maybe Metasia zinckenialis which seems to be quite variable in amount of white spots and white on fringe https://bold-au.hobern.net/specimens.php?taxid=76993 https://inaturalist.ala.org.au/observations?verifiable=true&taxon_id=545404&place_id=6744&preferred_place_id=6744
A great sharp photo of this new species sighting for NatureMapr Canberra and Southern Tablelands region. Another species sighting for this diverse grassland-related genus.