''Magna'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
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 w ...
s of the family
Erebidae
The Erebidae are a 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 underwings ('' Catocala'') ...
erected by Michael Fibiger in 2008. Its only species, ''Magna myops'', was
first described by
George Hampson in 1907. It is known from the mountains of
Sri Lanka
Sri Lanka (, ; si, ශ්රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...
. Records for other countries are misidentifications.
There are multiple generations per year, with adults recorded year round.
The
wingspan
The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...
is . The ground colour of the thorax and forewing is dark brown. The crosslines are indistinct, except the terminal line, which is marked by black interveinal dots. The hindwing and fringes are whitish. The underside of the upper part of the forewing is brown, while the lower part of the forewing and hindwing are whitish with a brownish discal spot, a weakly marked terminal line and an incomplete postmedial line.
References
*
Micronoctuini
Noctuoidea genera
Monotypic moth genera
Moths described in 1907
{{Micronoctuini-stub