Mongolicosa lizae, Fomichev, 2021

Fomichev, Alexander A., 2021, New data on the wolf spiders from theAcantholycosa-complex (Araneae: Lycosidae) from the South Siberia, Zootaxa 5026 (4), pp. 567-585 : 581

Mongolicosa lizae sp. n.

Figs 8–9 , 12–13 , 46–53 , 69–71 , 75–76

Types. RUSSIA: Tuva Republic: holotype ♂ ( ISEA, 001.8661), Eastern Tannu-Ola Mountains, watershed of Pravyi Shalash River and Choza River , 10 km NNE from Argalyg-Kozhagar Mt. , 50°58’N, 92°26’E, mountain stony tundra and scree, 2700–2900 m, 05.06.2017, A.A. Fomichev ; paratypes: 7♂ 3♀ ( ISEA, 001.8662), 1♀ ( ISEA, 001.8723), together with the holotype; 5♂ 3♀ ( ZMMU), same locality, alpine meadow with scree, 2600–2700 m, 05.06.2017, A.A. Fomichev .

Etymology. The specific name is a matronym in honor of my wife, Elizaveta A. Nepaeva (Barnaul, Russia), who helped in spider collection for this project.

Diagnosis. Mongolicosa lizae sp. n. is most similar to M. buryatica in having a tegular apophysis (Tg) with arms equal in length to each other, a smoothly curved embolus (Em) without a basal spine, and lips of the epigyne (Li) the same height as septal base arms (Sa). The males of the new species can be distinguished from those of M. buryatica by an elongated terminal apophysis (Ta), which surpasses the embolus tip, and thinner basal part of the embolus (cf. Figs 46, 50 and fig. 187–188 in Marusik et al. 2004). The females can be distinguished from those of M. buryatica by having distinct apical pocket (Ap) composed by two separate hoods (cf. Fig. 69 and fig. 213 in Marusik et al. 2004).

Description. Male (holotype). Total length 8.2. Carapace: 4.2 long, 3.25 wide. General appearance as in Fig. 8 . Coloration. Carapace dark brown, almost black. Eye field black. Sternum dark gray. Labium and endites yellowgray. Chelicerae dark brown. Palps: Fe–Pt dark brown, Ti and cymbium black. Coxae yellow-gray with yellow spots. Legs dark brown dorsally, yellow-gray ventrally. Fe of all legs darker than others segments. Abdomen dark gray dorsally, almost black. Cardiac mark dark brown. Venter of the abdomen gray. Spinnerets black. Spination of leg I: Fe d1-1-1 p0-1-2 r1-1-1; Pa p1 r1; Ti d1-0-1 p1-0-0 r1-0-1 v2-2-2-1-2; Mt p0-1-0 r1-1-0 v2-2-0. Leg measurements: I 3.3, 1.6, 3.0, 3.1, 1.65 (12.65); II 3.3, 1.6, 2.85, 3.15, 1.6 (12.5); III 3.35, 1.55, 2.7, 3.7, 1.6 (12.9); IV 4.15, 1.7, 3.6, 5.55, 2.15 (17.15).

Palp as in Figs 12–13 , 46–53 . Tibia and cymbium covered with dense black setae. Tegular apophysis with two arms, of which the apical arm (Aa) sharply pointed and basal arm (Ba) rounded in ventral view. Palea (Pl) without developed apophysis but with a small sclerotized part retrolaterally. Terminal apophysis long, thin, and slightly curved. Embolus relatively narrow, almost 3 times longer than wide. Embolic tip rounded. Sperm duct (Sd) runs closer to the inner (dorsal) margin of embolus.

