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The butterflies (Hesperioidea and Papilionoidea, Lepidoptera) of East Europe.

    This work is the complete survey and identification guide to 319 species (378 taxa are considered in details, including subspecies) of butterflies, occurring in Norway (Finnmark Province), Finland, Estonia, Latvia, Lithuania, Romania, Slovakia, Hungary, Belarus, Poland, Ukraine, Moldavia, European Russia (including all North Caucasus administrative units), and Western Kazakhstan (Ural and Atyrau Regions). The work includes additionally the list of 13 species possibly published erroneously for this area in old literature sources, belonged to the end of 19th - beginning of the 20th century. Based on our research we consider the inhabitation of these species on the study area does not confirmed by the available museum and new factual materials.

The genus Cryptocephalus (Chrysomelidae) of Palearctic region.

    The database includes a complete review and key (to the subspecies rank) of all Palearctic species (398) of one of the largest genera of the leaf-beetles (family Chrysomelidae). Complete taxonomic information includes date about all described subspecies and all synonyms. The key is illustrated by 918 figures and schemes.