Oenochroa have some common small "grey" species with narrow wings. The forewing pattern may be very plain, or have various subtle streaks and dark spots/patches that are sometimes distinctive for a species. The hindwings vary from off-white through yellow and orange to quite dark grey. Artiastis are smaller moths that are very similar superficially, although generally having shorter palpi.
Oenochroa and Artiastis (genera) is listed in the following regions:
Canberra & Southern Tablelands