Pesky Forest Tent Caterpillars Again Are Munching Leaves on Michigan Trees

Forest tent caterpillars are making a nuisance of themselves across Michigan, eating leaves from sugar maple, aspen and oak trees and leaving small strands of webbing as they go.

The insects, which are native to Michigan, occur in widespread outbreaks every 10 to 15 years. The most recent outbreaks peaked in 2002 and 2010. They’ve been spotted across the Lower Peninsula and in the eastern Upper Peninsula.

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