BISMARCK — Officials in North Dakota plan to release 100,000 bugs this fall to combat what has become the state’s peskiest plant.
Over time, entomologists believe the stem-mining weevils will help reduce stands of Canada thistle, a prickly elbow-high plant with a purple flower that infests more than a million acres in the state.
By Blake Nicholson, The Associated Press
, August 10, 2009
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