Hæggström, C.-A. (2019). The Hawthorn Moth Scythropia crataegella (Lepidoptera: Yponomeutidae) in Mariehamn, Åland Islands, in 2010–2018. Memoranda Societatis Pro Fauna Et Flora Fennica, 95, 113–121. Retrieved from https://journal.fi/msff/article/view/88154