Showing 1 - 19 results of 19 for search 'Beckwith, R. C', query time: 0.63s Refine Results
  1. 1
    Larval instars of the Douglas-fir tussock moth /
    by Beckwith, R. C, Beckwith, R. C
    Published 1978

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
  2. 2
    Instar development of the Douglas-fir tussock moth in relation to field temperatures /
    by Beckwith, R. C
    Published 1993

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
  3. 3
    Bark beetle response to clearcut and shelterwood systems in interior Alaska after whole tree logging /
    by Beckwith, R. C
    Published 1977

    Government Document Book
  4. 4
    Douglas-fir tussock moth handbook : larval instars of the Douglas-fir tussock moth /
    by Beckwith, R. C
    Published 1978

    Government Document Book
  5. 5
    The large aspen tortrix /
    by Beckwith, R. C
    Published 1973

    Government Document Book
  6. 6
    How to determine the number of Douglas-fir tussock moth eggs from egg mass weight /
    by Beckwith, R. C
    Published 1982

    Government Document Book
  7. 7
    Spring larval dispersal of the western spruce budworm Lepidoptera-Tortricidae in north-central Washington /
    by Beckwith, R. C
    Published 1982

    Government Document Book
  8. 8
    Development of western spruce budworm on Douglas-fir callus tissue /
    by Beckwith, R. C
    Published 1991

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
  9. 9
    Key to adult bark beetles commonly associated with white spruce stands in Interior Alaska /
    by Beckwith, R. C
    Published 1972

    Government Document Book
  10. 10
    The large aspen tortrix, Choristoneura conflictana (Wlkr.), in interior Alaska /
    by Beckwith, R. C
    Published 1968

    Government Document Book
  11. 11
    How to determine the number of Douglas-fir tussock moth eggs from egg mass weight /
    by Beckwith, R. C
    Published 1982

    Book
  12. 12
    Douglas-fir tussock moth handbook : larval instars of the Douglas-fir tussock moth /
    by Beckwith, R. C
    Published 1978

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
  13. 13
    The spruce beetle /

    Government Document Book
  14. 14
    Bark beetle response to clearcut and shelterwood systems in interior Alaska after whole tree logging /

    Government Document Book
  15. 15
    The spruce beetle /
    by Schmid, John Michael
    Published 1975
    Other Authors: “...Beckwith, R. C...”

    Government Document Book
  16. 16
    Sampling Western Spruce Budworm larvae by frequency of occurrence on lower crown branches /
    by Mason, Richard R
    Published 1990
    Other Authors: “...Beckwith, R. C...”

    Government Document Book
  17. 17
    Sampling Western Spruce Budworm larvae by frequency of occurrence on lower crown branches /
    by Mason, Richard R
    Published 1990
    Other Authors: “...Beckwith, R. C...”

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
  18. 18
    New lepidoptera records for the Blue Mountains of eastern Oregon
    by Grimble, David G
    Published 1993
    Other Authors: “...Beckwith, R. C...”

    Government Document Book
  19. 19
    New lepidoptera records for the Blue Mountains of eastern Oregon /
    by Grimble, David G
    Published 1993
    Other Authors: “...Beckwith, R. C...”

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
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