Arctic Tiger Moth vs Swamp Metalmark

Side-by-side species comparison

Attribute Arctic Tiger Moth Swamp Metalmark
Scientific Name Grammia quenseli Calephelis mutica
Order Lepidoptera Lepidoptera
Family Erebidae Riodinidae
Size 34-44 mm wingspan 22-28 mm wingspan
Habitat Tundra & Arctic Wetlands
Diet Herbivores Omnivores
Regions Scandinavia, Arctic Russia, Alaska, northern Canada, alpine Europe Upper Midwest United States, Great Lakes region
Conservation Least Concern Near Threatened; extremely local

Arctic Tiger Moth

A striking moth with black and cream striped forewings and orange-red hindwings with black spots. The hairy caterpillar is black with reddish bands. Adults are active during the brief Arctic and alpine summer.

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Did You Know?

The caterpillar's dark coloration allows it to bask in the sun and raise its body temperature well above the ambient Arctic air temperature.

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.