First data on oribatid mites (Acari: Oribatida) of Pay-Khoy ridge (Yugor peninsula)

Data on faunistic composition of oribatid mites of Pay-Khoy ridge is obtained for the first time. Researches were carried out in the northwest part of Yugor peninsula. 32 species from 19 families of oribatid mites are revealed. The analysis of geographical distribution of species was made, data on zoogeographical structure of oribatids fauna is presented. It is established that the fauna of oribatid mites of Pay-Khoy ridge has typically tundra shape. The fauna basis is made by species, characteristic for Northern latitudes of Eurasia, and widespread species. Genus Pyroppia, species Hydrozetes thienemanni, Moritzoppia unicarinata clavigera, Pyroppia lanceolata were found out for the first time in the European sector of tundra zone of Russia.