Mechanitis is a genus of butterflies in the tribe Ithomiini, commonly known as tigerwings. They were named by Johan Christian Fabricius in 1807. They are in the brush-footed butterfly family, Nymphalidae. Members of the genus Mechanitis were named for the machine-like metallic appearance of the chrysalis in certain species such as the Mechanitis polymnia. The chrysalises have a reflective chitin coating with a metallic appearance.

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