Clubiona huaban Xin, Zhang, Li, Zeng & Yu, 2020

Zhang, Jianshuang, Du, Qiwen, Dai, Yingchen & Yu, Hao, 2025, Re-description of Clubiona huaban (Araneae, Clubionidae), with the first description of the female, Biodiversity Data Journal 13, pp. e 157384-e 157384 : e157384-

Clubiona huaban Xin, Zhang, Li, Zeng & Yu, 2020

Materials

Type status: Holotype. Occurrence: recordedBy: Hao Yu; individualCount: 1; sex: 1 male; lifeStage: 1 adult; preparations: whole animal (ETOH); occurrenceID: 038DEA2D-12E1-5F61-A132-FB2D4F38DE97; Taxon: scientificName: Clubiona huaban ; order: Araneae ; family: Clubionidae ; genus: Clubiona ; specificEpithet: huaban ; taxonRank: species; scientificNameAuthorship: Xin, Zhang, Li, Zeng & Yu, 2020; taxonomicStatus: accepted; Location: continent: Asia; country: China; countryCode: CHN; stateProvince: Guizhou; county: Wudang; municipality: Guiyang; locality: Xiangzhigou Scenic Spot ; verbatimElevation: 1115 m; decimalLatitude: 26.786153; decimalLongitude: 106.921736; georeferenceProtocol: label; Identification: identifiedBy: Hao Yu; dateIdentified: 11-11-2024; identificationReferences: Xin et al. 2020; Event: samplingProtocol: beating; samplingEffort: 10 km by foot; eventDate: 20/5/2016; year: 2016; month: 5; day: 20; Record Level: language: en; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Hao Yu; individualCount: 3; sex: 1 male, 2 females; lifeStage: 3 adults; preparations: whole animal (ETOH); associatedSequences: PV 868258; PV 868259; occurrenceID: 270003E3-CB97-5F07-9B2D-FFBDB2BA607C; Taxon: scientificName: Clubiona huaban ; order: Araneae ; family: Clubionidae ; genus: Clubiona ; specificEpithet: huaban ; taxonRank: species; scientificNameAuthorship: Xin, Zhang, Li, Zeng & Yu, 2020; taxonomicStatus: accepted; Location: continent: Asia; country: China; countryCode: CHN; stateProvince: Guizhou; county: Wudang; municipality: Guiyang; locality: Xiangzhigou Scenic Spot ; verbatimElevation: 1115 m; decimalLatitude: 26.786153; decimalLongitude: 106.921736; georeferenceProtocol: label; Identification: identifiedBy: Hao Yu; dateIdentified: 11-11-2024; identificationReferences: Xin et al. 2020; Event: samplingProtocol: beating; samplingEffort: 10 km by foot; eventDate: 20/6/2023; year: 2023; month: 6; day: 20; Record Level: language: en; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Hao Yu; individualCount: 4; sex: 2 male, 2 female; lifeStage: 4 adults; preparations: whole animal (ETOH); associatedSequences: PV 868257; PV 868260; occurrenceID: CCD9B95A-05D5-53B6-B78C-2867514B2491; Taxon: scientificName: Clubiona huaban ; order: Araneae ; family: Clubionidae ; genus: Clubiona ; specificEpithet: huaban ; taxonRank: species; scientificNameAuthorship: Xin, Zhang, Li, Zeng & Yu, 2020; taxonomicStatus: accepted; Location: continent: Asia; country: China; countryCode: CHN; stateProvince: Sichuan; county: Yucheng; municipality: Ya’an; locality: Zhougongshan National Forest Park ; verbatimElevation: 650 m; decimalLatitude: 29.959043; decimalLongitude: 103.047465; georeferenceProtocol: label; Identification: identifiedBy: Hao Yu; dateIdentified: 11-11-2024; identificationReferences: Xin et al. 2020; Event: samplingProtocol: beating; samplingEffort: 10 km by foot; eventDate: 22/5/2023; year: 2023; month: 5; day: 22; Record Level: language: en; basisOfRecord: PreservedSpecimen

Description

Female (Fig. 2 A, B). Total length 6.47; carapace 2.59 long, 1.77 wide; abdomen 3.88 long, 2.04 wide. Eye sizes and interdistances: AME 0.13, ALE 0.16, PME 0.12, PLE 0.13, AME – AME 0.08, AME – ALE 0.07, PME – PME 0.29, PME – PLE 0.17, MOQL 0.35, MOQA 0.33, MOQP 0.55. Sternum 1.33 long, 0.84 wide. Leg measurements: I 5.63 (1.54, 2.39, 1.14, 0.56), II 5.93 (1.71, 2.47, 1.15, 0.60), III 4.98 (1.47, 1.73, 1.30, 0.48), IV 7.60 (2.15, 2.66, 2.19, 0.60). Leg formula: IV-II-I-III. Cheliceral furrow with six promarginal and three retromarginal teeth.

