True Armyworm Moth vs Royal Walnut Moth

Side-by-side species comparison

Attribute True Armyworm Moth Royal Walnut Moth
Scientific Name Mythimna unipuncta Citheronia sepulcralis
Order Lepidoptera Lepidoptera
Family Noctuidae Saturniidae
Size 35-45 mm wingspan 75-100 mm
Habitat Farmland Forests
Diet Omnivores Omnivores
Regions North America, South America, Europe, Africa, Oceania Southeastern United States
Conservation Least Concern Least Concern

True Armyworm Moth

A tawny-brown moth with a single white dot on each forewing. Its larvae march in armies across fields, devastating cereal crops.

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Did You Know?

Larvae travel in large groups across the ground like a marching army, hence the common name.

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.