James Eli Shiffer, the Star Tribune’s watchdog and data editor, digs into data and documents to uncover the news. Reach him at 612-673-4116, james.shiffer@startribune.com or follow him on Twitter at @jameselishiffer. Tell us what to investigate. Send your story tips to whistleblower@startribune.com.

Watch the emerald ash borer spread through Minnesota

Posted by: James Eli Shiffer Updated: May 16, 2014 - 6:18 PM

First detected in Minnesota in May 2009, the emerald ash borer has spread throughout St. Paul and Minneapolis, as well as counties in southeastern Minnesota. As of mid-April, the Minnesota Department of Agriculture had logged nearly 1,300 infestation sites. Thanks to data provided by the MDA's chief bug hunter, Mark Abrahamson, my colleague Alejandra Matos pulled together this map to show the pest's mounting toll on our forests.

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