Polyhymno eurydoxa is a moth of the Gelechiidae family. It was described by Meyrick in 1909. It is found in Namibia, South Africa (Limpopo, Mpumalanga, Gauteng, Orange Free State) and Zimbabwe. The wingspan is about 13 mm. The forewings are dark fuscous with a broad shining white stripe covering the median third from the base to near the termen, sharply defined above, beneath suffused into a pale yellow-brownish stripe which covers the dorsal third along the extreme edge. There is a fine suffused whitish-ochreous streak along the costa from one-fourth to two-thirds, sending a branch from the middle to above the apex of the median stripe. There is an oblique dark fuscous line splitting the apex of the median stripe and there are five white wedge-shaped marks on the posterior third of the co