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Research Article
Description of three new species of the spider genus Pseudopoda Jäger, 2000 (Araneae, Sparassidae) from China, Laos and Thailand, and the female of P. kavanaughi Zhang, Jäger & Liu, 2023
expand article infoYanrong Wu‡, Rui Zhong‡, Yang Zhu‡, Peter Jäger§, Jie Liu‡|, He Zhang‡
‡ Hubei University, Wuhan, China
§ Senckenberg Research Institute, Frankfurt am Main, Germany
| Hubei University of Science and Technology, Xianning, China

Corresponding author: He Zhang ( hancyhappy@aliyun.com )

Academic editor: Peter Michalik
© 2024 Yanrong Wu, Rui Zhong, Yang Zhu, Peter Jäger, Jie Liu, He Zhang.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation: Wu Y, Zhong R, Zhu Y, Jäger P, Liu J, Zhang H (2024) Description of three new species of the spider genus Pseudopoda Jäger, 2000 (Araneae, Sparassidae) from China, Laos and Thailand, and the female of P. kavanaughi Zhang, Jäger & Liu, 2023. ZooKeys 1202: 287-301. https://doi.org/10.3897/zookeys.1202.116007
ZooBank: urn:lsid:zoobank.org:pub:678BC18A-02A5-4264-BB5C-5A140B4DEABB
Open Access

Abstract

With 252 species, Pseudopoda Jäger, 2000, is the largest genus in the family Sparassidae and is widely distributed in South (49 species in Bhutan, India, Nepal and Pakistan), East (158 species in China and Japan) and Southeast Asia (51 species in Indonesia, Laos, Myanmar, Thailand and Vietnam). Few species have been found in more than one region. In this paper, three new species of Pseudopoda are described from East and Southeast Asia. Among them, one from China: P. fengtongzhaiensis Jäger & Liu, sp. nov. (♀); one from Laos: P. baimai Jäger & Liu, sp. nov. (♀); and one from Thailand: P. inthanonensis Jäger & Liu, sp. nov. (♀). Additionally, the female of P. kavanaughi Zhang, Jäger & Liu, 2023 is described for the first time. Photos of the habitus and genitalia, as well as a distribution map of all four species, are provided.

Key words

Heteropodinae, high diversity, Huntsman spiders, taxonomy

Introduction

The spider genus Pseudopoda, established by Jäger (2000) with Pseudopoda prompta (O. Pickard-Cambridge, 1885) as the type species, has a broad distribution across South, East and Southeast Asia. Up to now, 252 species have been reported (World Spider Catalog 2024), with their habitats spanning elevations from 17 m (e.g., P. spirembolus Jäger & Ono, 2002) (Jäger and Ono 2002) to 3847 m (e.g., P. nyingchiensis Zhao & Li, 2018) (Jiang et al. 2018) above sea level. These spiders inhabit a variety of environments, including foliage, leaf litter, rock crevices, caves, grasslands, under tree bark and stones or synanthropic environments. Most species of this genus typically have a limited distribution range, but at the same time, the genus has a high local diversity (Jiang et al. 2018). Researchers speculate that the actual number of Pseudopoda species may far exceed those formally described, hinting at the genus’s rich yet partially uncovered biodiversity (Cao et al. 2016; Jiang et al. 2018; Zhang et al. 2023).

To date, nine species groups have been established, primarily based on morphological and molecular characteristics (daliensis-group, interposita-group, and signata-group) or solely on morphological features (diversipunctata-group, latembola-group, martensi-group, parvipunctata-group, prompta-group, and schwendingeri-group) (Jäger 2001; Zhang et al. 2017, 2019; Li et al. 2019). Among these, the schwendingeri-group was based only on male characteristics.

