Acarological Society of Iran Persian Journal of Acarology 2251-8169 14 2 2025 12 01 A new genus and two new species of Tarsonemidae (Acari: Heterostigmata) from Chilean Patagonia 317 334 237962 10.22073/pja.v14i2.86917 EN Alexander Khaustov University of Tyumen, Tyumen, Russia 0000-0002-0306-112X Andrei Tolstikov University of Tyumen, Tyumen, Russia Journal Article A new genus and species, <em>Maculanemus </em><em>chilensis</em><strong> gen. nov., sp. nov.</strong> (Acari: Tarsonemidae: Tarsoneminae) and a new species <em>Steneotarsonemus</em> (<em>Neosteneotarsonemus</em>) <em>patagoniensis</em> <strong>sp.</strong> <strong>nov. </strong>are described based on females collected in mosses in Chilean Patagonia. The genus <em>Steneotarsonemus</em> is recorded in Chile for the first time. The taxonomic position of the genus <em>Maculanemus </em><strong>gen. nov. </strong>and unusual character states of new species are discussed. https://www.persianacarology.org/article_237962_581199c2987b60e9ad7fc9e5d881a68d.pdf