1. Baranchikov, Yu.N., “On the Butterflies of the North Urals,” in Proceedings of the Biological Institute, the Siberian Branch of the USSR Academy of Sciences (Novosibirsk, 1980), pp. 218–227 [in Russian].
2. Begon, M., Harper, J.L., and Townsend, C.R., Ecology. Individuals, Populations and Communities (Blackwell Sci. Publ., Oxford, 1986).
3. Bogacheva, I.A., “Factors Limiting the Northward Distribution of Phyllophagous Insects: the Case of the Gray-Veined and Cabbage Whites,” Ekologiya, No. 4, 293–296 (1997).
4. Catalog of Lepidoptera of Russia, Ed, by S.Yu. Sinev (KMK Sci. Press, Moscow, 2008) [in Russian].
5. Chernov, Yu.I., “Arctic Biota: Taxonomic Diversity,” Zool. Zh. 81(12), 1411–1431 (2002) [Entomol. Rev. 82 (Suppl. 1), 1–24 (2002)].