One of the notable challenges in studying Pseudopoda spiders is the difficulty in collecting mature pairs from the field, leading to many species being described only based on one sex. Currently, more than half of the known species (130) have been documented in this manner. In the course of our research, we have identified three new species from Asia: P. baimai Jäger & Liu, sp. nov., P. fengtongzhaiensis Jäger & Liu, sp. nov., and P. inthanonensis Jäger & Liu, sp. nov. However, only female specimens of these species have been reported. Additionally, during examination of material collected from Kongdang Village, Yunnan Province, China, we found the female of P. kavanaughi Zhang, Jäger & Liu, 2023 (Zhang et al. 2023), enabling us to describe the female for the first time in this paper. This study enriches our knowledge of the diversity of the genus Pseudopoda.

Material and methods

All specimens were kept in 75% ethanol and examined with an Olympus SZX16 stereomicroscope; details were further investigated with an Olympus BX51 compound microscope. Colouration is described in all species from specimens in ethanol. Copulatory organs were examined and illustrated after dissection from the spider bodies; epigynes were cleared with Proteinase K. Habitus photos were obtained with a Leica DMC4500 digital camera attached to a Leica M205 C digital microscope. Coordinates are given in square brackets when retrieved secondarily from Google Earth. A molecular sample ID and collection acronym is given in brackets.

Leg measurements are shown as total length (femur, patella, tibia, metatarsus, tarsus). The number of spines is listed for each segment in the following order: prolateral, dorsal, retrolateral, ventral (in femora and patellae ventral spines are absent and fourth digit is omitted in the spination formula). The terminology used in text and figure legends follows Jäger (2007). All measurements are given in millimetres.

All specimens treated in the present paper were compared with individuals of described species within a certain distribution range to avoid describing synonyms (e.g., P. nankunensis Zhang, Jäger & Liu, 2023 in Zhang et al. 2023).

Abbreviations used in text and figures: AB, anterior bands; ALE, anterior lateral eyes; AME, anterior median eyes; CH, clypeus height; CO, copulatory opening; DS, dorsal shield of prosoma; EF, epigynal field; FD, fertilization duct; Fe, femur; FW, first winding; IDS, internal duct system; LL, lateral lobes; Mt, metatarsus; OS, Opisthosoma; Pa, patella; PLE, posterior lateral eyes; PME, posterior median eyes; Pp, palp; S, spermathecae; Ti, tibia; I, II, III, IV, legs I to IV.

Collections (with curators): CAS, California Academy of Science, San Francisco, California, USA (L. Esposito); CBEE, Centre for Behavioural Ecology and Evolution, College of Life Sciences, Hubei University, Wuhan, China (J. Liu); MHNG, Muséum d’Histoire Naturelle, Geneve, Switzerland (P.J. Schwendinger); SMF, Senckenberg Research Institute, Frankfurt, Germany (P. Jäger).

Results

Taxonomy

Family Sparassidae Bertkau, 1872

Subfamily Heteropodinae Thorell, 1873

Pseudopoda Jäger, 2000

Type species

Sarotes promptus O. Pickard-Cambridge, 1885.

Diagnosis

Small to large Heteropodinae. Species can be diagnosed by: 1) conductor membranous (some species reduced or entirely absent); 2) embolus broadened and flattened (at least in its proximal part); 3) retrolateral tibial apophysis arising proximally or mesially from the tibia; 4) lateral lobes of epigyne distinctly extend beyond the epigastric furrow, covering the median septum in most species; 5) first winding membranous, with bent margins in most species; and 6) first winding or first winding and lateral lobes covering the internal duct system in dorsal view (modified from Jäger 2000, Jiang et al. 2018 and Zhang et al. 2023).

Pseudopoda baimai Jäger & Liu, sp. nov.

https://zoobank.org/A0DC4815-BE5C-48D8-B349-524C54B51117
Figs 1, 2, 9

Type material

Holotype female: Laos, Vientiane Province: Vang Vieng, W of Nam Song, Tham Nam Or Kjem, in cave, 18°55'46.86"N, 102°20'56.82"E, 324 m, 28 July 2016, by hand, by day. P. Jäger leg. (SMF, LAO0008). Paratype: 1 female, with same data as for holotype (SMF, LAO0008).

