Erikssonia acraeina, the Eriksson's copper, is a species of butterfly in the family Lycaenidae.

[2] Adults are on wing through most of the summer months, having been recorded from October to April, with a peak in activity from January to March.

[citation needed] The type locality of this species is reported as Omrora, Okavango River, Otiembora.

The species inhabits sandy savanna areas and woodlands dominated by Burkea africana, Ochna pulchra, and Protea caffra.

This species is believed to be unpalatable to predators, a trait that is assumed to be associated to the toxic properties of its host plant.