The Minnesota Department of Agriculture will begin treating five sites in Pine, Isanti, and Chisago counties this week to stop the spread of the spongy moth.
The aerial management treatment to fight the destructive tree pest will take several days.
One treatment area includes the city of Hinckley. The others are in rural Pine County, near the Wisconsin border.
The site in Isanti County includes the city of Cambridge. North Branch is included in the Chisago treatment area.
A mating-disruption product will be applied by low-flying planes contracted by the U.S. Forest Service in a joint effort with the MDA.
The MDA says the product is not harmful to humans, animals, birds, or other insects.
Photo via Minnesota Department of Agriculture website
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