A NEW WATER MITE SPECIES OF THE GENUS TIPHYS (ACARIFORMES, PIONIDAE)

摘要

A description of the female and male of a new water mite species, Tiphys (Acercopsis) gladiator, is given. The subgenus Acercopsis Viets, 1926 (genus Tiphys Koch, 1836) includes two species: European T. (Acercopsis) pistillifer (Koenike, 1908) and North American T. (Acercopsis) vernalis (Habeeb, 1954). In the fauna of Russia, T. pistillifer is found recently in the Upper Volga region [Tuzovsky, 1996]. Another species of the subgenus Acercopsis was found by the author in Yaroslavskaya Oblast'. A description of this species is given below.