The marbled minor (Oligia strigilis) is a moth of the family Noctuidae. It is distributed throughout Europe.then East through the Palearctic to Central Asia, and the Altai Mountains. It rises to heights of over 1500 meters in the Alps. This is a rather small species (wingspan 24–29 mm), the forewings usually being dark brown with a pale subterminal band, the hindwings pale brown. Melanic forms are often encountered, especially in industrial areas.