''Syllepte nebulalis'' 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 ...

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

William Schaus William Schaus (January 11, 1858 in New York City – June 20, 1942) was an American entomologist who became known for his major contribution to the knowledge and description of new species of the Neotropical Lepidoptera. Life William Schaus, Jr. ...

in 1920. It is found in

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

. 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 ...

is about 27 mm. The wings are thinly scaled whitish, irrorated with brown forming lines and blotches. The forewings have a dark spot at the base. The subbasal space is mottled and there are two antemedial pale lines defined by fine dark edging. There is also a dark medial point in the cell, a large dark spot on the discocellular and a whitish postmedial line defined by a dark line on the inner edge, and outwardly brown shaded to termen. The terminal space is more darkly shaded along the veins. The hindwings have irrorations forming numerous fine lines. The postmedial line is dark, thick and better defined. The terminal space is as on the forewings.

References

Moths described in 1920 nebulalis Moths of South America {{Syllepte-stub