Acarological Society of Iran Persian Journal of Acarology 2251-8169 12 2 2025 12 01 First record of the genus Penthalodes(Acari: Eupodoidea: Penthalodidae) from Russia, withdescription of a new species 161 172 238367 10.22073/pja.v12i2.80042 EN Alexander Khaustov X-BIO Institute, Tyumen State University, Tyumen, 6 Volodarskogo Str., 625003, Russia Sergey Kravchenko X-BIO Institute, Tyumen State University, Tyumen, 6 Volodarskogo Str., 625003, Russia Journal Article <em>Penthalodes caucasicus</em> sp. nov. (Acari: Penthalodidae) is described based on females collected from moss in Western Caucasus, Russia. Some morphological characters in the genus <em>Penthalodes</em> are discussed. The new species differs from closely related <em>P. ovalis</em> and <em>P.</em> <em>polonicus</em> in having three solenidia arranged in a longitudinal row on tarsus I. Acarina Acariformes Caucasus Eupodina SEM microscopy Systematics https://www.persianacarology.org/article_238367_55f359da63cdfbc5c58f185acefb8045.pdf