USFS Forest Insect and Disease Leaflets:
Forest Health Protection, Pacific Northwest Region
Bureau of Land Management, Soil Arthropods
Agricultural Research Service, Image Gallery
Forest Health Protection, Regions 1-4: Diseases and Insect Pests of Northern and Rocky Mountain Conifers
Washington Dept. of Natural Resources, Forest Health Program
Oregon Dept. of Forestry, Forest Health Management in Oregon
Oregon State University Extension Publications (forestry and wood processing)
For More Forest Health Information
Emmingham, W.H., Oester, P.T., Fitzgerald, S.A., Filip, G.M, and W.D. Edge. 2005. Ecology and Management of Eastern Oregon Forests: A Comprehensive Manual for Forest Managers. Oregon State University Extension Service. Manual 12. 208 p.
Goheen, E.M and E.A. Willhite. 2006. Field Guide to the Common Diseases and Insect Pests of Oregon and Washington Conifers. USDA Forest Service, Pacific Northwest Region. R6-NR-FID-PR-01-06. 325 p.
Shaw, D.C., Oester, P.T., & Filip, G.M. (2009). Managing insects and diseases of Oregon conifers. Oregon State University Extension Service, EM 8980. 98 p.
Wood, D.L., Koerber, T.W., Scharpf, R.F. and A.J. Storer. 2003. Pests of the Native California Conifers. California Natural History Guide Series No. 70. University of California Press. 233 p.