Descriptions of the last instar larvae of Anotogaster chaoi Zhou, 1998 and Neallogaster annandalei (Fraser, 1923) from Erhai Lake Basin, Yunnan, China (Odonata: Cordulegastrids) Author Yang, Guo-Hui 0009-0008-8828-0452 College of Agriculture and Life Sciences, Dali University, Yunnan 671003, China & Cangshan Forest Ecosystem Observation and Research Station of Yunnan Province, Dali University Yunnan 671003, China 17587026301 @ 163. com; https: // orcid. org / 0009 - 0008 - 8828 - 0452 & National Observation and Research Station of Erhai Lake Ecosystem in Yunnan Author Zi, Dong-Dong 0009-0008-8828-0452 College of Agriculture and Life Sciences, Dali University, Yunnan 671003, China & Cangshan Forest Ecosystem Observation and Research Station of Yunnan Province, Dali University Yunnan 671003, China 17587026301 @ 163. com; https: // orcid. org / 0009 - 0008 - 8828 - 0452 text Zootaxa 2023 2023-10-19 5357 3 423 433 http://dx.doi.org/10.11646/zootaxa.5357.3.5 journal article 273560 10.11646/zootaxa.5357.3.5 b39ad535-d812-4841-9736-cf1297a00f58 1175-5326 10025175 023A8027-D0E4-4FE2-BB96-2C3A33E4A594 A key to the larvae of Anotogaster 1. With only one short premental seta............................................................. A. nipalensis More than one short premental seta....................................................................... 2 2. Lateral spines on S8 present............................................................................. 3 Lateral spines on S8 absent..................................................................... A. gregoryi 3. Long premental setae 7 and palpal setae 6......................................................... A. sieboldii Long premental setae 6 and palpal setae 5........................................................... A. chaoi