The western tussock moth, Orgyia vetusta, formerly Hemerocampa vetusta, is a moth found in the Pacific States and British Columbia, as well as an isolated population in Boise County, Idaho. The species is dimorphic; the females are flightless. This species has also been seen in gulf coast states such as Louisiana.

harmful

Orgyia vetusta, commonly known as the Douglas-fir tussock moth, is considered a tree pest because its larvae feed on the foliage of various coniferous trees, including Douglas-fir, spruce, and pine, causing defoliation and potentially leading to tree stress or mortality.

tree pest

Orgyia vetusta can be considered garden pests because their larvae have a voracious appetite and can defoliate a wide range of plants, including ornamental trees and shrubs commonly found in gardens, leading to aesthetic damage and potential stress to the plants.

garden pest

Orgyia vetusta can be considered crop pests because their larvae have been known to feed on a variety of crops, including fruit trees and agricultural plants, causing damage to the foliage and potentially reducing crop yield.

crop pest

Orgyia vetusta is considered a pest because its larvae feed on the foliage of trees, gardens, and crops, causing defoliation and potential damage to the plants, leading to aesthetic and economic losses.

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Western Tussock Moth

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Western Tussock Moth

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