Ocrasa acerasta and O. albidalis are very similar moths. When comparing the two, the description of O. acerasta says the forewing is "entirely devoid of discal spot and transverse line", and the CNM sightings are sorted on that basis.
Ocrasa acerasta is listed in the following regions:
Canberra & Southern Tablelands | South Coast | Barwon South West
Synonyms
Herculia acerasta Hypsopygia acerastaMaps
WendyM's farm at Freshwater Ck.Places
Freshwater Creek, VIC