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The wingspan is 30–35 mm. [4] Forewing smooth pale ochreous suffused with brown except along costa; Forewing pale fulvous suffused with darker: lines fine, brown; inner line angled on submedian fold: outer sinuate, nearly parallel to outer margin; orbicular and reniform stigmata pale, indistinct, except lower lobe of reniform, which is marked by a snowwhite spot, and is often surrounded by a grey cloud: hindwing pale rufous, darker towards termen: -suffusa Tutt is a melanic form, without any yellow tint, from North England and W. Ireland.
Larva dull yellow brown; dorsal line white, with dark edges: subdorsal line black; lateral lines white flecked with red, with a broad brown stripe running beneath them and above the black spiracles.[5] See also Hacker et al.[6]
^Seitz, A. Ed., 1914 Die Großschmetterlinge der Erde, Verlag Alfred Kernen, Stuttgart Band 3: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen eulenartigen Nachtfalter, 1914
^Hermann Hacker, László Ronkay & Márton Hreblay: Noctuidae Europaeae vol. 4 Hadeninae I. Entomological Press, Sorø 2002, ISBN 87-89430-07-7