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Saturday, July 25, 2020 | History

2 edition of Initial releases of Chrysocharis laricinellae and Dicladocerus westwoodii for biological control of the larch casebearer in the Western United States found in the catalog.

Initial releases of Chrysocharis laricinellae and Dicladocerus westwoodii for biological control of the larch casebearer in the Western United States

Roger B. Ryan

Initial releases of Chrysocharis laricinellae and Dicladocerus westwoodii for biological control of the larch casebearer in the Western United States

by Roger B. Ryan

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  • 24 Currently reading

Published by U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station in Portland, Or .
Written in English

    Subjects:
  • Larch casebearer -- Biological control -- West (U.S.),
  • Larches -- Diseases and pests -- West (U.S.)

  • Edition Notes

    Statementby R.B. Ryan and R.E. Denton.
    SeriesUSDA Forest Service research note PNW -- 200.
    ContributionsDenton, Robert E., Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    The Physical Object
    Pagination4 p. ;
    ID Numbers
    Open LibraryOL17725116M


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Initial releases of Chrysocharis laricinellae and Dicladocerus westwoodii for biological control of the larch casebearer in the Western United States by Roger B. Ryan Download PDF EPUB FB2