| abstract | This study presents a detailed taxonomic review of water mites of the genus Protzia Piersig, 1896 (Acari, Hydryphantidae) found in Russia. In particular, the illustrations and descriptions of six Protzia species are provided: P. buryatica sp. n., P. caucasica (Sokolow, 1927), P. eximia (Protz, 1896), P. primoryensis sp. n., P. rotunda Walter, 1908) and P. uralensis sp. n. |