Colouration in ethanol (Fig. 2 A and B). Carapace light brown, without distinct pattern, fovea reddish; cephalic region slightly narrowed and slightly darker, cervical groove and radial grooves indistinct; tegument smooth, marginally clothed with short, fine hairs. Eyes: in dorsal view, AER slightly recurved, PER almost straight, the latter wider than the former. Chelicerae robust and light reddish-brown. Sternum yellowish-white. Labium and endites light orange. Legs coloured as sternum, without distinct markings. Abdomen elongate, oval, with a thick tuft of setae anteriorly; dorsally with a lengthwise pink heart mark which is shaped like double-edged spear, reaching posterior half. Venter uniformly creamy white, without markings.

Epigyne (Fig. 2 E – H). Epigynal plate ca. 1.3 × wider than long, anterior and lateral margin not rebordered; posterior margin heavily sclerotised and convex medially, with a downward-protruding edge, forming an inverted trapezoidal outline; spermathecae and copulatory ducts are prominently through epigynal plate in ventral view. Copulatory openings (CO) close together, apple-shaped, moderately large, ca. 1 / 6 of epigyne length and 1 / 9 of epigyne width. Copulatory ducts (CD) long and slender, almost parallel and ascending dorsally, extending above anterior surface of spermathecae, then retracing ventrally, curving along inter-posterior surface of spermathecae, finally entering the connecting piece between the spermathecae and bursae. Both primary spermathecae (Sp 1) and secondary spermathecae (Sp 2) hyaline, surface smooth, with the former located anteromedially to latter. Primary spermathecae globular, moderately large, diameter ca. 1 / 5–1 / 4 the width of epigyne; two primary spermathecae close together; spermathecal gland (SG) distinctly small, papilliform, located at the anterolateral surfaces of primary spermathecae. Secondary spermathecae kidney-shaped, anteriorly close together, posteriorly slightly curved and widely separated by ca. 1.6 widths. Fertilisation ducts (FD) membranous, acicular, ca. half primary spermathecae diameter, on their anterior surfaces.

Male (Fig. 2 C and D). Total length 4.43; carapace 1.97 long, 1.48 wide; abdomen 2.46 long, 1.34 wide. Eye sizes and interdistances: AME 0.11, ALE 0.11, PME 0.10, PLE 0.12, AME – AME 0.06, AME – ALE 0.03, PME – PME 0.22, PME – PLE 0.11, MOQL 0.30, MOQA 0.26, MOQP 0.42. Sternum 1.04 long, 0.74 wide. Leg measurements: I 5.81 (1.61, 2.38, 1.23, 0.59), II 6.01 (1.65, 2.47, 1.24, 0.65), III 4.82 (1.36, 1.73, 1.26, 0.47), IV 6.97 (1.97, 2.30, 2.13, 0.57). Leg formula: IV-II-I-III. Cheliceral furrow with six anterior and without posterior teeth.

Pattern and colouration (Fig. 2 C and D). As in females, but body slightly lighter and smaller (see Xin et al. (2020) for others described).

Palp (Fig. 3 A – D). Femur unmodified. Patella with a distinct, thumb-like, small ventral apophysis (PA) originating distally, ca. 1 / 3 of patella length. Tibia short, ca. 1 / 3 of cymbium (Cy) length; retrolateral tibial apophysis (RTA) ca. 1.3–1.4 × the tibia length, base broad, tip pointed, petal-shaped in retrolateral view. Tegulum (Te) elongated-oval, ca. 2.1 × longer than wide, apically with a distinctly, semicircular hump (TH); sperm duct long and meandering; subtegulum (ST) large, nearly as long as tegulum, prolateral surface partly membranous, wrinkled and ribbed, with numerous diagonal ridges. Embolar base (EB) represented by a long and flat sclerite, inserted at approximately the 8–11 o’clock position of the tegulum, apical margin serrated, medially bearing one subtriangular process (EBP), proximal margin smooth curved; EBP small, its length ca. 1 / 5 width of embolar base, apex pointing retrolaterally; free part of embolus (Em) slender and flagelliform, bent 90 degrees ventrally and angled across tegular hump, stretched proximally on groove-like conductor, tip (ET) extending basad more than 3 / 4 length of tegulum, terminating at approximately 4 or 5 o’clock position. Conductor (C) area relatively large, approximately 2 / 5 tegulum width and 4 / 5 tegulum length.

