A new species and three new records of Chloroperlidae (Plecoptera) from northeastern China Author Shi, Wenju 0000-0003-4680-8905 Department of Plant Protection, Henan Engineering Research Center of Biological Pesticide & Fertilizer Development and Synergistic Application, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China. & 791911685 @ qq. com; https: // orcid. org / 0000 - 0003 - 4680 - 8905 791911685@qq.com Author Wang, Hongliang 0000-0002-9758-1328 Department of Plant Protection, Henan Engineering Research Center of Biological Pesticide & Fertilizer Development and Synergistic Application, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China. & wanghlzb @ 163. com; https: // orcid. org / 0000 - 0002 - 9758 - 1328 Author Li, Weihai 0000-0003-2803-4416 Department of Plant Protection, Henan Engineering Research Center of Biological Pesticide & Fertilizer Development and Synergistic Application, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China. & lwh 7969 @ 163. com; https: // orcid. org / 0000 - 0003 - 2803 - 4416 text Zootaxa 2022 2022-02-01 5093 5 584 592 journal article 20854 10.11646/zootaxa.5093.5.7 8b1fb9d8-1e75-4410-8f65-99e0c86dbd9f 1175-5326 5964536 5D8BFDF5-CC02-45C3-97AE-47E53CFC290E Alaskaperla longidentata ( Raušer, 1968 ) ( Figs. 4 , 5d ) Chloroperla longidentata Raušer, 1968: 378 . Triznaka longidentata ( Raušer, 1968 ) : Zwick 1972: 35 ; Zwick 1973: 300 . Alaskaperla longidentata ( Raušer, 1968 ) : Zwick 2007: 67 ; Teslenko 2009: 699; Surenkhorloo 2009: 713 ; Teslenko & Zhiltsova, 2009: 80; Judson & Nelson 2012: 26 . FIGURE 4. Alaskaperla longidentata (male). a. Head and pronotum, dorsal view. b. Terminalia, dorsal view. c. Terminalia, ventral view. d. Terminalia, lateral view. T9: Tergum 9, Ep: Epiproct, S8: Sternum 8. S9, Sternum 9. FIGURE 5. Abdominal, dorsal view (male). a. Suwallia kuandian sp. nov. b. Suwallia asiatica . c. Sweltsa illiesi . d. Alaskaperla longidentata . Material examined . 1 male and 2 females ( CAU ). China , Inner Mongolia Autonomous Region , Genhe City , Mangui Town , 2009.VII.25 , Gang Yao . Diagnosis and remarks. Head is pale without markings or stigmata ( Fig. 4a ). Median abdominal stripe on each tergum ending at posterior margin of tergum 7 ( Fig. 5d ). Tergum 10 medially slightly sclerotized, sternum 9 long, nearly triangular, posterior margin sharp ( Figs. 4b, 4c ). Epiproct is gradually widened toward to apex in dorsal view along its entire length and hook-like with sharp apex in lateral view ( Figs. 4b, 4d ). The genus and species are reported from China for the first time. Distribution. Russia , Altai , Magadanskaya, Amurskaya and Khabarovsk Krai (Teslenko & Zhiltsova, 2009); Mongolia ( DeWalt et al. 2021 ); Inner Mongolia of China .