Swamp Metalmark vs Golden Emperor

Side-by-side species comparison

Attribute Swamp Metalmark Golden Emperor
Scientific Name Calephelis mutica Loepa megacore
Order Lepidoptera Lepidoptera
Family Riodinidae Saturniidae
Size 22-28 mm wingspan Wingspan 90-120mm
Habitat Wetlands Mountains
Diet Omnivores Herbivores
Regions Upper Midwest United States, Great Lakes region Asia
Conservation Near Threatened; extremely local Least Concern

Swamp Metalmark

A rare and localized metalmark butterfly of midwestern wetlands with warm rusty-brown wings marked with fine metallic lines. It has very specific habitat requirements.

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Did You Know?

Some populations consist of fewer than 50 individuals, making it one of North America's most vulnerable butterflies.

Golden Emperor

A bright golden-yellow silk moth with maroon eyespots ringed in black on each wing. It has a fluffy golden body and feathery antennae.

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Did You Know?

Its intense golden color is among the brightest of any moth and is visible even in dim forest light at dusk.