Mountain Fritillary vs Tau Emperor Moth

Side-by-side species comparison

Attribute Mountain Fritillary Tau Emperor Moth
Scientific Name Boloria napaea Aglia tau
Order Lepidoptera Lepidoptera
Family Nymphalidae Saturniidae
Size 30-38 mm wingspan 55-80 mm wingspan
Habitat Meadows Woodlands
Diet Nectar Feeders Herbivores
Regions Alps, Scandinavia, Rocky Mountains Europe
Conservation Least Concern Least Concern

Mountain Fritillary

A small fritillary with rich orange-brown wings marked with black spots. It occurs in damp alpine meadows alongside streams.

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Did You Know?

Males patrol stream corridors searching for freshly emerged females.

Tau Emperor Moth

A day-flying silk moth with a distinctive T-shaped mark on each wing.

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Did You Know?

Males fly rapidly in sunshine while females rest on tree trunks.