Morphology and taxonomy of larvae of the genus hydryphantes koch, 1841 (Acari, Hydrachnidia, Hydryphantidae) in Russia

Abstract

This study presents a taxonomic review of water mite larvae of the genus Hydryphantes Koch, 1841 (Hydryphantidae) found in the fauna of Russia during the long-term survey period of 1974–2016. The review includes (re)descriptions and illustrations of 14 Hydryphantes species found in the country: H. clypeatus (Thor, 1899), H. crassipalpis Koenike, 1914, H. dispar (Schaub, 1888), H. hellichi Thon, 1899, H. ildensis Tuzovskij, 2016, H. nonundulatus Thon, 1899, H. octoporus Koenike, 1896, H. placationis Thon, 1899, H. planus Thon, 1899, H. prolongatus Thon, 1899, H. ruber (Geer, 1778), H. ruberoides Tuzovskij, 1990, H. samaricus Tuzovskij, 2014, and H. tenuipalpis Thor, 1899.