Abstract
The subgenus Pezocrosita Jacobson, 1901, genus Chrysolina Motschulsky, 1860, currently includes 38 species, being divided into 7 species-groups. Among them, the Chrysolina (sahlbergiana) group remains the least studied, although it comprises the type species of the subgenus. The latter, Chrysolina sahlbergiana (Jacobson, 1901a), is shown to encompass 2 subspecies: Ch. sahlbergiana sahlbergiana and Ch. sahlbergiana jacobsoni (Lopatin, 1970). An amended description of Chrysolina hyperboreica Mikhailov, 2002, a local species endemic to the northern Ural Mountains within Sverdlovsk Province and previously known only from the male holotype, is given based on new material. A new species, Ch. korgonica sp. n., is described from western Altai. A key is given to all the four species of the group. The relict character of the Chrysolina (sahlbergiana) group is discussed based on disjunct distributions of its species and their associations with the former tundra-steppe communities.
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ACKNOWLEDGMENTS
The authors express sincere gratitude to R.Yu. Dudko (Institute of Systematics and Ecology of Animals, Siberian Branch of the Russian Academy of Sciences, Novosibirsk) for the material supplied, to A.G. Moseyko (Zoological Institute, Russian Academy of Sciences, St. Petersburg) for the opportunity of examination of the types and for help in photofixing the specimens, and also to L.N. Medvedev (Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow) and H. Kippenberg (Herzogenaurach, Germany) for the opportunity of examination of their collections.
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The authors declare that they have no conflict of interest. All the applicable international, national, and institutional guidelines for the care and use of animals were followed. All the procedures performed in studies involving animals were in accordance with the ethical standards of the institution or practice at which the studies were conducted.
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Mikhailov, Y.E., Reshetnikov, S.V. A Revision of the Leaf Beetles of the Poorly Known Chrysolina (sahlbergiana) Species-Group in the Subgenus Pezocrosita (Coleoptera, Chrysomelidae). Entmol. Rev. 101, 979–991 (2021). https://doi.org/10.1134/S0013873821070149
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DOI: https://doi.org/10.1134/S0013873821070149