DNAbarcodes:

5 ' ATAGTAGGAACGGCTATAAGAGTTTTGATTCGAATGGAATTAGGGCAATCTGGAACATTTTTGGGAGATGATCATCTATATAATGTAGTGGTTACAGCTCATGCTTTTGTAATAATTTTTTTTATAGTGATACCAATTTTGATTGGAGGATTTGGAAATTGAATAGTTCCAATAATATTGGGAGCAGCTGATATAGCTTTTCCTCGAATAAATAATTTGAGATTTTGATTGTTACCTCCTTCTTTATTTTTATTATTTATTTCTTCTATAGCTGAAATGGGAGTTGGAGCAGGATGAACAGTGTATCCTCCTCTTGCTTCTACTGTAGGCCATATAGGGAGAGCTATGGATTTTGCTATTTTTTCTTTACATTTAGCTGGAGCCTCTTCTATTATAGGGGCAGTTAATTTTATTACTACTATTATTAATATACGATCTGTAGGTATGAGTATAGAAAAGGTTCCTTTATTTGTATGATCTGTATTAATTACAGCAGTATTATTATTATTATCTTTACCTGTATTAGCGGGTGCAATTACTATATTATTAACTGATCGTAATTTTAATACTTCTTTCTTTGATCCAGCGGGGGGAGGAGATCCTATTTTATTTCAACATTTATTTTGATTTT 3 '

( YHGY 403; female from Ya’an; GenBank accession number: PV 868257).

5 ' ATGGTAGGGACGGCTATAAGAGTTTTGATTCGAATGGAATTAGGTCAATCTGGAACATTTTTGGGAGATGATCATCTATATAATGTAGTGGTTACAGCTCATGCTTTTGTAATAATTTTTTTTATAGTGATACCAATTTTGATTGGAGGATTTGGAAATTGAATAGTTCCAATAATATTGGGAGCAGCTGATATAGCTTTTCCTCGAATGAATAATTTGAGATTTTGATTGTTACCACCTTCTTTATTTTTATTATTTATTTCTTCTATAGCTGAAATGGGAGTTGGAGCAGGATGAACAGTATATCCTCCTCTTGCTTCTACTGTAGGTCATATAGGGAGAGCTATGGATTTTGCTATTTTTTCTTTACATTTAGCTGGAGCCTCTTCTATTATAGGGGCAGTTAATTTTATTACTACTATTATTAATATACGATCTGTAGGTATGAGTATAGAAAAGGTTCCTTTATTTGTATGATCTGTATTAATTACAGCAGTATTATTATTATTATCTTTACCTGTATTAGCAGGTGCAATTACTATATTATTAACTGATCGTAATTTTAATACTTCTTTCTTTGACCCGGCGGGGGGAGGAGATCCTATTTTATTTCAACATTTATTTTGATTTT 3 '

( YHGY 404; male from Ya’an; GenBank accession number: PV 868260).

5 ' ATAGTAGGAACGGCTATAAGAGTTTTGATTCGAATGGAATTAGGGCAATCTGGAACATTTTTGGGAGATGATCATCTATATAATGTAGTGGTTACAGCTCATGCTTTTGTAATAATTTTTTTTATAGTAATACCAATTTTGATTGGAGGATTTGGAAATTGAATAGTTCCAATAATATTGGGAGCAGCTGATATAGCTTTTCCTCGAATAAATAATTTGAGATTTTGATTGTTACCTCCTTCTTTATTTTTATTATTTATTTCTTCTATAGCTGAAATGGGAGTTGGAGCAGGATGAACAGTGTATCCTCCTCTTGCTTCTACTGTAGGTCATATAGGGAGAGCTATGGATTTTGCTATTTTTTCTTTACATTTAGCTGGAGCCTCTTCTATTATAGGGGCAGTTAATTTTATTACTACTATTATTAATATACGATCTGTAGGTATGAGTATAGAAAAGGTTCCTTTATTTGTATGATCTGTATTAATTACAGCAGTATTATTATTATTATCTTTACCTGTATTAGCGGGTGCAATTACTATATTATTAACTGATCGTAATTTTAATACTTCTTTCTTTGATCCAGCGGGGGGAGGAGATCCTATTTTATTTCAACATTTATTTTGATTTT 3 '

( YHGY 405; male from Guiyang; GenBank accession number: PV 868258).

