Free-living predatory cheyletid mites (Acariformes: Cheyletidae) from Cat Tien National Park, Vietnam Author Khaustov, Alexander A. 0000-0002-0306-112X University of Tyumen, Tyumen, 6 Volodarskogo Str., 625003 Russia Author Salavatulin, Vladimir M. 0000-0003-2928-5727 University of Tyumen, Tyumen, 6 Volodarskogo Str., 625003 Russia v.salavatulin@gmail.com Author Tsurikov, Sergey M. A. N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russia Author Thinh, Nguyen Van Southern Branch of Joint Vietnam-Russia Tropical Scientific and Technological Research Center, Ho Chi Minh City, Vietnam. Author Khaustov, Vladimir A. 0000-0003-2831-7213 University of Tyumen, Tyumen, 6 Volodarskogo Str., 625003 Russia kh4ustov93@yandex.ru text Zootaxa 2024 2024-12-23 5556 1 268 295 https://doi.org/10.11646/zootaxa.5556.1.20 journal article 10.11646/zootaxa.5556.1.20 1175-5326 14595308 0A7A56FC-6171-4048-911F-9FCDADF15674 Cheletomimus ( Hemicheyletia ) chui ( Tseng, 1977 ) Hemicheyletia chui Tseng, 1977: 218 Cheletomimus ( Hemicheyletia ) chui (Tseng) : Fain, Bochkov & Corpuz-Raros, 2002: 39 This species distributed in Southeast Asia. It was recorded from China , Malaysia , and Taiwan ( Beron 2021 ). This is the first record of Ch. chui from Vietnam . Material examined . 2 females , Vietnam , Cat Tien National Park , on Dipterocarpus alatus ; bark on a tree trunk at the height of 1 m ; 11°26′34.64′′ N , 107°26′06.67′′ E ; 20.XI.2022 – 10.XII.2022 , collected by V . M. Salavatulin .