Lycaena salustius, the common copper or the coastal copper, is a butterfly of the family Lycaenidae. It is endemic to New Zealand. It is known in the Maori language as 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.

There is no data about harmful of this species. Don't forget to be careful.