DNR specialists say budworm spike in Cloquet Valley State Forest threatens balsam fir trees

  • Article by: Associated Press
  • Updated: July 8, 2014 - 4:57 PM

DULUTH, Minn. — The Minnesota Department of Natural Resources says a recent surge in the population of budworm is threatening balsam fir trees in the Cloquet Valley State Forest.

DNR Forest Health Specialist Mike Albers estimated more than 15,000 acres of defoliation in the area this year compared to only a couple hundred acres of defoliation last year. He said there will be an increase in balsam fir tree deaths over the next three to four years as a result of these worms as there are millions of worms per acre.

WDIO-TV (http://bit.ly/1naCPPW ) reports the DNR is doing an aerial survey to find out how many trees have been defoliated by the worms. Albers says the outbreak happens every 30 years or so and the forest will recover as it has in the past. The DNR advises private land owners to remove dead trees to decrease the fire hazard.

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