LEO Network

Homer, Alaska, United States


Inviting Observer Participation


Infested spruce tree (Courtesy of U.S. Forest Service)
Spruce Aphid - U.S. Forest Service
Spruce aphid damage mapped during aerial detection survey since 1987. Years with heavy aphid outbreaks are distinguished by color. Spruce aphids were confirmed on the Kenai Peninsula for the first time in 2015. (Courtesy of U.S. Forest Service)
Spruce aphids feeding on the needles of Sitka spruce. Feeding damage causes the needles to turn yellow, then brown, then fall off. (Courtesy of U.S. Forest Service)

See Also

View on Map