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.
Watch the emerald ash borer spread through Minnesota
This animated map was made from data supplied by the Minnesota Department of Agriculture that reveals the relentless advance of the invasive tree-killing beetle.
May 16, 2014 at 11:18PM
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James Shiffer
It’s too soon to tell how much the immigration crackdown is to blame.
