Taxonomy on three allied genera within Arcypterini (Orthoptera: Acrididae) from Qinghai-Xizang Plateau, China Author Mao, Ben-Yong Author Huang, Zhi-Pang text Zootaxa 2023 2023-02-09 5239 2 265 279 http://dx.doi.org/10.11646/zootaxa.5239.2.5 journal article 10.11646/zootaxa.5239.2.5 1175-5326 7624313 8E5F3697-2043-46F4-9B4C-4BE818D157C8 Key to the species Asulconotus 1. Upper ovipositor valve stubby, 2.0 times as long as wide, slightly concave near extremity, upper-outer edge indistinctly serrate; lower ovipositor valve slightly concave near extremity, lower-outer edge indistinctly serrate. Distribution in Qinghai (Yushu)............................................................................. A. kozlovi Mistshenko, 1981 –. Upper ovipositor valve slender, length 2.5 times more than the maximum width, observably concave near extremity, upperouter with edge smooth; lower ovipositor valve obviously sunken to form a big tooth near extremity................... 2 2. Pronotum with anterior margin sinuate, lateral carinae blurry. Distribution in Sichuan (Ganzi)........ A. acarinatus , sp. nov. –. Pronotum with anterior margin straight, lateral carinae distinct................................................. 3 3. Tegmen longer, reaching hind margin of 3 rd abdominal tergite, 4.3 times as long as wide in male, or reaching hind margin of 2 nd abdominal tergite, 4.6 times as long as wide in female; subgenital plate of male shorter, 1.5 times as long as epiproct. Distribution in Qinghai (Jiuzhi)............................................. A. jiuzhiensis Yin, Zheng & Yin, 2012 –. Tegmen shorter, extending over the hind margin of 3 rd abdominal tergite, 3.2 times as long as wide in male, or reaching middle of 2 nd abdominal tergite, 2.6 times as long as wide in female; subgenital plate of male longer, 2.0 times as long as epiproct. Distribution in Qinghai (Qumalai, Maqin, Jiuzhi, Zaduo), Sichuan (Aba, Ganzi).............. A. chinghaiensis Ying, 1974