''Syllepte albirivalis'' 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 ...

in the family

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

. 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 o ...

in 1912. It is found in

Papua New Guinea Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...

. 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 28 mm. The forewings are cupreous brown with an indistinct oblique whitish antemedial line which is slightly defined on the outer side by fuscous. There is a small white spot in the middle of the cell and a discoidal bar defined by fuscous. There is a postmedial white line arising below the costa, its outer edge very slightly waved to vein 5, where it is very slightly bent outwards, at vein 2 bent inwards to below the end of the cell, then slightly excurved. The hindwings are cupreous brown with a slight whitish discoidal lunule defined by fuscous. The postmedial line is white, faintly defined on the inner side by fuscous, very slightly bent outwards at vein 5, at vein 2 bent inwards and almost obsolete to below the end of the cell, then oblique to above the tornus.''Annals and Magazine of Natural History'' (8) 10 (55): 13

References

Moths described in 1912 albirivalis Moths of New Guinea {{Syllepte-stub