The larvae feed on "Rumex acetosella" and "Rumex acetosa". It is sometimes preferred for culinary uses to "Rumex acetosa", garden sorrel. The larvae feed on various species of "Rumex", such as "Rumex acetosa" and "Rumex acetosella". The larvae feed on "Rumex acetosa" and "Rumex acetosella". Sorrel, "Rumex acetosa", is a perennial herb cultivated as a leaf vegetable. The larvae feed on "Rumex acetosa", "Rumex alpestris" and "Rumex acetosella".