emerald Ash Borer

Emerald Ash Borer (EAB), Agrilus planipennis Fairmaire, is an exotic beetle that was discovered in southeastern Michigan near Detroit in the summer of 2002. The adult beetles nibble on ash foliage but cause little damage. The larvae (the immature stage) feed on the inner bark of ash trees, disrupting the tree's ability to transport water and nutrients.

Emerald ash borer probably arrived in the United States on solid wood packing material carried in cargo ships or airplanes originating in its native Asia. Emerald ash borer is also established in Windsor, Ontario, was found in Ohio in 2003, northern Indiana in 2004, northern Illinois and Maryland in 2006, western Pennsylvania and West Virginia in 2007, Wisconsin, Missouri and Virginia in the summer of 2008, Minnesota, New York, Kentucky in the spring of 2009, Iowa in the spring of 2010, Tennessee in the summer of 2010, Connecticut, Kansas, and Massachusetts in the summer of 2012, and New Hampshire in the spring of 2013.

Emerald Ash Borer has:

  • Killed tens of millions of ash trees in southeastern Michigan alone, with tens of millions more lost in Connecticut, Illinois, Indiana, Iowa, Kansas, Kentucky, Massachusetts, Maryland, Minnesota, Missouri, New Hampshire, New York, Ohio, Ontario, Pennsylvania, Tennessee, Quebec, Virginia, West Virginia, and Wisconsin.
  • Caused regulatory agencies and the USDA to enforce quarantines (Michigan, Colorado, Connecticut,  Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland,  Massachusetts, Minnesota, Missouri, Ohio,  New Hampshire,  New York, Ontario, Pennsylvania, Tennessee, Virginia, West Virginia, Wisconsin, and Environment Canada) and fines to prevent potentially infested ash trees, logs or hardwood firewood from moving out of areas where EAB occurs.
  • Cost municipalities, property owners, nursery operators and forest products industries tens of millions of dollars.

RESOURCES:

Emerald Ash Borer, EAB - Pesticide Recomendations Coalition for Urban Ash Tree Conservation - Emerald Ash Borer Management Statement

Coalition for Urban Ash Tree Conservation - Emerald Ash Borer Management Statement  Coalition for Urban Ash Tree Conservation - Emerald Ash Borer Management Statement

Emerald Ash Borer Fact Sheet  Emerald Ash Borer Fact Sheet

USDA Pest Alert - Emerald Ash Borer  Emerald Ash Borer Fact Sheet
Insecticide Options for Protecting Ash Trees from Emerald Ash Borer Insecticide Options for Protecting Ash Trees from Emerald Ash Borer

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