Nupponen, K. and Nupponen, T. 1992. <i>Noctua janthina</i> and <i>N. janthe</i> (Lepidoptera, Noctuidae) in Finland. Entomologica Fennica. 3, 1 (Jan. 1992), 9–10. DOI:https://doi.org/10.33338/ef.83563.