Orgyia definita

Definite Tussock Moth
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Lymantriidae
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 Lymantriidae family. It is found from Minnesota to New Brunswick and south to South Carolina, Mississippi, and Louisiana.[2][1]

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

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 (Orgyia definita) Larva
Larva in Guelph, Ontario, Canada

References


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