Alistra pikachu Lin &amp; Li 2021, sp. nov.
Creators: name: Lin, Yejie
name: Marusik, Yuri M.
name: Gao, Caixia
name: Xu, Hao
name: Zhang, Xiaoqing
name: Wang, Ziyi
name: Zhu, Wenhui
name: Li, Shuqiang
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Hahniidae
Alistra
Alistra pikachu

description: <i>Alistra pikachu</i> Lin &amp; Li, sp. nov. (Figs 20A–C, 21A–B) Diagnosis. Males of <i>A. pikachu</i> Lin &amp; Li, <b>sp. nov.</b> are similar to those of <i>A. hippocampa</i> Zhang, Li &amp; Zheng, 2011 in having a slender embolus, short cymbial furrow, and an absence of the MA and C, but there are no patellar apophyses in <i>A. pikachu</i> Lin &amp; Li, <b>sp. nov.</b> (<i>vs.</i> present in <i>A. hippocampa</i>), and the RTA is long and thin (<i>vs.</i> short RTA in <i>A. hippocampa</i>). Females of the new species are distinguished from other <i>Alistra</i> species by the folded CDs and oval S. Description. Male (holotype, IZCAS-Ar42416, Figs 20A–C). Total length 1.55. Prosoma 0.71 long, 0.63 wide; opisthosoma 0.92 long, 0.63 wide. Eye sizes and interdistances: AME 0.04, ALE 0.05, PME 0.03, PLE 0.04; AME–AME 0.03, AME–ALE 0.01, PME–PME 0.07, PME–PLE 0.05, ALE–PLE 0.01. Clypeus height 0.08. Leg measurements: Leg I 2.41 (0.71 + 0.81 + 0.48 + 0.41); leg II 2.34 (0.69 + 0.78 + 0.47 + 0.40); leg III 1.095 (0.55 + 0.64 + 0.40 + 0.34); leg IV 2.42 (0.67 + 0.78 + 0.54 + 0.41). Leg formula 4123. Palp (Figs 20A–C), patella without an apophysis. Palpal tibia longer than patella, RTA sickle shaped. E originating prolatero-basally, curving clockwise along the tegular margin, semicircular. C and MA absent. Cymbium with short and deep furrow, the length is one quarter of the cymbial length. Female (paratype, IZCAS-Ar42417, Figs 21A–B). Total length 1.84. Prosoma 0.71 long, 0.72 wide; opisthosoma 1.12 long, 0.79 wide. Eye sizes and interdistances: AME 0.04, ALE 0.04, PME 0.06, PLE 0.07; AME–AME 0.05, AME–ALE 0.02, PME–PME 0.09, PME–PLE 0.06, ALE–PLE 0.02. Clypeus height 0.09. Leg measurements: Leg I 2.84 (0.70 + 0.74 + 0.45 + 0.39); leg II 2.26 (0.69 + 0.74 + 0.43 + 0.40); leg III 2.08 (0.62 + 0.66 + 0.43 + 0.37); leg IV 2.61 (0.74 + 0.87 + 0.57 + 0.41). Leg formula 4123. Opisthosoma yellow-brown. Epigyne (Figs 21A–B) small and simple. CDs folded. S oval. Material examined. Holotype &amp;male;, China: Guangdong, Qingyuan, Yangshan County, Gaofengdaoban, Jile Cave (24.4912°N, 112.6956°E; elev. ca. 280 m), 5 January 2019, leg. Zhigang Chen and Zhe Zhao (IZCAS-Ar42416). Paratypes. 3&amp;male; 3&amp;female; (IZCAS-Ar42417–Ar42422), same data as holotype. Distribution. Known only from the type locality. Etymology. The species is named after Pikachu, a fictional character from Pokémon Yellow, as the habitus color of this new species is yellow; noun (name) in apposition. Variation. Male (holotype and paratypes; <i>n</i> = 4) total length 1.45–1.62. Female (paratypes; <i>n</i> = 3) total length 1.63–1.84.
description: Published as part of <i>Lin, Yejie, Marusik, Yuri M., Gao, Caixia, Xu, Hao, Zhang, Xiaoqing, Wang, Ziyi, Zhu, Wenhui &amp; Li, Shuqiang, 2021, Twenty-three new spider species (Arachnida: Araneae) from Asia, pp. 91-152 in Zoological Systematics 46 (2)</i> on page 114, DOI: 10.11865/zs.2021201, http://zenodo.org/record/5367065
description: {"references": ["Zhang, Z. S., Li, S. Q, Zheng, G. 2011. Comb-tailed spiders from Xishuangbanna, Yunnan Province, China (Araneae, Hahniidae). Zootaxa 2912: 1 - 27. doi: 10.11646 / zootaxa. 2912.1.1."]}