The Golden Sun Moth is Vulnerbale in the ACT, NSW, Victoria and Australia. Further reference: Atlas of Living Australia
Also of interest: a 5 minute video by David Rees
https://australian.museum/learn/animals/insects/golden-sun-moth-synemon-plana/
Synemon plana is listed in the following regions:
Canberra & Southern Tablelands
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Maps
Ainslie volcanic grassland Bass Gardens Park, Griffith Black Street Grasslands to Stirling Ridge Blue Gum Point to Attunga Bay Budjan Galindji (Franklin Grassland) Reserve City Renewal Authority Area Crace Grasslands Dunlop Grasslands Giralang Wetlands Goorooyarroo NR (ACT) Griffith Woodland Gundaroo Common Gungaderra Grasslands Haig Park Hassett Park, Campbell Hoover Reserve Jarramlee Pond Jarramlee-West MacGregor Grasslands Jerrabomberra Grassland Kinleyside Lake Burley Griffin West Lake Ginninderra Lawson North Grasslands Magpie Hill Park, Lyneham McKellar Wetlands Mcleods Creek Res (Gundaroo) Mount Ainslie Mount Majura Mulanggari Grasslands Mulligans Flat O'Connor Ridge to Gungahlin Grasslands Queanbeyan Nature Reserve Reservoir Hill, Lawson Saint Mark's College & Grassland. Stirling Park Tarengo Reserve (Boorowa) The Fair, Watson Umbagong District Park University of Canberra Wandiyali-Environa Conservation Area West Belconnen Pond Yarramundi GrasslandSurvey points
Yarralumla Grassland (YGW)Places
Barton, ACT Braddon, ACT Canberra, ACT Curtin, ACT Forde, ACT Harrison, ACT Kingston, ACT Lawson, ACT Lyneham, ACT Murrumbateman, NSW Pialligo, ACT Throsby, ACT Yarralumla, ACT