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Creator:: Oregon State University. Extension Service and Sander, Gary H.
Abstract:: Published April 1969. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: are delicate, orange, two-winged flies about one-eighth inch long; females are stout and Doi4las-fir

Creator:: Hooven, Edward F. (Edward Frank) and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: important problem faced by forest managers in the Douglas-fir forests of western Oregon. The forest manager

Creator:: Lawson, Thomas T., Berg, Alan B., Hansen, Everett M., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: , Oregon State University, Corvallis. TABLE 1. NUMBER AND VOLUME OF DOUGLAS-FIR KILLED BY P. WEIRII AND

Creator:: Kegley, Sandy, McConnell, Timothy J., United States. Forest Health Protection, and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: and Tim McConnell • Introduction • This report documents Douglas-fir beetle (DFB), Dendroctonus

Creator:: Randall, Carol, United States. Forest Health Protection, and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: Portion of the Forest: Coeur d'Alene River and Sandpoint Figure 3. Numbers of Douglas-fir-beetle-killed

Creator:: Wood, Lyman Wentsch, 1899- and Forest Products Laboratory (U.S.)
Abstract:: Information reviewed and reaffirmed October 1960.
Resource Type:: Technical Report
Full Text:: PROPER-FEES OF WHITE-POCKET DOUGLAS-FIR *UMBER Information Reviewed and Reaffirmed October 1960 No

Creator:: Chamberlin, W. J. (Willard Joseph), 1890- and Oregon Agricultural College. Experiment Station
Abstract:: Published January 1918. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: entitled "Bark-Beetles Infesting the Douglas Fir," by Mr. Willard Joseph Chamberlin, and recommend that it

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
Full Text:: ./ , and S. Kohler 2/ INTRODUCTION • Douglas-fir tussock moth 4/ populations are monitored annually

Creator:: Tunnock, Scott and Livingston, R. Ladd
Abstract:: An epidemic of Douglas-fir tussock moth was detected in northern Idaho in 1972. In 1973, aerial surveys showed that nearly 100,000 acres contained various degrees of visible defoliation. An egg mass survey of five reporting units made in the fall of 1973 determined potential for damage in 1974. Based on...
Resource Type:: Technical Report
Full Text:: . E., G. C. Trostle, and P. E. Buffam, 1971. Douglas-fir tussock moth. USDA Forest Serv., Forest Pest

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