Idaea costaria is listed in the following regions:
Canberra & Southern Tablelands | South Coast | Barwon South West
Maps
ANBG Aranda Bushland Broulee Moruya Nature Observation Area Genoplesium vernale target area Goorooyarroo NR (ACT) Gungaderra Grasslands Hall Horse Paddocks Katarina's garden The Pinnacle WendyM's farm at Freshwater Ck.Places
Ainslie, ACT Freshwater Creek, VIC Hall, ACT Harrison, ACT Higgins, ACT Melba, ACT Moruya, NSW Wanniassa, ACT