''Synemon nupta'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of ...

in the

Castniidae Castniidae, or castniid moths, is a small family of moths with fewer than 200 species: The majority are Neotropical with some in Australia and a few in south-east Asia. These are medium-sized to very large moths, usually with drab, cryptically ...

family. It is found in Australia, including

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to ...

. The head and body are brown, the abdomen with some reddish suffusions. The forewings are brown and densely suffused with greyish white in some parts, leaving places not suffused and thus forming a medial band deeply elbowed outwardly in its centre. The hindwings are bright deep black, bright crimson in the centre, enclosing a short discal black band which runs into the black outer margin before the middle, leaving a crimson sub-apical discal spot. The underside of both wings is black, on the forewings suffused with crimson on the basal half of the costal space.Catalogue of eastern and Australian Lepidoptera Heterocera in the collection of the Oxford University Museum

References

Moths described in 1877 Castniidae {{Castniidae-stub