Review of the Darkling Beetle Genus Microdera Eschscholtz, 1831 (Coleoptera, Tenebrionidae, Tentyriini) from the Caucasus and the Plain Parts of European Russia

Abstract New data on the distribution, taxonomy, and nomenclature of five tenebrionid species of the genus Microdera from the Caucasus and/or the south of the European part of Russia are presented. A new species, M. urartu sp. n., is described from Armenia and the Nakhchivan Autonomous Republic of Azerbaijan; this species is similar to the Central Asian M. globulicollis Ménétriés, 1849, but its diagnostic characters are provided. Eight new synonyms are established (including two for the latter Central Asian species): Microdera convexa convexa (Tauscher, 1812) = M. transversicollis v. parvicollis Reitter, 1897 (nec M. parvicollis Bates, 1879), syn. n. = M. reitteri Kaszab, 1966, syn. n.; Microdera campestris Steven, 1828 = M. gracilis Eschscholtz, 1831, syn. n. = Rostrax menetriesii Fischer von Waldheim, 1844, syn. n. = M. macrops Reitter, 1915, syn. n. = M. campestris karanogaica Abdurakhmanov et Nabozhenko, 2011, syn. n.; Microdera globulicollis Ménétriés, 1849 = M. margelanica Kraatz, 1982, syn. n. = M. ferganensis Kaszab, 1957, syn. n. Lectotypes of Microdera gracilis and M. globulicollis are designated. A key to the Microdera species from the study region is given.

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