Showing 1 - 14 results of 14 for search 'Campbell, Robert W. (Entomologist)', query time: 0.04s Refine Results
  1. 1
    The gypsy moth and its natural enemies /

    The gypsy moth and its natural enemies / by Campbell, Robert W. (Entomologist)

    Published 1975
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    Government Document Book
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  2. 2
    Population dynamics of the gypsy moth : an annotated bibliography /

    Population dynamics of the gypsy moth : an annotated bibliography / by Campbell, Robert W. (Entomologist)

    Published 1978
    To connect to online version, scroll down to no.48
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  3. 3
    Gypsy moth egg-mass density and subsequent defoliation /

    Gypsy moth egg-mass density and subsequent defoliation / by Campbell, Robert W. (Entomologist)

    Published 1966
    Government Document Book
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  4. 4
    Gypsy moth : forest influence /

    Gypsy moth : forest influence / by Campbell, Robert W. (Entomologist)

    Published 1979
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  5. 5
    Relationships between overstory composition and gypsy moth egg-mass density /

    Relationships between overstory composition and gypsy moth egg-mass density / by Campbell, Robert W. (Entomologist)

    Published 1974
    Government Document Book
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  6. 6
    Population dynamics of the major North American needle-eating budworms

    Population dynamics of the major North American needle-eating budworms by Campbell, Robert W. (Entomologist)

    Published 1993
    Government Document Microfilm Book
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  7. 7
    Douglas-fir tussock moth : an annotated bibliography /

    Douglas-fir tussock moth : an annotated bibliography / by Campbell, Robert W. (Entomologist)

    Published 1978
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  8. 8
    Forecasting gypsy moth egg-mass density /

    Forecasting gypsy moth egg-mass density / by Campbell, Robert W. (Entomologist)

    Published 1973
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  9. 9
    Tree condition and mortality following defoliation by the gypsy moth /

    Tree condition and mortality following defoliation by the gypsy moth / by Campbell, Robert W. (Entomologist), Valentine, Harry T.

    Published 1972
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  10. 10
    Bird exclosures for branches and whole trees /

    Bird exclosures for branches and whole trees /

    Published 1981
    Other Authors: “…Campbell, Robert W. (Entomologist)…”
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  11. 11
    Some effects of predaceous birds and ants on the western spruce budworm on conifer seedlings /

    Some effects of predaceous birds and ants on the western spruce budworm on conifer seedlings /

    Published 1984
    Other Authors: “…Campbell, Robert W. (Entomologist)…”
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  12. 12
    A system for gathering small mammal mortality data /

    A system for gathering small mammal mortality data / by Neely, Robert D.

    Published 1973
    Other Authors: “…Campbell, Robert W. (Entomologist)…”
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  13. 13
    The Douglas-fir tussock moth : a synthesis /

    The Douglas-fir tussock moth : a synthesis /

    Published 1978
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  14. 14
    Forest insect population dynamics ; proceedings.

    Forest insect population dynamics ; proceedings.

    Published 1969
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    Government Document Conference Proceeding Book
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