Pseliastis xanthodisca is a species of moth in the family Heliozelidae, described by Edward Meyrick in 1897. It is endemic to Tasmania, Australia.[1]
The head, antennae, and thorax of the adult moth are bronze in colour and shiny. The legs are a shining dark grey, with the posterior tibiae yellowish. The forewings are a bright, shining bronze and lack any markings. The hindwings are a shiny grey, marked with a ochreous-yellow patch in males and tinged with yellow in females. The abdomen is orange with a series of dark dots in males, while in females the abdomen is a dark bronze colour.