Lycaena dospassosi
Lycaena dospassosi, the maritime copper, is a butterfly of the family Lycaenidae. It is found in eastern Canada. The wingspan is 25–31 mm. Adults are on wing from July to mid-August. The larvae feed on Potentilla egedii. Taxonomy
It is often treated as a subspecies of Lycaena dorcas. References

Lycaena
Endemic fauna of Canada
Butterflies described in 1940