Promethea Moth vs Uncompahgre Fritillary Butterfly

Side-by-side species comparison

Attribute Promethea Moth Uncompahgre Fritillary Butterfly
Scientific Name Callosamia promethea Boloria acrocnema
Order Lepidoptera Lepidoptera
Family Saturniidae Nymphalidae
Size Wingspan 75-95mm 3-4 cm wingspan
Habitat Woodlands Mountains
Diet Herbivores Herbivores
Regions North America United States
Conservation Least Concern Endangered

Promethea Moth

A large silk moth with strong sexual dimorphism. Males are dark with tan margins while females are reddish-brown with lighter markings.

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Did You Know?

Males fly during the afternoon which is unusual for silk moths and they are sometimes mistaken for dark-colored swallowtail butterflies.

Uncompahgre Fritillary Butterfly

A small alpine butterfly found only above 3900 m in the San Juan Mountains of Colorado. It was not discovered until 1978.

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Did You Know?

Climate change is pushing its alpine habitat ever higher, leaving it with nowhere to go.