anglewing

insect

Also known as: Polygonia interrogationis

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Last updated

June 18, 2026

Quick Summary

An anglewing is a type of butterfly characterized by the notched or angular outer edge of its forewings. These butterflies belong to several genera, including Polygonia, Nymphalis, and Anaea. The term "anglewing" was first used in 1868 and is derived from the words "angle" and "wing".1

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brush-footed butterfly
Adult anglewings show seasonal dimorphism, with the autumnal generation being hairy and lighter-coloured. Some also exhibit sexual dimorphism, with the female being less conspicuous than the male. Most species have a silvery spot on the undersurface of each hindwing. The spiny larvae feed on elm and…
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Adult anglewings show seasonal dimorphism, with the autumnal generation being hairy and lighter-coloured. Some also exhibit sexual dimorphism, with the female being less conspicuous than the male. Most species have a silvery spot on the undersurface of each hindwing. The spiny larvae feed on elm and…
Read More