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    Author(s): Alex L. Shigo
    Date: 1962
    Source: Station Paper NE-168. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 13 p.
    Publication Series: Science Perspectives (SP)
    Station: Northeastern Research Station
    PDF: View PDF  (3.12 MB)

    Description

    A scale insect, tentatively identified as Xylococculus betulae (Perg.) Morrison, is responsible for one type of bark roughening that is commonly seen on American beech (Fagus grandifolia Ehrh.) trees in certain areas of New England. The insect has also been found on paper birch (Betula papyrifera Marsh.) and yellow birch (B. allegheniensis Britton).

    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

    Shigo, Alex L. 1962. Another scale insect on beech. Station Paper NE-168. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 13 p.

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