Synemon is a genus of moths within the family Castniidae. It was described by Edward Doubleday in 1846. The genus contains 24 described and 20 undescribed species. These species are found across mainland Australia and on Kangaroo Island, with the highest diversity in Western Australia. Synemon species can be found in a range of habitats, including woodlands, heathlands and native perennial grasslands. The adults fly during the daytime in warm to hot weather. They have clubbed antennae, and are often mistaken for butterflies.
Athis is a genus of moths within the family Castniidae. It was described by Jacob Hübner in 1819.