Etymology

The specific name is derived from the Laos word baimai (ໃບໄມ້), meaning foliage and referring to the fact that the holotype female was collected on foliage of a secondary forest; noun in apposition.

Diagnosis

The female of P. baimai Jäger & Liu, sp. nov. resembles P. gongschana Jäger & Vedel, 2007 (Jäger and Vedel 2007) by: 1) IDS visible through cuticle in ventral view as large circular patches in centre of LL; and 2) posterior margins of LL with median indentation. It can be recognised by: 1) S largely covered by LL in dorsal view; and 2) anterior margins of LL straight, almost “V”-shaped in ventral view, their lateral ends with a bend, laterad (covered by FW, anterior margins distinctly convex, their lateral ends latero-posteriad in P. gongschana).

Female (LAO0008): Measurements: Medium sized. Body length 11.3, DS length 4.6, width 4.0, OS length 6.7, width 3.8. Eyes: AME 0.12, ALE 0.26, PME 0.22, PLE 0.24, AME–AME 0.16, AME–ALE 0.08, PME–PME 0.28, PME–PLE 0.35, AME–PME 0.33, ALE–PLE 0.30, CH AME 0.40, CH ALE 0.34. Spination: Pp 131, 101, 2121, 1014; Fe I–III 323, IV 331; Pa I–III 001, IV 000; Ti I–II 2226, III–IV 2026; Mt I–II 2024, III 3024, IV 3036. Measurements of palps and legs: Pp 7.1 (2.0, 1.0, 1.6, –, 2.5); I 25.9 (7.7, 2.1, 7.4, 7.0, 1.7); II 28.7 (8.2, 2.5, 8.4, 7.4, 2.2); III 22.2 (6.3, 1.9, 6.8, 5.9, 1.3); IV 24.4 (7.9, 1.2, 7.0, 7.3, 2.0). Leg formula: II-I-IV-III. Promargin of chelicerae with three teeth, retromargin with four teeth, cheliceral furrow with c. 33 denticles.

Epigyne (Fig. 1A–C): As in diagnosis. EF wider than long, without AB. Posterior margins of LL irregularly rounded. S oval-shaped, occupying most part of LL in ventral view. Most parts of FW covered by LL in dorsal view.

Figure 1. 

Pseudopoda baimai Jäger & Liu, sp. nov., holotype, female A epigyne, ventral B schematic course of IDS, dorsal C vulva, dorsal. Scale bars: 0.5 mm.

Colouration (Fig. 2A, B): DS yellow with dark spots. Fovea distinct. Margin with dark marks. OS dorsally yellowish brown with two light yellow regions at posterior part, ventrally light yellow, with several brown marks, irregularly arranged.

Figure 2. 

Pseudopoda baimai Jäger & Liu, sp. nov., female habitus (A dorsal B ventral). Scale bars: 2 mm.

Male: Unknown.

Variation

Female (N = 1): body length 12.7, DS length 5.3, OS length 7.4.

Remarks

This species might potentially be conspecific with P. caudata Zhang, Jäger & Liu, 2023 (Zhang et al. 2023), given that the two habitats are only about 100 kilometres apart. However, there are subtle differences in coloration and patterns on the dorsal side of the females compared to the males of P. caudata, indicating a possible distinction between the two species. Further research and future findings are needed to conclusively resolve this ambiguity.

Distribution

Laos (Vientiane Province) (Fig. 9).

Pseudopoda fengtongzhaiensis Jäger & Liu, sp. nov.

https://zoobank.org/FE214929-DE51-4FDC-9314-6150FAE50863
Figs 3, 4, 9

Type material

Holotype female: China, Sichuan Province: Ya’an City, Baoxing County, Fengtongzhai National Nature Reserve, 30°34′17″N, 102°52′58″E, 1604 m, 5 May 2016, Y. Zhong leg. (CBEE, LJ2215). Paratypes: 3 females, with same data as for holotype (CBEE, LJ2216–LJ2218).

