Forest tent caterpillar numbers increasing | Detroit Lakes Online
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Forest tent caterpillar numbers increasing

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Forest tent caterpillar populations have been rising in some northern and west-central Minnesota counties since 2007, and that trend is expected to intensify, the Minnesota Department of Natural Resources (DNR) said.

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Data suggests forest tent caterpillar populations and the associated defoliation of trees could be building towards a 2014 or 2015 peak.

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