VargaZ., RonkayG., NagyJ., and RonkayL., “Contribution to the taxonomy and phylogeny of the genus Polia Ochsenheimer, 1816 (Noctuidae, Noctuinae, Hadenini): species groups and pairs in the Holarctic subgenus Polia s. str.”, Acta Zool. Acad. Sci. Hung., vol. 66, no. 1, pp. 35-67, Mar. 2020.