Songthela zhongpo Zhang & Xu, 2023
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publication ID |
https://dx.doi.org/10.3897/zookeys.1154.98273 |
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publication LSID |
lsid:zoobank.org:pub:B1C06376-F175-41F4-B772-DB50278C5C76 |
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persistent identifier |
https://treatment.plazi.org/id/A5692990-DD85-4BDA-BE44-953DED723609 |
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taxon LSID |
lsid:zoobank.org:act:A5692990-DD85-4BDA-BE44-953DED723609 |
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treatment provided by |
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scientific name |
Songthela zhongpo Zhang & Xu |
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sp. nov. |
Songthela zhongpo Zhang & Xu sp. nov.
Figs 6 View Figure 6 , 7 View Figure 7
Type material.
Holotype: China · 1 ♂; Hunan Province, Huaihua City, Hecheng District, Zhongpo Forest Park; 27.57°N; 110.96°E; alt. 330 m; 17 September 2021; Z.Y. Chen, X. Xu, Y. Zhan, Y. Zhang leg.; XUX-2021-264 (matured on 3 August 2022). Paratypes: China · 3 ♂ 9 ♀; same data as for the holotype, alt. 300-345 m; XUX-2021-258, 259, 260, 261, 262 (matured on 18 September 2022), 263 (matured on 20 July 2022), 265, 266, 267 (matured on 26 July 2022), 267A, 267B, 267C.
Diagnosis.
Male of S. zhongpo sp. nov. resembles those of S. dapo , S. lingshang , and S. xiujian , by apical spine of conductor with slightly wider base (Fig. 6A, D, E, H-K View Figure 6 ), but can be distinguished from S. dapo by tegulum with smaller terminal apophysis (Fig. 6C, F, G View Figure 6 ); from S. lingshang by contrategulum with slightly larger teeth (Fig. 6D, F, G, L View Figure 6 ), conductor with fewer teeth in middle part (Fig. 6A, D, E, H-K View Figure 6 ), and tegulum with a small terminal apophysis (Fig. 6C, F, G View Figure 6 ); from S. xiujian by tegulum with arched marginal apophysis (Fig. 6G View Figure 6 ), and contrategulum with slightly smaller apophysis proximally (Fig. 6A, L View Figure 6 ); from S. anhua sp. nov. by apical spine of conductor narrower and longer (Fig. 6A, B, D, H-K View Figure 6 ); from S. longhui sp. nov. by apical spine of conductor with slightly narrower base (Fig. 6A, H-K View Figure 6 ), and surface of dorsal extension of the tegular terminal apophysis with several ridges (Fig. 6G View Figure 6 ); from those of other species of Songthela multidentata -group by contrategulum with two dentate margins in middle part (Fig. 6D, L View Figure 6 ), by apical spine of conductor with slightly wider base and gradually becomes elongated distally (Fig. 6A, D, E, H-K View Figure 6 ); from those of other Songthela species by middle part of the conductor with several teeth (Fig. 6A, B, D, E, H-K View Figure 6 ).
Female of S. zhongpo sp. nov. can be distinguished from S. anhua sp. nov. by the lateral receptacular clusters with slightly longer genital stalks, and arched anterior margin of bursa copulatrix (Fig. 7A-D View Figure 7 ); from S. longhui sp. nov. by median receptacular clusters with shorter genital stalks (Fig. 7A-D View Figure 7 ); from S. multidentata by median receptacular clusters with thicker genital stalks (Fig. 7A-D View Figure 7 ), from S. tianzhu by lateral genital stalks slightly longer (Fig. 7A, D View Figure 7 ); from those of other species of Songthela multidentata -group by median receptacular clusters with slightly thicker genital stalks, and lateral ones with distinct genital stalks (Fig. 7A-H View Figure 7 ); from those of other Songthela species by two pairs of receptacular clusters situated on dorsal wall of bursa copulatrix (Fig. 7A-H View Figure 7 ).
Description.
Male (holotype). Carapace black brown; opisthosoma dark brown, with 12 brown tergites attached a pair of thick bristles, the second to fifth larger than others and the fourth largest; sternum narrow, much longer than wide; a few pointed hairs running over ocular area; chelicerae robust with promargin of cheliceral groove with 11 denticles of variable size; legs with sturdy hairs and spines; 7 spinnerets. Measurements: BL 13.53, CL 5.96, CW 5.44, OL 7.19, OW 5.94; ALE> PLE> PME> AME; leg I 18.97 (5.30 + 2.29 + 3.95 + 4.93 + 2.50), leg II 19.13 (4.99 + 2.33 + 3.93 + 5.24 + 2.64), leg III 21.49 (5.25 + 2.46 + 3.91 + 6.52 + 3.35), leg IV 27.19 (6.62 + 2.84 + 5.17 + 8.59 + 3.97).
