''Pycnarmon sarumalis'' is a

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

Crambidae Crambidae comprises the grass moth family of lepidopterans. They are variable in appearance, with the nominal subfamily Crambinae (grass moths) taking up closely folded postures on grass stems where they are inconspicuous, while other subfamilies ...

. It was described by

William Jacob Holland Rev William Jacob Holland FRSE LLD (August 16, 1848 – December 13, 1932) was the eighth Chancellor of the University of Pittsburgh (1891–1901) and Director of the Carnegie Museums of Pittsburgh. He was an accomplished lepidopterist, zoologist ...

in 1900. It is found in

Buru Buru (formerly spelled Boeroe, Boro, or Bouru) is the third largest island within the Maluku Islands of Indonesia. It lies between the Banda Sea to the south and Seram Sea to the north, west of Ambon Island, Ambon and Seram Island, Seram island ...

, Indonesia. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the opposite wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingsp ...

is about 21 mm. The wings are shining white, crossed by a subbasal transverse brown line. There is a pale linear brown line at the end of the cell, with below it a similar brown line, and just beyond the latter, on the inner margin about its outer third, a well-defined black point. A narrow brown line runs from the costa before the apex toward the inner angle. The hindwings are traversed by an irregularly curved narrow pale brown median transverse line.The Lepidoptera of Buru. Part II. Heterocera

References

Spilomelinae Moths described in 1900 Moths of Indonesia {{Spilomelinae-stub