animated map showing mountain pine beetle activity in OR and WA from 1980 to 2004

Tree Mortality
caused by
Mountain Pine Beetle

Please Note: Shaded areas show locations where trees were killed. Intensity of damage is variable and not all trees in shaded areas are dead. For more site-specific information, download arcgis files.

Source: Annual aerial insect and disease surveys flown by USDA Forest Service, Oregon Department of Forestry, and Washington Department of Natural Resources.



color of host type on map at left = Host Type: Pinus spp.

Source: 250m forest type map developed by USDA Forest Service - Remote Sensing Application Center.


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This webpage was last updated on January 11, 2005.

horizontal rule with trees

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