The Setaceous Hebrew Character (Xestia c-nigrum) is a moth of the family Noctuidae. It is found in the Palearctic ecozone. It is a common species throughout Europe. It is also found in North America, from coast to coast across Canada and the northern United States to western Alaska. It occurs in the Rocky Mountains from Montana to southern Arizona and New Mexico. In the east it ranges from Maine to North Carolina. It has recently been recorded from Tennessee.

The forewings of this species are reddish brown with distinctive patterning towards the base: a black mark resembling the Hebrew letter Nun (נ) with a pale cream-coloured area adjacent to this mark. The hindwings are cream coloured. The wingspan is 35-45 mm. Two broods are produced each year and the adults are on the wing between May and October.^[1] This moth flies at night and is attracted to light and sugar as well as flowers such as Buddleia, ivy and ragwort.