Etymology

The specific name is derived from the type locality, the Fengtongzhai National Nature Reserve; adjective.

Diagnosis

The female of P. fengtongzhaiensis Jäger & Liu, sp. nov. is similar to that of P. emei Zhang, Zhang & Zhang, 2013 (Zhang et al. 2013) by: 1) LL large, and the length of the lateral margin of LL almost equal to that of median margin in ventral view; and 2) FW well developed. It can be distinguished by: 1) S with a distinct turning in ventral view; and 2) posterior margins of LL rounded and smooth in ventral view (S simple and close to anterior margins of LL, posterior margins of LL with distinct posterior incisions in P. emei).

Female (LJ2215): Measurements: Medium sized. Body length 15.8, DS length 7.8, width 6.5, OS length 8.0, width 4.9. Eyes: AME 0.22, ALE 0.37, PME 0.24, PLE 0.31, AME–AME 0.13, AME–ALE 0.07, PME–PME 0.18, PME–PLE 0.44, AME–PME 0.27, ALE–PLE 0.23, CH AME 0.38, CH ALE 0.25. Spination: Pp 131, 101, 2121, 1014; Fe I–II 323, III–IV 322; Pa I–III 101, IV 100; Ti I 1016, II–IV 2026; Mt I–II 2024, III 3025, IV 3036. Measurement of palps and legs: Pp 8.8 (2.5, 1.2, 1.9, –, 3.2); I 25.3 (7.6, 2.3, 7.4, 6.2, 1.8), II 27.9 (8.0, 2.9, 8.3, 6.6, 2.1), III 20.4 (6.8, 1.6, 5.6, 4.9, 1.5), IV 24.7 (7.8, 1.7, 6.8, 6.4, 2.0). Leg formula: II-I-IV-III. Promargin of chelicerae as in P. baimai Jäger & Liu, sp. nov., cheliceral furrow with c. 24 denticles.

Epigyne (Fig. 3A–C): As in diagnosis. EF wider than long, with distinct AB. Anterior margins of LL distinctly curved and forming a broad V-shaped, and resembling a heart, in ventral view. FW of IDS well developed, covering entire S, large parts of FW covered by LL in dorsal view. FD long and narrow, suited medially.

Figure 3. 

Pseudopoda fengtongzhaiensis Jäger & Liu, sp. nov., holotype, female A epigyne, ventral B schematic course of IDS, dorsal C vulva, dorsal. Scale bars: 0.5 mm.

Colouration (Fig. 4A, B): DS reddish-brown with dark spots, margin with distinct marks. Fovea and striae distinctly marked and with a few dark dots. OS dorsally dark brown, with lots of yellow and small dots, and several big dots in anterior part, with a transversal yellow line in posterior part. OS ventrally brown, margins with dark hairs, with a yellow region in middle part.

Figure 4. 

Pseudopoda fengtongzhaiensis Jäger & Liu, sp. nov., female habitus (A dorsal B ventral). Scale bars: 2 mm.

Male: Unknown.

Variation

Females (N = 3): body length 15.1–16.3, DS length 7.1–8.0, OS length 8.0–8.3.

Remarks

This species may potentially be conspecific with P. acutiformis Zhang, Jäger & Liu, 2023 (Zhang et al. 2023), as they share the same habitat. However, there are notable differences in the coloration and patterns on the dorsal side of the females compared to the males of P. acutiformis, suggesting they might be distinct species. Additionally, another species, P. flexa Zhang, Jäger & Liu, 2023 (Zhang et al. 2023), is also located in this Reserve. Resolution of these ambiguities will depend on future research and findings.

Distribution

China (Sichuan Province) (Fig. 9).

