''Rectiostoma chrysabasis'' is a

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

in the family

Depressariidae Depressariidae is a family of moths. It was formerly treated as a subfamily of Gelechiidae, but is now recognised as a separate family, comprising about 2,300 species worldwide. Subfamilies Depressariidae consists of ten subfamilies: * Acriinae ...

. It was described by W. Donald Duckworth in 1971. It is found in Santa Catarina,

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the opposite wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingsp ...

is about 16 mm. The forewings are concolorous with the thorax and tegulae basally, extending to the midpoint. The distal margin is irregularly concave bordered by a broad, transverse band of iridescent blue violet. The apical portion of the forewing is dark brown, irregularly patterned with iridescent blue violet. The hindwings are dark brown apically and white basally.Neotropical Microlepidoptera XX: Revision of the Genus Setiostoma (Lepidoptera: Stenomidae)

References

Moths described in 1971 Rectiostoma {{Depressariidae-stub