Aloeides merces, the Wakkerstroom copper, is a species of butterfly in the family Lycaenidae. It is endemic to South Africa, where it is known from sour montane grassveld in KwaZulu-Natal and Mpumalanga.
The wingspan is 24âÂÂ28 mm for males and 26âÂÂ30 mm females. Adults are on wing from October to November. There is one generation per year.