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Filtering by: Creator Dewey, Jerald E. Subject Douglas fir tussock moth -- Idaho

Douglas-fir tussock moth population surveys, northern Idaho and western Montana, 1983 and 1984

Creator:

Dewey, Jerald E., Livingston, R. Ladd, Kohler, Steve, and United States. Forest Service. Northern Region

Resource Type:

Technical Report
Douglas-fir tussock moth adult male survey north Idaho and western Montana, 1982

Creator:

Dewey, Jerald E., Livingston, R. Ladd, Kohler, Steve, and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management

Abstract:

Douglas-fir tussock moth populations are monitored annually in northern Idaho and western Montana to insure early detection of changes from endemic to outbreak population levels. Adult moth trapping in 1982 was intensified and expanded into additional areas from 1981 because of concern that with each passing year the probability of...

Resource Type:

Technical Report