''Ascalenia exodroma'' 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 family

Cosmopterigidae The Cosmopterigidae are a family of insects (cosmet moths) in the order Lepidoptera. These are small moths with narrow wings whose tiny larvae feed internally on the leaves, seeds and stems of their host plants. About 1500 species are described ...

. It was described by

Edward Meyrick Edward Meyrick (25 November 1854, in Ramsbury – 31 March 1938, at Thornhanger, Marlborough) was an English schoolmaster and amateur entomologist. He was an expert on microlepidoptera and some consider him one of the founders of modern m ...

in 1897. It is found in Australia, where it has been recorded from

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...

. This species feeds on spun leaflets of ''

Acacia decurrens ''Acacia decurrens'', commonly known as black wattle or early green wattle, is a perennial tree or shrub native to eastern New South Wales, including Sydney, the Greater Blue Mountains Area, the Hunter Region, and south west to the Australian Ca ...

''. The adults have a wingspan of .Meyrick, 1897. Descriptions of Australian Micro-Lepidoptera. XVII. Elachistidae ''Proceedings of the Linnean Society of New South Wales''. 22 (2): 356–357.
/ref>

References

Moths described in 1897 Ascalenia Moths of Australia {{Chrysopeleiinae-stub