Blue Doctor Butterfly vs Duke of Burgundy

Side-by-side species comparison

Attribute Blue Doctor Butterfly Duke of Burgundy
Scientific Name Rhetus periander Hamearis lucina
Order Lepidoptera Lepidoptera
Family Riodinidae Riodinidae
Size 55-65 mm wingspan 29-34 mm wingspan
Habitat Rivers & Streams Grasslands
Diet Herbivores Herbivores
Regions South America (Brazil, Peru, Colombia, Ecuador, Venezuela, Bolivia) Europe
Conservation Least Concern Least Concern (declining regionally)

Blue Doctor Butterfly

A large metalmark butterfly with brilliant metallic blue upperwings and distinctive red-spotted underwings with long tail streamers. It is one of the largest and most spectacular members of the family Riodinidae. Males are territorial and frequently seen perching on sunlit leaves.

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Did You Know?

Despite being a metalmark butterfly rather than a swallowtail, it has evolved long tail streamers on its hindwings through convergent evolution.

Duke of Burgundy

A small, chequered brown and orange butterfly and Europe's only member of the metalmark family. It has declined significantly due to habitat loss.

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Did You Know?

Despite its common name suggesting a fritillary, it belongs to an entirely different family.