Anatextrix monstrabilis, Kaya & Zamani & Yağmur & Marusik, 2023

Kaya, Rahsen S., Zamani, Alireza, Yagmur, Ersen Aydin & Marusik, Yuri M., 2023, A new species of Anatextrix Kaya, Zamani, Yagmur & Marusik, 2023 (Araneae, Agelenidae, Textricini) from southern Tuerkiye, with a remarkable morphology of the male palpal femur, Zoosystematics and Evolution 99 (2), pp. 299-305 : 299

Anatextrix monstrabilis sp. nov.

Figs 1A, B , 2A-E , 3A-E , 4A-F , 5A-E

Type material.

Holotype ♂ (ZMUU), Türki̇yе: Adana Province: Pozantı District, Akçatekir Village, 37°19'29"N, 34°46'33"E, 1336 m elev., 27.09.2018, hand collection (R.S. Kaya and E.A. Yağmur); Paratypes: 1♂2♀ (ZMUT), same data as for the holotype; 2♂2♀ (AZMM), same data as for the holotype; 10♂12♀ (ZMUU), same data as for the holotype.

Etymology.

The specific epithet is derived from the Latin " Anatextrix monstrabilis ", meaning "remarkable, excellent".

Diagnosis.

The new species differs from the generotype, A. spectabilis , by having the male palpal femur bent at a right angle at the mesal part (vs. slightly bent at distal part), having no distal bulge (vs. present), a less protruding tip of the conductor (Ct) and a smaller dorsal extension of the conductor (Dc) (cf. Fig. 2A, F ). The female of the new species differs from that of A. spectabilis by having diverging copulatory ducts (Cd) (vs. parallel; cf. Fig. 5A, F ).

Description.

Male (holotype). Habitus as in Fig. 1B . Total length 6.28. Carapace 3.17 long, 1.03 wide at pars cephalica, 2.18 wide at pars thoracica. Eye sizes: AME: 0.10, ALE: 0.14, PME: 0.20, PLE: 0.14. Carapace, sternum, labium and maxillae light brown; carapace with darker submedian bands. Chelicerae light reddish brown, with 3 pro- and 2 retromarginal teeth. Legs yellowish brown, with annulations. Abdomen dorsally dark greyish with lighter foliate pattern, light greyish ventrally. Spinnerets light greyish, darker basally. Measurements of legs: I: 7.04 (1.87, 0.88, 1.43, 1.74, 1.12), II: 7.06 (1.92, 0.89, 1.39, 1.78, 1.08), III: 7.09 (1.90, 0.85, 1.34, 1.90, 1.10), IV: 8.85 (2.25, 0.89, 1.78, 2.67, 1.26). Spination as shown in Table 1 .

Palp as in Figs 2A-E , 3A-E , 4A-F ; femur strongly modified, bent at right angle in mid-part, with proximal bulge (Rt) and two digitiform outgrowths (So and Sp); patella with ventral apophysis (Va); tibial about as long as wide, with small retrolateral apophysis extended retrolaterally (Rt) and ventral keel (Kt); tip of conductor with three processes in lateral view (Fig. 2A, C ).

Female (paratype, ZMUT). Habitus as in Fig. 1A . Total length 6.33. Carapace 3.02 long, 1.01 wide at pars cephalica, 1.80 wide at pars thoracica. Eye sizes: AME: 0.10, ALE: 0.13, PME: 0.21, PLE: 0.15. Colouration as in male. Measurements of legs: I: 6.00 (1.59, 0.76, 1.23, 1.49, 0.93), II: 5.89 (1.62, 0.80, 1.14, 1.44, 0.89), III: 6.15 (1.69, 0.79, 1.19, 1.52, 0.96), IV: 7.95 (2.07, 0.85, 1.68, 2.26, 1.09). Spination as shown in Table 1 .

Epigyne as in Fig. 5A-E ; septum (Se) well distinct in posterior part; copulatory ducts (Cd) subparallel posteriorly and diverging anteriorly; receptacles (Re) elongated, ca. 3 times longer than wide, located anteriorly.

Natural history.

The type locality of the new species is located in the Eastern Taurus Mountain range. This species inhabits montane forests dominated by Taurus fir ( Abies cilicica Carr.). All examined specimens were collected from their funnel-webs constructed under the rocks, crevices in the soil and trunks of fallen trees, in rocky areas along the forest (Fig. 6B ).

Distribution.

Known only from the type locality in Adana Province, southern Türkiye (Fig. 7 ).

Figures

Figure 1. Female (A) and male (B) of Anatextrix monstrabilis sp. nov., dorsal view of the habitus.

Figure 2. Male palps of Anatextrix monstrabilis sp. nov. (A-E) and A. spectabilis (F, G). A, F. Full palp, retrolateral view; B, G. Same, prolateral view; C-E. Palp with femur detached, ventral, prolateral and anterior views. Scale bars: 0.2 mm, unless stated otherwise. Abbreviations: Ca - anterior arm of conductor, Cf - cymbial fold, Cp - posterior arm of conductor, Ct - ventral tip of conductor, Db - distal bulge, Dc - dorsal extension of conductor, Eb - base of embolus, Kt - ventral keel, Rt - proximal bulge, Pt - prolateral apophysis, Rt - retrolateral apophysis, So - stump-like outgrowth, Sp - spine-like outgrowth, Va - ventral apophysis. F and G are reproduced from Kaya et al. (2023).

Figure 3. Bulb of Anatextrix monstrabilis sp. nov. A, D. Ventral view; B. Retrolateral view; C. Proventral view; E. Prolateral view. Scale bars: 0.2 mm.

Figure 4. Male palpal femur of Anatextrix monstrabilis sp. nov. A. Prolateral view; B. Retrolateral view; C. Ventral view; D. Anterior view; E. Dorsal view; F. Posterior view. Scale bars: 0.2 mm.

Figure 5. Epigynes of Anatextrix monstrabilis sp. nov. (A-E) and A. spectabilis (F, G). A, F. Intact epigyne, ventral view; B. Macerated epigyne, ventral view; C, D, G. Vulva, dorsal view; E. Same, dorsolateral view. Scale bars: 0.2 mm. Abbreviations: Cd - copulatory duct, Fd - fertilisation duct, Oc - copulatory opening, Re - receptacle, Se - septum. F and G are reproduced from Kaya et al. (2023).

Figure 6. Habitats of species of Anatextrix in Pozanti district of Adana Province, Tuerkiye. A. Habitat of A. spectabilis in Armutoglu; B. Habitat of A. monstrabilis sp. nov. in Akcatekir.

Figure 7. Distribution records of Anatextrix spectabilis (circles) and A. monstrabilis sp. nov. (square).