''Pycnarmon aripanalis'' 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

George Hampson Sir George Francis Hampson, 10th Baronet (14 January 1860 – 15 October 1936) was an English entomologist. Hampson studied at Charterhouse School and Exeter College, Oxford. He travelled to India to become a tea-planter in the Nilgiri Hills ...

in 1899. It is found in

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

, where it has been recorded from

Queensland Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...

. 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 22 mm. Adults are white, the forewings with a black spot at the base of the costa and a subbasal series of three spots. The antemedial line is represented by spots on the costa and the inner margin. There is a speck towards the end of the cell and a large discoidal spot. The postmedial line is sinuous and has spots on the costa and inner margin. There is a dentate subterminal line developing into a spot in the middle, as well as a terminal series of points. The hindwings have a black discoidal spot and a sinuous postmedial line, as well as a terminal series of points.''Proceedings of the Zoological Society of London'' 1898: 757, pl. 50, f. 18

References

Spilomelinae Moths described in 1899 Moths of Australia {{Spilomelinae-stub