5 ' ATAGTAGGAACGGCTATAAGAGTTTTGATTCGAATGGAATTAGGGCAATCTGGAACATTTTTGGGAGATGATCATCTATATAATGTAGTGGTTACAGCTCATGCTTTTGTAATAATTTTTTTTATAGTAATACCAATTTTGATTGGAGGATTTGGAAATTGAATAGTTCCAATAATATTGGGAGCAGCTGATATAGCTTTTCCTCGAATAAATAATTTGAGATTTTGATTGTTACCTCCTTCTTTATTTTTATTATTTATTTCTTCTATAGCTGAAATGGGAGTTGGAGCAGGATGAACAGTGTATCCTCCTCTTGCTTCTACTGTAGGTCATATAGGGAGAGCTATGGATTTTGCTATTTTTTCTTTACATTTAGCTGGAGCCTCTTCTATTATAGGGGCAGTTAATTTTATTACTACTATTATTAATATACGATCTGTAGGTATGAGTATAGAAAAGGTTCCTTTATTTGTATGATCTGTATTAATTACAGCAGTATTATTATTATTATCTTTACCTGTATTAGCGGGTGCAATTACTATATTATTAACTGATCGTAATTTTAATACTTCTTTCTTTGATCCAGCGGGGGGAGGAGATCCTATTTTATTTCAACATTTATTTTGATTTT 3 '

( YHGY 406; female from Guiyang; GenBank accession number: PV 868259).

Diagnosis

Females of C. huaban are similar to those of C. baimaensis Song & Zhu, 1991 by their globular primary spermathecae (Sp 1) and copulatory ducts (CD) with similar courses (Fig. 2 G and H; Yang et al. (2003): figs. 4 A and B; Zhang (2018): figs. 18-1 C and D), but can be recognised by: (1) posterior margin of epigynal plate distinctly protruding (vs. slightly protruding) (cf. Fig. 2 E and F and Yang et al. (2003): fig. 4 A; Zhang (2018): figs. 18-1 C); (2) secondary spermathecae (Sp 2) kidney-shaped, posteriorly slightly curved (vs. oval, not curved) (cf. Fig. 2 G and H and Yang et al. (2003): fig. 4 B; Zhang (2018): figs. 18-1 D). Males of C. huaban also resemble those of C. baimaensis Song & Zhu, 1991 in the general shape of the male palp. The palps of both species share similarly-shaped retrolateral tibial apophysis (RTA), but differ in the following: (1) embolar base process (EBP) subtriangular, inserted at retrolateral rim of embolar base (EB) (vs. tooth-shaped, inserted at anterior rim of EB) (cf. Fig. 3 B, D and E and Yang et al. (2003): fig. 4 D; Zhang (2018) figs. 18-1 E); (2) embolus (E) relatively longer, extending basally for more than 3 / 4 tegulum length and terminating at approximately 4 or 5 o’clock position (vs. shorter, extending basally for ca. 1 / 2 tegulum length and terminating at approximately 3 o’clock position) (cf. Fig. 3 B, D and E and Yang et al. (2003): fig. 4 D; Zhang (2018) figs. 18-1 E and G); (3) conductor (C) area relatively longer, approximately 4 / 5 tegulum length (vs. shorter, approximately 2 / 3 tegulum length) (cf. Fig. 3 B, D and E and Yang et al. (2003): fig. 4 D; Zhang (2018) figs. 18-1 E and G).

Distribution

China (Guizhou, Sichuan). The new collections extend the known range of this species by ~ 510 km to the northwest (Yucheng District of Ya’an City, Sichuan) from the type locality (Xiangzhigou Scenic Spot of Guiyang City, Guizhou) (Fig. 1 ).

Figures

Figure 1. Distribution records of Clubiona huaban.

Figure 2. Clubiona huaban, female and male from Guiyang, female habitus (A, B), male habitus (C, D) and epigyne (E – H). A Dorsal view; B Ventral view; C Dorsal view; D Lateral view; E Intact, ventral view; F Cleared and macerated, ventral view; G Cleared and macerated, dorsal view; H Cleared and embedded in Arabic gum, dorsal view (dashed line in H showing schematic course of copulatory duct, dorsal). Abbreviations: CD = copulatory ducts; CO = copulatory opening; FD = fertilisation duct; SG = spermathecal gland; Sp 1 = primary spermatheca; Sp 2 = secondary spermatheca. Scale bars: 1 mm (equal for A, B, equal for C, D); 0.2 mm (equal for E – H).

Figure 3. Clubiona huaban, male from Guiyang, male palp A Prolateral view; B Retrolateral view; C Bulb, prolateral view; D Bulb, ventral view; E Bulb, retrolateral view. Abbreviations: C = conductor; Cy = cymbium; EB = embolar base; EBP = embolar base process; Em = embolus; ET = embolar tip; PA = patellar apophysis; RTA = retrolateral tibial apophysis; SD = sperm duct; St = subtegulum; Te = tegulum; TH = tegular hump. Scale bars: 0.2 mm (equal for A, B, equal for C – E).