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Pest Alert Emerald Ash Borer NA-PR-02-04

Emerald ash borer (Agrilus planipennis) is a wood-boring beetle from Asia that was identified in July 2002 as the cause of widespread ash tree (Fraxinus spp.) decline and mortality in southeastern Michigan and adjacent parts of Ontario, Canada. Larval feeding between the bark and sapwood disrupts transport of nutrients and water in a tree, causing dieback of the branches and eventually death of the tree. Tens of millions of ash trees in forest, rural, and urban areas have already been killed, and many more are rapidly declining from this pest.

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McCullough, Deborah G.; Schneeberger, Noel F.; Katovich, Steven A.; Siegert, Nathan W.
Insects and Diseases
Pest Alert Emerald Ash Borer NA-PR-02-04
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