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St. Paul, Minn.

A new foil for the emerald ash borer

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Exposed tree
A section of bark was removed from an ash tree in St. Anthony Park in July of 2009. It was an attempt to draw adult Emerald ash borers, which are attracted by weakened trees.
MPR Photo/Stephanie Hemphill
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Exposed tree
A section of bark was removed from an ash tree in St. Anthony Park in July of 2009. It was an attempt to draw adult Emerald ash borers, which are attracted by weakened trees.
MPR Photo/Stephanie Hemphill