Polar Fritillary vs Lesser Yellow Underwing

Side-by-side species comparison

Attribute Polar Fritillary Lesser Yellow Underwing
Scientific Name Boloria polaris Noctua comes
Order Lepidoptera Lepidoptera
Family Nymphalidae Noctuidae
Size 30-38 mm wingspan 40-46 mm wingspan
Habitat Tundra & Arctic Gardens
Diet Nectar Feeders Herbivores
Regions Canadian Arctic, northern Alaska, Greenland, Svalbard, northern Scandinavia, Siberia Europe
Conservation Least Concern Least Concern

Polar Fritillary

A small butterfly with warm orange upperwings marked with dark spots and zigzag lines. The underside has a distinctive pattern of white and reddish-brown patches. It is restricted to true Arctic tundra habitats.

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Did You Know?

This is one of the most northerly butterflies in the world, found within a few hundred kilometers of the North Pole on Ellesmere Island.

Lesser Yellow Underwing

Similar to the Large Yellow Underwing but smaller with more orange-yellow hindwings. Very common in gardens and attracted to light. Larvae feed on many herbaceous plants.

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Did You Know?

Together with its larger relative, forms one of the most abundant moth species partnerships in garden moth traps.