Title: Forest Tent Caterpillar in the Upper Midwest
Author: Katovich, Steven; Hanson, Jim;
Source: United States Department of Agriculture,
Forest Service, Northeastern Area, NA-PR-02-01, Information Sheet
Publication Series: Information Forestry
Description: The forest tent caterpillar (FTC), Malacosoma disstria, is a native species found throughout hardwood forests of North America. It feeds on the leaves of many trees, but in Michigan, Minnesota and Wisconsin, outbreaks occur in aspen, birch, basswood and oak stands. Sugar maple is a favorite host in Michigan's Lower Peninsula, but is not highly preferred in other parts of the Midwest. Regional outbreaks occur at 5-15 year intervals, each outbreak lasting 2-5 years. At the peak of an outbreak, millions of acres of trees can be stripped of their leaves by mid-summer.
Keywords: NA-PR-02-01, ftc, forest tent caterpillar, midwest caterpillars, forest tent caterpillar outbreak, sugar maple, sugar maple forest tent caterpillar, eastern tent caterpillar, silk trails, large gray fly, Sarcophaga aldrichi, S. aldrichi, forest stands tree mortality, hand removal of egg masses, Bacillus thuringiensis var., aspen, birch, basswood, oak, malacosoma disstria
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Katovich, Steven; Hanson, Jim 2001. Forest Tent Caterpillar in the Upper Midwest. United States Department of Agriculture, Forest Service, Northeastern Area, NA-PR-02-01, Information Sheet
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