''Rectiostoma xuthobasis'' 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

Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...

. 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 18–19 mm. The forewings are yellow suffused with darker yellow scales basally, concolorous and continuous with the thorax and tegulae. There are a few light brown scales in the anal area. The distal margin of the yellow area is bordered by a dark brown line immediately paralleled by a broad, transverse band of iridescent blue violet. The apical half of the forewing is dark brown suffused with iridescent copper scales irregularly patterned with iridescent blue-violet scales. The hindwings are dark brown with a white patch on the anterior margin and white and brown

hair-pencil Hair-pencils and coremata are pheromone signaling structures present in lepidopteran males. Males use hair-pencils in courtship behaviors with females. The pheromones they excrete serve as both aphrodisiacs and tranquilizers to females as well as ...

s in the anal area.Neotropical Microlepidoptera XX: Revision of the Genus Setiostoma (Lepidoptera: Stenomidae)

References

Moths described in 1971 Rectiostoma {{Depressariidae-stub