Duplex sumbawensis is a moth

Moth

A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

 of the Micronoctuidae

Micronoctuidae

The Micronoctuidae are a family of moths that includes about 400 described species. The family was first described in 2005.Micronoctua karsholti is the smallest of all species in the Noctuoidea superfamily.-Taxonomic History:...

 family. It is known from Sumbawa

Sumbawa

Sumbawa is an Indonesian island, located in the middle of the Lesser Sunda Islands chain, with Lombok to the west, Flores to the east, and Sumba further to the southeast. It is in the province of West Nusa Tenggara....

.

The wingspan

Wingspan

The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...

is about 8.5 mm. The forewing is greyish brown, although the basal costal area is blackish brown and the medial area dark grey, the upper half darker and the postmedial area is brownish. The reniform stigma is relatively weakly marked. The crosslines are indistinct and dark brown. The terminal line is weakly marked by brown interveinal spots. The hindwing is dark grey, with an indistinct discal spot. The underside of the forewing is light brown and the underside of the hindwing is light grey with a discal spot.