The Wing Atlas
Peacock butterfly

Peacock butterfly

Image: Katara131012 (CC0)

Common NamePeacock butterfly
Scientific NameAglais io
FamilyNymphalidae
SubfamilyNymphalinae
Wingspan (mm)55
Wing Patterneyespot
Primary Colorsred, brown, black, blue, yellow
HabitatGardens, parks, woodlands, meadows, hedgerows
Geographic RangeEurope and temperate Asia
Host PlantsStinging Nettle, Hop
Flight PeriodMarch to May, July to September
Conservation Statusleast-concern
Lifecycle NotesThe caterpillars, like the one pictured, are black and spiny with numerous white dots, feeding gregariously on nettles before pupating. Adults emerge and often overwinter in sheltered locations.
Identification TipsIdentify the adult by its large, distinctive blue and black eyespots on the hindwings, set against a reddish-brown background. The dark, cryptic underside is also characteristic when the butterfly is at rest.

Description

The Peacock butterfly is a striking species with rich reddish-brown wings, each featuring a prominent, iridescent blue and black eyespot. The underside is dark and cryptic, providing camouflage when at rest.

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