Royal Walnut Moth vs Common Rustic

Side-by-side species comparison

Attribute Royal Walnut Moth Common Rustic
Scientific Name Citheronia sepulcralis Mesapamea secalis
Order Lepidoptera Lepidoptera
Family Saturniidae Noctuidae
Size 75-100 mm 26-34 mm wingspan
Habitat Forests Farmland
Diet Omnivores Herbivores
Regions Southeastern United States Europe
Conservation Least Concern Least Concern

Royal Walnut Moth

A rich brown moth with orange veins and small yellow spots. It is closely related to the regal moth but smaller and darker, found in southeastern pine forests.

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Did You Know?

Citheronia sepulcralis is restricted to the Atlantic and Gulf coastal plains and is far less commonly encountered than its more famous relative, the regal moth.

Common Rustic

A highly variable common moth that forms a species complex with the Lesser Common Rustic. External appearance is unreliable for identification. Larvae feed inside grass stems.

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Did You Know?

So similar to its sibling species that they were not recognized as separate species until 1983.