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    Author(s): Steven Katovich; Jim Hanson
    Date: 2001
    Source: United States Department of Agriculture, Forest Service, Northeastern Area, NA-PR-02-01, Information Sheet
    Publication Series: Information Forestry
    PDF: View PDF  (646 B)

    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.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    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

    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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