General Forest Health web references

USFS Forest Insect and Disease Leaflets:
http://www.fs.fed.us/r6/nr/fid/wo-fidls/fidls-insects.shtml

Forest Health Protection, Pacific Northwest Region
http://www.fs.fed.us/r6/nr/fid/index.shtml

Bureau of Land Management, Soil Arthropods
http://www.blm.gov/nstc/soil/arthropods/

Agricultural Research Service, Image Gallery
http://www.ars.usda.gov/is/graphics/photos/

Forest Health Protection, Regions 1-4: Diseases and Insect Pests of Northern and Rocky Mountain Conifers
http://www.fs.fed.us/r1-r4/spf/fhp/field_guide/toc.htm

Washington Dept. of Natural Resources, Forest Health Program
http://www.dnr.wa.gov/ResearchScience/Topics/ForestHealthEcology/Pages/rp_foresthealth.aspx

Oregon Dept. of Forestry, Forest Health Management in Oregon
http://www.oregon.gov/ODF/PRIVATE_FORESTS/fh.shtml

Oregon State University Extension Publications (forestry and wood processing)
http://extension.oregonstate.edu/catalog/results.php?cat=Forestry+%26+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.