S. (Chilostetha) eximia Jakovlev, 1886, S. (C.) pirazzolii Obenberger, 1952 and S. (C.) palea Obenberger, 1952 are downgraded to subspecies of S. (C.) canescens Motschulsky, 1860, S. (C.) basalis Morawitz, 1861 and S. (C.) cauta Jakovlev, 1904, respectively. New synonymy is established for the following taxa: S. (Chilostetha) basalis basalis Morawitz, 1861 (= chariessa Obenberger, 1920, aestivalis Obenberger, 1952, arcas Obenberger, 1952, arethusa Obenberger, 1952, carinivertex Obenberger, 1952, chankae Obenberger, 1952, diffusa Obenberger, 1952, elisa Obenberger, 1952, hero Obenberger, 1952, laevigatula Obenberger, 1952, nogaica Obenberger, 1952, permixta Obenberger, 1952, persephone Obenberger, 1952, phoebia Obenberger, 1952, phyllis Obenberger, 1952, sareptana Obenberger, 1952, sublica Obenberger, 1952, urania Obenberger, 1952, vernalis Obenberger, 1952, synn. n.), S. (C.) puberula Jakovlev, 1887 (= rauda Jakovlev, 1908, cataonia Obenberger, 1926, seriatosetosa Obenberger, 1926, inderiensis Obenberger, 1927, synn. n.), S. (C.) cauta cauta Jakovlev, 1904 (= maja Jakovlev, 1908, dryadis Obenberger, 1926, petriceki Obenberger, 1952, damascena Obenberger, 1952, oeneis Obenberger, 1952, synn. n.), S. (C.) cauta palea Obenberger, 1952, stat. n. (= ussuriensis Obenberger, 1952, xantho Obenberger, 1952, synn. n.), S. (C.) jugoslavica Obenberger, 1926 (= verecunda Obenberger, 1952, syn. n.), S. (C.) canescens canescens Motschulsky, 1860 (= divnogorskii Obenberger, 1952, syn. n.), S. (C.) canescens eximia Jakovlev, 1886, stat. n. (= karavajevi Obenberger, 1952, flora Obenberger, 1952, synn. n.), S. (C.) insidiosa Mannerheim, 1852 (= subcylindrica Marseul, 1865, forceps Jakovlev, 1908, erratrix Obenberger, 1920, belenois Obenberger, 1952, improbula Obenberger, 1952, iphis Obenberger, 1952, pseudoforceps Obenberger, 1952, shansiana Obenberger, 1952, zubaci Obenberger, 1952, synn. n.), S. (C.) substriata Krynicki, 1834 (= trebinjensis Obenberger, 1916, syn. n.), S. (C.) laportei Saunders, 1871 (= comita Obenberger, 1952, syn. n.), S. (C.) syriaca Jakovlev, 1908 (= blattnyi Obenberger, 1926, calosoma Obenberger, 1926, synn. n.), S. (C.) popovi Mannerheim, 1852 (= balthasari Obenberger, 1928, syn. n.), S. (C.) vestita Jakovlev, 1887 (= S. (Deudora) jagdievi Alexeev, 1979, syn. n.). Lectotypes are designated for 76 nominal species and 8 infrasubspecific taxa. Taxonomic, nomenclatural, and distributional notes including new records for many species are given.