Pseudopoda inthanonensis Jäger & Liu, sp. nov.

https://zoobank.org/E105C872-E060-4202-AA79-6C5DB6EAC7E4
Figs 5, 6, 9

Type material

Holotype female: Thailand, Chiang Mai Province: Doi Inthanon National Park, [18°35′24″N, 98°28′48″E], 1680 m, 24 October 2002, P. Dankittipakul leg. (MHNG, THI0068).

Etymology

The specific name is derived from the type locality, the Doi Inthanon National Park; adjective.

Diagnosis

The female of P. inthanonensis Jäger & Liu, sp. nov. can be distinguished from those of all other Pseudopoda species by the posterior margins of LL with a distinct inverted V-shaped indentation at the middle part.

Female (THI0068): Measurements: Medium sized. Body length 12.7, DS length 4.9, width 4.2, OS length 7.8, width 4.5. Eyes: AME 0.24, ALE 0.34, PME 0.27, PLE 0.32, AME–AME 0.19, AME–ALE 0.09, PME–PME 0.21, PME–PLE 0.38, AME–PME 0.30, ALE–PLE 0.26, CH AME 0.36, CH ALE 0.27. Spination: Pp 131, 001, 2121, 1004; Fe I–II 323, III 322, IV 331; Pa I–IV 101; Ti I–IV 2026; Mt I–II 2024, III 3024, IV 3036. Measurement of palps and legs: Pp 7.8 (2.3, 1.8, 1.0, –, 2.7); I 23.8 (7.0, 2.3, 6.9, 6.1, 1.5), II 28.4 (8.1, 2.5, 8.4, 7.3, 2.1), III 18.4 (6.0, 1.5, 5.1, 4.7, 1.1), IV 24.3 (7.3, 1.8, 6.3, 6.9, 2.0). Leg formula: II-IV-I-III. Promargin of chelicerae as in P. baimai Jäger & Liu, sp. nov., cheliceral furrow with c. 27 denticles.

Epigyne (Fig. 5A–C): As in diagnosis. EF wider than long, AB long, but indistinct. LL narrow, with anterior margins slightly curved. S oval-shaped in ventral view, covered by FW and posterior part of LL in dorsal view. FD long, suited medially.

Figure 5. 

Pseudopoda inthanonensis Jäger & Liu, sp. nov., holotype, female A epigyne, ventral B schematic course of IDS, dorsal C vulva, dorsal. Scale bars: 0.5 mm.

Colouration (Fig. 6A, B): DS reddish-brown with dark spots. Margins with dash dark dots. Fovea and striae distinctly marked. OS dorsally brown, with several dots at anterior part, with two round patches at the posterior half. OS ventrally yellow, with several brown and irregular marks.

Figure 6. 

Pseudopoda inthanonensis Jäger & Liu, sp. nov., female habitus (A dorsal B ventral). Scale bars: 2 mm.

Male: Unknown.

Remarks

It is possible that this species is conspecific with P. columnacea Zhang, Jäger & Liu, 2023 (Zhang et al. 2023) due to their shared habitat. However, significant variations in the color and patterns on the dorsal side of the females compared to the males of P. columnacea suggest they could be different species. Clarifying these uncertainties will require additional research and future discoveries.

Distribution

Thailand (Chiang Mai Province) (Fig. 9).

Pseudopoda kavanaughi Zhang, Jäger & Liu, 2023

Figs 7, 8, 9

Pseudopoda kavanaughi Zhang, Jäger & Liu, 2023: 149, figs 135A–C, 136A, B (Holotype male from Yunnan Province, China, deposited in CAS, examined).

Material examined

China, Yunnan Province: 1 female, Gongshan County, Dulongjiang Township, 2.3–3.3 km south of Longyuan Village, 28°0′19″N, 98°19′42″E, 1690 m, 2 November 2004, D.H. Kavanaugh leg. (CAS, CAS0035); 1 female, Gongshan County, Dulongjiang Township, Dizheng Wang, across Dulongjiang from Dizhengdang, 28°5′12″N, 98°19′42″E, 1910 m, 20 October 2004, D.H. Kavanaugh leg. (CAS, CAS0034).