Female. Total length 8.8. Carapace: 4.4 long, 3.55 wide. General appearance as in Fig. 9 . Coloration. Carapace dark brown. Sternum, labium and endites yellow-gray. Chelicerae brown. Coxae yellow-gray with yellow spots. Palps brown. Legs yellow-brown. Fe of all legs darker than other segments. Abdomen dark gray dorsally, almost black. Cardiac mark dark brown. Venter of the abdomen yellow-gray. Spinnerets black. Spination of leg I: Fe d1-1-1 p0-1-2 r1-1-1; Ti p1-0-0 r1-0-1 v2-2-2-1-2; Mt p0-1-0 r0-1-0 v2-2-0. Leg measurements: I 3.65, 1.8, 3.3, 3.05, 1.7 (13.5); II 3.7, 1.75, 3.1, 3.1, 1.7 (13.35); III 3.65, 1.65, 2.95, 3.8, 1.7 (13.75); IV 4.6, 1.8, 4.0, 6.0, 2.35 (18.75).

Epigyne and internal genitalia as in Figs 69–71 . Fovea (Fo) pear-shaped, as wide as long. Apical pocket deep. Septal stem (Ss) thickened posteriorly. Septal base (Sb) anchor-shaped, 3 times wider than high, posterior edge triangular. Lips of the epigyne closely spaced. Receptacles (Re) clavate, clearly delineated from copulatory ducts (Cd). Copulatory ducts as long as receptacles, smoothly curved.

Distribution. Known only from the type locality in the Tannu-Ola Mountains ( Figs 75–76 ).

Figures

FIGURES 1–9. General appearance of Acantholycosa sayanensis (1–2), A. kulikovi sp. n. (3), A. levinae (4–5), A. sergeevi sp. n. (6), Mongolicosa lizae sp. n. (8–9) and leg I of A. sergeevi sp. n. (7). 1, 4, 6, 8—male, dorsal; 2, 3, 5, 9—female, dorsal; 7—leg I of male, prolateral. Scale bars=2 mm.

FIGURES 10–19. Male palp (10–13) and bulb (14–19) of Acantholycosa sergeevi sp. n. (10–11), A. sayanensis (14–15), A. sidorovi sp. n. (16–17), A. levinae (18-19) and Mongolicosa lizae sp. n. (12–13). 10, 12—retrolateral; 11, 13, 14, 16, 18— ventral; 15, 17, 19—anterior. Scale bars=0.2 mm.

FIGURES 44–53. Tegulum and subtegulum (44–45, 52–53), bulb (46–48) and embolic division (49–51) of Acantholycosa sergeevi sp. n. (44–45) and Mongolicosa lizae sp. n. (46–53). 44, 46, 49, 52—ventral; 45, 47, 50, 53—anterior; 48, 51— retrolateral. Scale bars=0.2 mm. Abbreviations: Aa apical arm of the tegular apophysis, Ba basal arm of the tegular apophysis, Em embolus, Pl palea, Sd sperm duct, Ta terminal apophysis, Tg tegular apophysis.

FIGURES 63–71. Epigyne and female internal genitalia of Acantholycosa kulikovi sp. n. (63–65), A. levinae (66–68) and Mongolicosa lizae sp. n. (69–71). 63, 66, 69—intact, ventral; 64, 67, 70—macerated, ventral; 65, 68, 71—macerated, dorsal. Scale bars=0.2 mm. Abbreviations: Al apical lips of the epigyne, Ap apical pocket, Cd copulatory ducts, Fo epigynal fovea, Li lip of the epigyne, Re receptacle, Sa septal base arm, Sb septal base, Ss septal stem.

FIGURES 72–77. Male of Acantholycosa sayanensis from Borus Mt. Range (72), female of Acantholycosa sp. (A. azyuzini or A. levinae) with egg sac, from Katunskyi Mt. Range (73), habitat of A. sayanensis and A. sergeevi sp. n. in Borus Mt. Range (74), collecting localities of studied species from the Acantholycosa-complex (75–76) and map showing the main mountain systems of South Siberia and adjacent regions (77). Diamond—A. sayanensis, square—A. sidorovi sp. n., triangle—A. kulikovi sp. n., star—A. levinae, circle—A. sergeevi sp. n., inverted triangle—Mongolicosa lizae sp. n. The frame of Fig. 76 refers to the content of Fig. 75.