Anotated Checklist of Chinese Ensifera: The Gryllacrididae Author Bian, Xun Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of & Guangxi Key Laboratory of Rare and Endangered Animal Ecology, Guangxi Normal University, Guilin 541006, China & College of Life Sciences, Hebei University, Baoding, 071002, P. R. China Author Liu, Jing 0000-0002-8477-6572 Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of & Guangxi Key Laboratory of Rare and Endangered Animal Ecology, Guangxi Normal University, Guilin 541006, China & https: // orcid. org / 0000 - 0002 - 8477 - 6572 Author Yang, Zizhong 0000-0002-2143-8226 Yunnan Provincial Key Laboratory of Entomological Biopharmaceutical R & D, Dali University, Dali 671000, China https: // orcid. org / 0000 - 0002 - 2143 - 8226 text Zootaxa 2021 2021-05-11 4969 2 201 254 journal article 6505 10.11646/zootaxa.4969.2.1 51bab0c0-d141-4448-a899-615a71f2967d 1175-5326 4748849 95F7B545-F9E5-4EF2-95C2-76F40CA24492 Key to the known species of Aancistroger (except A. inarmatus ) 1 The shape of female seventh abdominal tergite similar to other abdominal tergites, nearly rectangular, longer than broad, basal area with short transverse copulatory depressions, apical area without membranous area; ovipositor straight, apex obtusely rounded; hooks of male ninth abdominal tergite thin, curved inwards, tenth abdominal tergite with 1 pair of heavily sclerotized hooks, its basal area slightly swollen and apices directing backward and slightly outward................... A. primitivus - The shape of female seventh abdominal tergite obviously different from other sternites, wider than long, between the apical area and basal area of subgenital plate with membranous area...................................................... 2 2 Basal area of female seventh abdominal sternite with 1 folded process, apical area with narrow membranous area, which indistinctly separated from subgenital plate; posterior margin of female subgenital plate obtusely rounded, slightly concave in the middle; male ninth abdominal tergite long, curved ventrad, posterior margin of subgenital plate medially projected.................................................................................................. A. elbenioides - Basal area of female seventh abdominal sternite with central depression, distinctly separated from subgenital plate by wide membranous......................................................................................... 3 3 Posterior margin of female subgenital plate with deeply acute-angled concavity, lateral margins of basal area convex.................................................................................................... A. similis - Posterior margin of female subgenital plate with shallowly obtuse-angled concavity, lateral margins of basal area slightly convex................................................................................................ 4 4 Basal area of female seventh abdominal sternite with membranous area, posterior margin of subgenital plate truncate; male ninth abdominal tergite with 1 pair of short spines on lateral margin, posterior margin of subgenital plate angular concave............................................................................................... A. sinicus - Basal area of female seventh abdominal sternite without membranous area; posterior margin of seventh abdominal sternite concave....................................................................................... A. vietus