Palp. Paracymbium unpigmented and unsclerotised prolaterally, with several setae and spines on the tip (Fig. 6A-C View Figure 6 ). Contrategulum with a triangular apophysis proximally and with a dentate edge in distal and proximal portions, while with two dentate margins in the middle part (Fig. 6A, D, F, G, H-K View Figure 6 ). Tegulum with an arched helicoid marginal apophysis, a helicoid dorsal extension of the terminal apophysis, and a thumb-shaped terminal apophysis retrolaterally (Fig. 6C, E-G View Figure 6 ). Conductor fused with embolus basally and having several teeth in the middle part, the long apical spine with a spinule basally and pointed to the one-fourth of opening of embolus proximally (Fig. 6A, B, D-K View Figure 6 ). Embolus largely sclerotized, with a wide and flat opening, numerous longitudinal ribs in middle and distal portion (Fig. 6B, D-F View Figure 6 ).
Female (XUX-2021-258). Carapace reddish brown and opisthosoma light brown, with 12 dark brown tergites attached a pair of thick bristles, the second to fifth larger than remaining ones and the fourth largest; sternum narrow, much longer than wide; a few pointed hairs running over ocular area; chelicerae robust with promargin of cheliceral groove with 11 denticles of variable size; legs with sturdy hairs and spines; 7 spinnerets. Measurements: BL 9.32, CL 4.62, CW 3.95, OL 3.93, OW 3.31; ALE> PLE> PME> AME; palp 8.57 (3.05 + 1.56 + 1.84 + 2.12), leg I 9.17 (2.57 + 1.79 + 1.82 + 1.76 + 1.23), leg II 8.57 (1.96 + 1.65 + 1.77+ 1.84 + 1.35), leg III 9.72 (2.62 + 1.58 + 1.74 + 2.27 + 1.51), leg IV 14.28 (4.07 + 1.90 + 2.67 + 3.61 + 2.03).
Female genitalia. Four receptacular clusters situated on the dorsal side of the bursa copulatrix; the middle ones with thick genital stalks close to each other, fused together basally and separated from each other distally (Fig. 7A-C View Figure 7 ), or the middle genital stalks fused as one (Fig. 7D View Figure 7 ); the lateral receptacular clusters similar to or smaller than the middle ones; the posterior margin of the bursa copulatrix sclerotized, the posterior margin of the genital area wide and straight (Fig. 7A, D View Figure 7 ), or incurved in the middle (Fig. 7B, C View Figure 7 ).
Variation.
Males and females vary in body size, cheliceral teeth and spinnerets. Range of measurements in males (N = 4): BL 12.54-13.80, CL 4.96-6.09, CW 5.29-5.89, OL 6.02-7.19, OW 4.23-5.94. The number of cheliceral teeth varies from 11 to 13. There are 6 or 8 spinnerets (N = 4). Females (N = 9): BL 9.32-13.77, CL 4.62-6.40, CW 3.95-5.49, OL 3.93-6.32, OW 3.31-5.14. The number of cheliceral teeth varies from 10 to 12. There are 7 or 8 spinnerets (N = 9). In addition, male palp and female genitalia also show intraspecific variations: in males, the apical spine of conductor with a spinule in the middle part (Fig. 6H View Figure 6 ) or basally (Fig. 6A, D, I-K View Figure 6 ); the middle of conductor with more teeth (Fig. 6I, L View Figure 6 ) or relatively few teeth (Fig. 6H, K View Figure 6 ). In females, the middle pair of receptacular clusters similar (Fig. 7B View Figure 7 ) to or slightly larger than the lateral ones (Fig. 7A, C View Figure 7 ), the middle genital stalks fused together basally and separated from each other distally (Fig. 7A, C View Figure 7 ), or the middle genital stalks Y-shaped (Fig. 7B View Figure 7 ), or fused together totally (Fig. 7D View Figure 7 ).
Etymology.
The species epithet, a noun in apposition, refers to the type locality.
Distribution.
Hunan (Huaihua), China
Remarks.
The three new species from Hunan Province, China can be assigned into the Songthela multidentata -group based on the following characters of both male palp and female genital morphology: 1) conductor of male palp with one apical spine and the middle part covered several teeth; 2) female genitalia with two pairs of receptacular clusters situated on the dorsal side of the bursa copulatrix; and 3) the posterior margin of the bursa copulatrix of female genitalia pigmented and sclerotised.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.