Lycaena salustius, the common copper or the coastal copper,[1] [2] is a butterfly of the family Lycaenidae. It is endemic to New Zealand. It is known in the Māori language as Maori: pepe para riki, a name that is shared with a few other members of the genus Lycaena native to New Zealand.
The wingspan is 24–35 mm. Adults are on wing from October to April.
The larvae feed on Muehlenbeckia species.