''Udea amitina'' 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

Crambidae Crambidae comprises the grass moth family of lepidopterans. They are variable in appearance, with the nominal subfamily Crambinae (grass moths) taking up closely folded postures on grass stems where they are inconspicuous, while other subfamilies ...

. It was described by

Arthur Gardiner Butler Arthur Gardiner Butler F.L.S., F.Z.S. (27 June 1844 – 28 May 1925) was an English entomologist, arachnologist and ornithologist. He worked at the British Museum on the taxonomy of birds, insects, and spiders. Biography Arthur Gardiner B ...

in 1883. It is found in

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

. 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 22 mm. Adults are similar to ''

Udea fulvalis ''Udea fulvalis'' is a species of moth of the family Crambidae. It was first described by Jacob Hübner in 1809. Etymology The species name ''fulvalis'' derives from the Latin ''fulvus'', meaning ''fulvous''. Distribution This species can be fo ...

'', with the same colours, but the lines across the forewings are much more slender and the hindwings are whiter, and consequently there is a more distinct abbreviated grey discal line. The forewings of the females are clouded.

References

Moths described in 1883 amitina Endemic fauna of Chile {{Udea-stub