The non-native white satin moth has eaten its way through 200 acres of aspen and cottonwood leaves in Lake Tahoe Nevada State Park this summer, forcing the Nevada Division of Forestry to issue a “Forest Pest Alert” on Thursday, Aug. 3.

The moth is responsible for 40 to 70 percent canopy loss in the North Canyon and Marlette Lake areas at Lake Tahoe Nevada State Park, according to the Nevada Division of Forestry (NDF). Sightings have also been confirmed in the Carson Valley, Spooner Summit, USA Parkway area, and Paradise Valley.

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