Caterpillars are the larvae of butterflies and moths. Most species of butterfly and moth have four caterpillar instars (stages). Caterpillars predominantly feed on vegetable matter and in some species the adult insects do not feed at all.

Brown-tail Moth caterpillar _Euproctis chrysorrhoea_

Brown-tail moth caterpillar (Euproctis chrysorrhoea). The hairs can cause a skin rash.

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