Tawny Emperor vs Columbia Silk Moth

Side-by-side species comparison

Attribute Tawny Emperor Columbia Silk Moth
Scientific Name Asterocampa clyton Hyalophora columbia
Order Lepidoptera Lepidoptera
Family Nymphalidae Saturniidae
Size 40-65 mm wingspan 90-130 mm wingspan
Habitat Rivers & Streams Farmland
Diet Dung Feeders Omnivores
Regions Eastern and Central North America Northern United States and Canada, particularly the Great Lakes region
Conservation Least Concern Least Concern

Tawny Emperor

A warm tawny-brown butterfly with dark bars and a row of small eyespots on the hindwing. Unlike most butterflies, it rarely visits flowers, preferring tree sap and rotting fruit.

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Did You Know?

It is strongly attracted to human perspiration and will readily land on sweaty hikers.

Columbia Silk Moth

A large reddish-brown silk moth closely related to the cecropia moth but found in northern bog habitats. Its cocoon is spun on larch branches rather than broad-leaved trees.

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Did You Know?

It is one of the few silk moths adapted to boreal wetlands, where its larvae specialize on conifer needles instead of hardwood leaves.