Mountain Fritillary vs Swallow Prominent

Side-by-side species comparison

Attribute Mountain Fritillary Swallow Prominent
Scientific Name Boloria napaea Pheosia tremula
Order Lepidoptera Lepidoptera
Family Nymphalidae Notodontidae
Size 30-38 mm wingspan Wingspan 44-60mm
Habitat Meadows Underground
Diet Nectar Feeders Herbivores
Regions Alps, Scandinavia, Rocky Mountains Europe, Asia
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.

Swallow Prominent

A pale grey-white moth with a distinctive dark wedge-shaped mark along the inner edge of each forewing. It has a deeply toothed trailing wing edge.

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Did You Know?

Its name comes from the deeply notched trailing edge of the hindwings which gives them a swallow-tail like appearance.