Western tussock moth

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Western tussock moth
Western Tussock Moth.jpg
Pair of mature caterpillars, early May
Scientific classification edit
Kingdom: Animalia
Phylum: Euarthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Erebidae
Genus: Orgyia
O. vetusta
Binomial name
Orgyia vetusta
Boisduval, 1852

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.

Empty O. vetusta cocoon, the pupal exuvia is clearly visible