| Taxon | Synemon gratiosa |
|---|---|
| Authority | Westwood, 1877[1] |
Synemon gratiosa, the graceful sun-moth, is a moth in the Castniidae family. It is found in Western Australia,[2] from Namburg National Park in the north to Mandurah in the south.
Adults are on wing in autumn. There is one generation per year.
The larvae feed on Lomandra maritima and Lomandra hermaphrodita.