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Orgyia definita

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Orgyia definita
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Erebidae
Genus: Orgyia
Species:
O. definita
Binomial name
Orgyia definita
Packard, [1865][1]

The definite tussock moth or definite-marked tussock moth (Orgyia definita) is a moth of the family Erebidae found from Minnesota to New Brunswick and south to South Carolina, Mississippi, and Louisiana.[2][1]

The wingspan is about 30 mm for males; females are wingless. Adult males are brown with a darker pattern and some white markings.

The larvae feed on Salix, Quercus, Tilia, Ulmus, Betula, Acer rubrum, and Hamamelis virginiana. They have a yellow head, prothoracic, plate and dorsal glands. The body is covered in whitish hairs and the verrucae (wart-like structures on the body) are pale yellow.

Definite tussock moth (O. definita) larva
Larva in Guelph, Ontario, Canada

References