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U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

Forest and Disease Conditions in Idaho

This report summarizes the results of aerial and ground surveys conducted in 1981 by the Idaho Department of Lands and the USDA-Forest Service, Northern and Intermountain Regions, to detect and monitor forest insect and disease outbreaks or problems in Idaho. Major insect damage on forested lands of all ownerships within the State are outlined on maps and tables in the Appendix of this report. Larch foliage problems were not delineated on the maps this year because these problems were evident throughout the entire range of larch in Idaho. White pine blister rust distribution was also omitted from the maps this year because it does not significantly change from year to year.


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Author(s): USDA Forest Service