Meotipa Simon 1895
Creators: name: Liang, Yun
name: Yin, Haiqiang
name: Xu, Xiang
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Theridiidae
Meotipa

description: 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
description: Published as part of Liang, Yun, Yin, Haiqiang & Xu, Xiang, 2024, Three new species of the spider genus Meotipa Simon, 1895 from Guangxi Zhuang Autonomous Region, China (Araneae: Theridiidae), pp. 156-173 in European Journal of Taxonomy 968 on pages 158-160, DOI: 10.5852/ejt.2024.968.2725, http://zenodo.org/record/14221641