animated map showing mountain pine beetle activity in Washington from 1980 to 2008

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.

Maps advance every 4 seconds. Click on the refresh icon to restart.

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 May 23, 2010.

horizontal rule with trees

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