A new genus and a new species of Trigonidiidae (Orthoptera: Grylloidea) from north Myanmar amber Author Yuan, Wei 0000-0002-5044-0018 College of Agronomy, Sichuan Agricultural University, Chengdu, 611130, China. & Yuanwei 19980808 @ 163. com; https: // orcid. org / 0000 - 0002 - 5044 - 0018 Author Ma, Li-Bin 0000-0002-8556-7158 College of Life Sciences, Shaanxi Normal University, Xi′an, 710119, China. & libinma @ snnu. edu. cn; https: // orcid. org / 0000 - 0002 - 8556 - 7158 libinma@snnu.edu.cn Author Gu, Jun-Jie 0000-0003-1931-4424 College of Agronomy, Sichuan Agricultural University, Chengdu, 611130, China. & orthoptera _ gu @ aliyun. com; https: // orcid. org / 0000 - 0003 - 1931 - 4424 orthoptera_gu@aliyun.com text Zootaxa 2023 2023-08-14 5330 1 141 146 http://dx.doi.org/10.11646/zootaxa.5330.1.9 journal article 32022 10.11646/zootaxa.5330.1.9 d85d2554-d8b9-4d5e-877f-c42f39e3b60a 1175-5326 8249240 28D2B80D-1EBA-41CE-B8FD-CCB201330F44 Key to genus of Trigonidiidae in amber 1. Tegmen and wings present. Tegmen and wings absent.................................................................. Qiongqi gen. nov. 2. Tegmina without hairs. Tegmina with hairs................................................................ Amusurgus Chopard, 1936 3. Second tarsomeres wide and flat. Second tarsomeres neither widened, nor flat................................................................ 8 4. Tegmina with cross-veins. Tegmina without cross-veins...................................................... Rhicnogryllus Chopard, 1936 5. Metabasitarsi not serrulated. Metabasitarsi serrulated............................................................... Curvospurus He, 2022 6. Tegmina with faint cross-veins. Tegmina with obvious cross-veins................................................... Cyrtoxipha Gorochov, 2010 7. Head vertical, front oblique, extending forward between antennal bases................ Anaxipha Vickery & Poinar, 1994 Head without specialization obviously......................................... Abanaxipha Vickery & Poinar, 1994 8. Head triangular in front view.............................. Birmaninemobius Xu, Zhang, Jarzembowski & Fang, 2020 Head rounded in front view..................................................... Baltonemobius Gorochov, 2010