''Mythimna infrargyrea'' is a species of

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

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family (biology), family of moths. Taxonomically, they are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly ...

that was first described by

Max Saalmüller Max Saalmüller (26 November 1832 in Römhild, Germany – 12 October 1890 in Bockenheim (Frankfurt am Main), Bockenheim) was a Prussian lieutenant colonel and Germany, German entomologist. List of works * Illustrations for ''Der Heerwurm'' ...

in 1891. It is known from Madagascar. This species has a wingspan of 26–28 mm.Saalmüller (1892). ''Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Lepidopteren von Madagaskar'', 17. Band, Pos. No. 583, fig. 158

References

Moths described in 1891 Hadeninae Moths of Madagascar Moths of Africa {{Noctuidae-stub