The Black-bordered Lemon Moth (Marimatha nigrofimbria) is a moth of the Noctuidae family. It is found from Massachusetts westward through northern Ohio to Illinois and Oklahoma and southward to southern Florida and southernmost Texas. The wingspan is 18-22 mm. Adults are on wing from May to September in the northern part of the range and from March to November in the South. The larvae feed on Digitaria ischaemum and Ipomoea sagittata.