Distribution, habitats, and redescription of the rare mite species Iphidonopsis sculptus Gwiazdowicz, 2004 (Mesostigmata: Ascidae) Author Makarova, Olga L. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow 119071, Russia Author Marchenko, Irina I. 0000-0002-9991-9804 Institute of Systematics and Ecology of Animals, Russian Academy of Sciences, Siberian Branch, Frunze str. 11, Novosibirsk 630091, Russia. gamasina @ rambler. ru; https: // orcid. org / 0000 - 0002 - 9991 - 9804 gamasina@rambler.ru Author Lindquist, Evert E. 0000-0003-4528-7642 Canadian National Collection of Insects, Arachnids and Nematodes, Ottawa Research and Development Center, Agriculture & Agri- Food Canada, Ottawa, Canada. lindquistm @ primus. ca; https: // orcid. org / 0000 - 0003 - 4528 - 7642 lindquistm@primus.ca text Zootaxa 2021 2021-04-12 4952 3 448 464 journal article 7280 10.11646/zootaxa.4952.3.2 2838ffe2-1307-428b-8f0c-15a9da30d27e 1175-5326 4690531 FDBB59EE-CA93-4D6B-8E70-554A36D6D01B Maxiniini tribe n. Type genus : Maxinia Lindquist & Makarova, 2012 . Diagnosis. Adult dorsal shield entire, robust, broad, without lateral incisions. Idiosomal setae simple. Female with sternal shield consolidated with endopodal sclerites between coxae I–II, and with free endopodal fragments between coxae II–III and free strongly developed strips between coxae III–IV; male sternitigenital shield fused with all endopodal sclerites beside coxae II–IV. Female with an apomorphically expansive ventrianal shield encompassing metapodal platelets anterolaterally and including setae JV 1 anteriorly. Male with sternitigenital shield abutting an expansive ventrianal shield that incorporates metapodal platelets. Peritreme slightly shortened, its margins smooth. Subcapitulum with narrow deutosternal groove; hypostomatic setae hp -1 and hp -3 not elongated and whip-like. Palp trochanter setae similar in size. Genu III with only seven setae (lacking pv -1). Male spermatodactyl short, tube-like. Tarsus I with claws. None of setae on tarsi II to IV conspicuously differentiated by shape or size. Genera included: Maxinia .