''Anellus'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

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 ...

genus 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'') ...

. Its only species, ''Anellus edai'', is known from

Ishigaki Island , also known as ''Ishigakijima'', is a Japanese island south-west of Okinawa Hontō and the second-largest island of the Yaeyama Island group, behind Iriomote Island. It is located approximately south-west of Okinawa Hontō. It is within the ...

, which is southwest of Japan. Both the genus and the species were first described by Michael Fibiger in 2008. Adults have been found in March and August. There are probably several generations per year. 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 7–9 mm. The forewing is short and broad, with a bright, ovoid, yellow reniform stigma. The crosslines are all present. The antemedial, postmedial and terminal lines are prominent, black and slightly waved. The terminal line is marked by tight black interveinal spots. The hindwing is blackish brown, without a discal spot. The underside of the upper forewing is part brownish and otherwise light brown, without a pattern. The underside of the hindwing is greyish brown, with a discal spot and a postmedian line.

References

* Micronoctuini Noctuoidea genera Monotypic moth genera {{Micronoctuini-stub