Two new species of idoteid isopods (Crustacea, Isopoda, Idoteidae) from Korea Author Kim, Sung Hoon Department of Biology, College of Natural Sciences, Chosun University, Gwangju 61452, Korea. & ksungh 13 @ gmail. com; http: // orcid. org / 0000 - 0001 - 7271 - 7308 ksungh13@gmail.com Author Jung, Tae Won Research Center for Endangered Species, National Institute of Ecology, Yeongyang, 36531, Korea. Author Yoon, Seong Myeong Department of Biology, College of Natural Sciences, Chosun University, Gwangju 61452, Korea. & smyun @ chosun. ac. kr; http: // orcid. org / 0000 - 0002 - 3246 - 3021 smyun@chosun.ac.kr text Zootaxa 2020 2020-09-30 4858 2 186 200 journal article 8435 10.11646/zootaxa.4858.2.2 f9c3b5b7-1faa-4731-99a0-161d26ca21b2 1175-5326 4411752 07C27007-858B-42C0-B164-3583CEFDC7BB Key to known species of the genus Pentias 1. Pleon with 1 articulating pleonite and 2 partial sutures; pleotelson gradually widening posteriorly............. P. thompsoni - Pleon with 3 partial sutures; pleotelson gradually tapering posteriorly............................................ 2 2. Antenna with 6 flagellar articles.......................................................................... 3 - Antenna with more than 6 flagellar articles................................................................. 4 3. Coxal plates of pereonites 2–7 visible on dorsal side...................................................... P. hayi - Coxal plates of pereonites 2–7 not visible on dorsal side.............................................. P. arimotoi 4. Cephalon with small eye; antenna with 7-articled flagellum; uropodal endopod rounded distally............. P. namikawai - Cephalon with large eye; antenna with 9-articled flagellum; uropodal endopod sinuous distally........................................................................................................ P. pluriarticulatus sp. nov.