Three new species of the spider genus Meotipa Simon, 1895 from Guangxi Zhuang Autonomous Region, China (Araneae: Theridiidae) Author Liang, Yun 60C737E6-1165-4DA0-AEA2-AE4794731F50 College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China. lyliangyun@outlook.com Author Yin, Haiqiang 1CF43D1F-B786-4203-8FCC-767434A6737B College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China. & Qiongtai Normal University, Haikou 571100, Hainan, China. yinhaiqiang@hunnu.edu.cn Author Xu, Xiang 4CAB4D03-272D-4EDF-BD4B-52EE2A43C9F3 College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China. xux@hunnu.edu.cn text European Journal of Taxonomy 2024 2024-11-05 968 156 173 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2725/12521 journal article 305459 10.5852/ejt.2024.968.2725 139c5fa9-ed62-4bfc-818f-771051c7f77a 2118-9773 14221641 089DE7B1-E940-4197-B192-266F786E92D7 Genus Meotipa Simon, 1895 Key to the Chinese species of Meotipa Simon, 1895 Male 1. Conductor with a deep groove .......................................................................................................... 2 – Conductor without a distinct groove ................................................................................................. 4 2. Conductor relative thin, with a sharp top .......................................................................................... 3 – Conductor large, with a widened top ......................................................... M. picturata Simon, 1895 3. Embolus small and short, dentate-shaped ............................................... M. pseudomultuma sp. nov – Embolus thin and long, filiform ........................................................... M. zhengguoi Lin & Li, 2021 4. Embolus mostly covered by conductor ............................................................................................. 5 – Embolus uncovered .......................................................................................................................... 9 5. Embolus extremely twisted ................................................................................ M. tortuosa sp. nov. – Embolus not twisted ......................................................................................................................... 6 6. Conductor relatively thin, end with hook ......................................................................................... 7 – Conductor large, widened at end ...................................................................................................... 8 7. Margin of conductor smooth ..................................... M. spiniventris (O. Pickard-Cambridge, 1869) – Margin of conductor unsmooth, serrated ................................................. M. luoqiae Lin & Li, 2021 8. Embolus almost as long as conductor ................................................... M. menglun Lin & Li, 2021 – Embolus about ⅓ length of conductor ................................................. M. capacifaba Li et al., 2020 9. Conductor large, with a widened end ............................................................................................. 10 – Conductor relative thin, maintaining a consistent width .......... M. argyrodiformi (Yaginuma, 1952) 10. Embolus large, triangular ........................................................ M. pulcherrima ( Mello-Leitão, 1917 ) – Embolus thin, ivory-shaped ................................................................... M. vesiculosa Simon, 1895 Female 1. Atrium large ...................................................................................................................................... 2 – Atrium indistinct or absent ............................................................................................................... 9 2. Atrium divided into two parts by epigynal septum .......................................................................... 3 – Atrium not divided ............................................................................................................................ 4 3. Atrium horse hoof-shaped .................................................................................. M. tortuosa sp. nov. – Atrium ring-shaped .............................................................................. M. capacifaba Li et al., 2020 4. Atrium with a projection ................................................................................................................... 5 – Atrium without a projection .................................................... M. argyrodiformis (Yaginuma, 1952) 5. Atrium with a rod-shaped projection ................................................................................................ 6 – Atrium with an irregular projection .................................................................................................. 7 6. Copulatory ducts connecting to spermathecae laterally ............................ M. picturata Simon, 1895 – Copulatory ducts connecting to spermathecae ventrally .................................................................... .................................................................. M. pseudopicturata Deng, Agnarsson, Chen & Liu, 2022 7. Copulatory ducts swollen ....................................................... M. pulcherrima ( Mello-Leitão, 1917 ) – Copulatory ducts thin ........................................................................................................................ 8 8. Copulatory ducts long, surrounding spermathecae in a loop ............................. M. lingulata sp. nov. – Copulatory ducts short, not twisted ......................................................... M. vesiculosa Simon, 1895 9. Copulatory ducts long, surrounding spermathecae in semi-loop ........... M. pseudomultuma sp. nov. – Copulatory ducts short, not twisted ................................................................................................ 10 10. Spermathecae very round ......................................... M. spiniventris (O. Pickard-Cambridge, 1869) – Spermathecae oval, with a narrow posterior ............ M. striata Deng, Agnarsson, Chen & Liu, 2022