Nigetia is a monotypic moth genus in the family Erebidae.

Its only species, Nigetia formosalis, the thin-winged algibelle or thin-winged owlet moth, has a scattered distribution in eastern North America from Ontario to Connecticut, south to Florida and Texas.

Larvae have been reared on Protococcus species but probably also feed on lichens.

The genus was previously classified in the subfamily Acontiinae of the family Noctuidae.

This article on a moth of the subfamily Scolecocampinae is a stub.