Lycaena clarki, the eastern sorrel copper, is a butterfly of the family Lycaenidae.
The butterfly flies year-round, peaking in summer.
[3] Larval food is Rumex lanceolatus.
[3] The larvae vary considerably in colour, ranging from plain green to pinkish red.
However, there is always a white subspiracular stripe and a dorsal line of a darker colour.