The species Fraus extremapodus sp. n. from Western Australia is described, illustrated and compared with the sympatric F. basidispina Nielsen and Kristensen, 1989 and F. polyspila (Meyrick, 1890). With a wingspan of 39 mm it is one of the largest species of Fraus Walker, 1856 and, compared to wing length, it has the longest legs of any Australian hepialid.