Diagnosis

The female of this species is similar to P. tianpingensis Zhang, Jäger & Liu, 2023 (Zhang et al. 2023) by: 1) anterior margins of LL U-shaped and almost parallel to posterior margins; and 2) sclerotised part of IDS oval-shaped in ventral view. It can be recognised by the sclerotised part of S forming “八” -shape, extending in oblique downward axis in ventral view (almost parallel to anterior margins and posterior margins, extending in oblique upward axis in ventral view in P. tianpingensis).

Female (CAS0034): Measurements: Small sized. Body length 8.2, DS length 3.8, width 3.5, OS length 4.4, width 3.3. Eyes: AME 0.22, ALE 0.35, PME 0.25, PLE 0.33, AME–AME 0.14, AME–ALE 0.08, PME–PME 0.18, PME–PLE 0.38, AME–PME 0.29, ALE–PLE 0.24, CH AME 0.36, CH ALE 0.27. Spination: Pp 131, 101, 2121, 1014; Fe I–III 323, IV 321; Pa I–IV 101; Ti I–III 2224, IV 2226; Mt I–II 1014, III 2024, IV 3036. Measurement of palps and legs: Pp 5.0 (1.5, 1.0, 0.7, –, 1.8); I 12.6 (3.5, 1.5, 3.7, 2.9, 1.0), II 15.4 (4.3, 1.8, 4.5, 3.3, 1.5), III 10.2 (3.1, 0.9, 2.8, 2.6, 0.8), IV 13.1 (3.9, 1.2, 3.4, 3.1, 1.5). Leg formula: II-IV-I-III. Promargin of chelicerae as in P. baimai Jäger & Liu, sp. nov., cheliceral furrow with c. 16 denticles.

Epigyne (Fig. 7A–C): As in diagnosis. EF wider than long, with short AB. S clearly visible, and slightly bent to anterior margins to LL in ventral view, all covered by FW and posterior part of LL in dorsal view. FD long, suited medially.

Figure 7. 

Pseudopoda kavanaughi Zhang, Jäger & Liu, 2023, female A epigyne, ventral B schematic course of IDS, dorsal C vulva, dorsal. Scale bars: 0.5 mm.

Colouration (Fig. 8A, B): DS reddish-brown with dark dots. Fovea and striae distinctly marked. OS dorsally reddish-brown with lots of black dots, ventrally brown with several black marks, with several reddish-brown patches at posterior part.

Figure 8. 

Pseudopoda kavanaughi Zhang, Jäger & Liu, 2023, female habitus (A dorsal B ventral). Scale bars: 2 mm.

Male: For details see Zhang et al. (2023).

Variation

Female (N = 1): body length 7.7, DS length 3.2, OS length 4.5.

Remarks

This female’s location is close to that of the male of P. kavanaughi. Although there are slight differences in colouration, we consider it the conspecific female.

Distribution

China (Yunnan Province) (Fig. 9).

Figure 9. 

Distribution map of the four species from the genus Pseudopoda. The numbers represent the different species. 1 P. baimai Jäger & Liu, sp. nov. 2 P. fengtongzhaiensis Jäger & Liu, sp. nov. 3 P. inthanonensis Jäger & Liu, sp. nov. 4 P. kavanaughi Zhang, Jäger & Liu, 2023.

Acknowledgments

We thank all institutions and staff as listed in the Material and methods section for loaning material for this study.

Additional information

Conflict of interest

The authors have declared that no competing interests exist.

Ethical statement

No ethical statement was reported.

Funding

This study was supported in part by grants from National Natural Sciences Foundation of China (NSFC-31572236; NSFC-31772420; NSFC-31970406; NSFC-32300378), the China Postdoctoral Science Foundation (2023M731035), Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences (19CAS-TFE-3).

Author contributions

Writing – original draft: YW, RZ. Writing – review and editing: YZ, PJ, JL, HZ.

Data availability

All of the data that support the findings of this study are available in the main text.

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