''Rustica septemmeri'' 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

Assam Assam (; ) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers an area of . The state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur ...

in north-eastern India. 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 about 13 mm. The forewing is long, narrow, pointed at apex and yellowish brown suffused with dark brown scales. The reniform stigma is yellow and weakly marked. The costal patch at the upper medial area is well marked and dark brown. The antemedial line is marked and dark brown but otherwise indistinct. The terminal line of the hindwing is weakly defined. There is a discal spot.

References

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