Common Blue Butterfly vs Red Admiral

Side-by-side species comparison

Attribute Common Blue Butterfly Red Admiral
Scientific Name Polyommatus icarus Vanessa atalanta
Order Lepidoptera Lepidoptera
Family Lycaenidae Nymphalidae
Size 28-36 mm wingspan 56-62 mm wingspan
Habitat Grasslands Gardens
Diet Nectar Feeders Fruit Feeders
Regions Europe, North Africa, Asia Europe, North America, North Africa, Asia
Conservation Least Concern Least Concern

Common Blue Butterfly

A small butterfly where males are vivid violet-blue and females are brown with orange spots. It is the most widespread blue butterfly in Europe.

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Did You Know?

Its caterpillars secrete a sweet honeydew that attracts ants, which in turn protect them from predators.

Red Admiral

A bold black butterfly with red-orange bands and white spots, commonly seen in gardens. It is a strong migrant and occasional overwinterer.

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Did You Know?

In autumn it is strongly attracted to fermenting fallen fruit and can become intoxicated on the alcohol.