''Lygistus'' is a genus of leaf beetles in the family

Chrysomelidae The insects of the beetle family Chrysomelidae are commonly known as leaf beetles, and include over 37,000 (and probably at least 50,000) species in more than 2,500 genera, making up one of the largest and most commonly encountered of all beetle ...

. There is one described species in ''Lygistus'', ''Lygistus streptophallus''.

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Further reading