''Duplex aarviki'' 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 w ...

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'') ...

first described by Michael Fibiger in 2008. It is known from north and north-west

Sumatra Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...

, southern

West Malaysia Peninsular Malaysia ( ms, Semenanjung Malaysia; Jawi: سمننجڠ مليسيا), or the States of Malaya ( ms, Negeri-negeri Tanah Melayu; Jawi: نڬري-نڬري تانه ملايو), also known as West Malaysia or the Malaysian Peninsula, ...

and south-western

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

. Adults have been found in February, June and July, suggesting multiple generations per year. The habitat consists of lowland forests. 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 7.5-9.5 mm. The forewing is relatively narrow, with a bright, ovoid, yellow reniform stigma. All crosslines are present and black. The antemedial line is prominent, sharply angled subcostally, then slightly curving. The postmedial and subterminal lines are also prominent and slightly waved. The terminal line is marked by tight black interveinal spots. The hindwing is dark grey, without a discal spot. The underside of the forewing is dark grey and the underside of the hindwing is light grey, with a discal spot.

References

* Micronoctuini Taxa named by Michael Fibiger Moths described in 2008 {{Micronoctuini-stub