Skalski, Andrzej W. 2002. “Disappearing and Endangered Butterfly Species Ropalocera (Papilionoidea + Hesperioidea) of the Central Part of Poland”. Acta Universitatis Lodziensis. Folia Biologica Et Oecologica 1 (January):169-82. https://doi.org/10.18778/1730-2366.01.11.