Trimenia wykehami, the Wykeham's silver-spotted copper, is a butterfly of the family Lycaenidae. It is found in South Africa, where it is found from Beaufort West to the Roggeveld escarpment in the Western Cape.
The wingspan is 24âÂÂ32 mm for males and 27âÂÂ39 mm females. Adults are on wing from November to December. There is one generation per year.