''Brevis crassiductus'' is the only species in the monotypic

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 ...

genus ''Brevis'' of the family

Erebidae The Erebidae are a family (biology), family of moths in the superfamily Noctuoidea. The family is among the largest families of moths by species count and contains a wide variety of well-known macromoth groups. The family includes the underwin ...

. It is known from the mountains of south-central

Sri Lanka Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...

. Both the genus and the species were first described by Michael Fibiger in 2008. Adults have been found in October. The wingspan is about 9 mm.

References

* Micronoctuini Noctuoidea genera Moths described in 2008 {{Micronoctuini-stub