Vesubia jugorum

Vesubia jugorum (Simon, 1881) (Figs 1-6) Trabea jugorum Simon, 1881: 83. Lycosa jugorum – Simon 1898: 338 (transferred from Trabea). Vesubia jugorum – Simon 1909: 402; 1937: 1122, 1141, fig. 1775 (female). — Tongiorgi 1968: 111, fig. 2, plate I, fig. 5-6 (female); 1969: 257, figs 1-3 (male and female). — Maurer & Thaler 1988: 331, fig. 14 (male). — Trotta 2005: 169, fig. 344-347 (male and female). TYPE MATERIAL. — Syntypes. France • 2 ♀; Saint-Martin-Vésubie; MNHN 4131 (Fig. 3A) and MNHN-AR-AR21647 (Fig. 3B). OTHER MATERIAL EXAMINED. — France • ♀; Col du Trem, Vallée de Merveilles, Saorge; 5.IX.2019; M. Isaia leg.; coloration and genitalia as per genus; coll. MI. Italy • ♂; Bocchin dell’Aseo, Mongioie; 18.IX.2019; Isaia leg.; coloration and genitalia as per genus; coll. MI. DIAGNOSIS. — Same as per genus. DISTRIBUTION. — The known distribution range covers an area of approximately 2500 km 2, centred in South Western Alps (Italy and France). The current updated distribution of Vesubia jugorum (fig. 1 in Milano et al. 2023) encompasses the Province of Cuneo in north-western Italy (66 localities), the Département des Alpes-Maritimes (24 localities) and the département des Alpes-de-Haute-Provence (20 localities), in south-eastern France. DESCRIPTION Female (specimen from Col du Trem) Spination pattern. Femur I p 0-d1-d1 d 1-1-0 r 0-d1-d1, II p 0-d1-d1, d 1-1-0 r 0-d1-0, III p d1-0-0, d 1-1-0, r d1-d1- d1, IV p d1-0-d1 d 1-1-1 r 0-0-d1; patella I 0, II 0, III p 1 r 1, IV p 1 r 1; tibia I p 1-1-0 v 2-2-2ap, r 1-v1-0; II p 1-1-0, v 2-2-2ap, r 1-v1-0, III p d1-1 d d1-1-0 r 1-1-0 v 2-2-2ap, IV p 1-0-1 d 1-0-1 r 1-0-1 v 2-2-2ap; metatarsus I p 0-1-1ap r 0-1-0 v 2-2-2ap, II p 1-1-1ap, r 0-1-1ap v 2-2-1ap, III p 1-1-2ap r 1-1-2ap v 2-2-1ap, IV p 1-1-2ap r 1-1-2ap v 2-2- 1ap. Leg formula: 4123 Measurements. TL 14.76, CL 8.38, CW 6.12, CH 2.53. Eyes: AME 0.20, ALE 0.20, PME 0.67, PLE 0.40. Row of eyes: AER 1.53, PME 1.92, PLE 2.47. Legs: length of segments (femur + patella/tibia + metatarsus + tarsus = total length): I 5.99 + 8.25 + 5.32 + 2.93 = 22.49, II 5.99 + 7.98 + 4.52 + 2.39 = 20.88, III 5.72 + 7.32 + 4.92 + 2.39 = 20.35, IV 6.65 + 8.91 + 7.85 + 3.46 = 26.87. Leg formula 4123. Male (specimen from Bocchin dell’Aseo) Spination pattern. Femur I p 0-0-d1 d 1-1-1 r 0-d1-d1, II p 0-d1-d1, d 1-1, r d1-d1, III p 0-d1-d1, d 1-1-1 r d1-d1-d1, IV p d1-d1 d 1-1-0 r 0-0-d1; patella I p 1, II p 1 r 1, III p 1 r 1, IV p 1 r 1; tibia I p 1, v 2-2-2-2ap, r 1, II p 1-0-0 v 2-2-2-2ap, r -1-0-0, III p 1-1, d 1-1, r 1-1, v 2-2-0-2ap, IV p 1-1 d 1-1 r 1-1 v 2-2-0-2ap; metatarsus I p d1-d1-1ap, v 2-2-0-2ap, r 1-1-1ap, II p 1-1-1ap, r 1-1-1ap, v 2-2-2ap, III p 1-1-2ap, r 1-1-2ap, v 2-2-1ap, IV p 1-1-2ap r 1-1-2ap v 2-2-1ap. Leg formula 4123. Measurements. TL 11.70, CL 6.65, CW 5.32, CH 2.79. Eyes: AME 0.20, ALE 0.20, PME 0.67, PLE 0.53. Row of eyes: AER 1.27, PME 1.67, PLE 2.13. Legs: length of segments (femur + patella/tibia + metatarsus + tarsus = total length): I 5.99 + 7.98 + 5.32 + 2.53 = 21.82, II 5.59 + 7.71 + 4.66 + 2.39 = 20.35, III 5.45 + 7.71 + 4.39 + 2.39 = 19.94, IV 6.78 + 8.11 + 8.11 + 3.33 = 26.33. Leg formula 4123. NATURAL HISTORY Life history information was reported through recent research focusing on the conservation of this species (Mammola et al. 2016; 2019; Milano et al. 2023). Due to its tight ecological requirements and its sensitivity to temperature increase due to global warming, in 2018 the species was assessed as Endangered in the IUCN Redlist (Isaia & Mammola 2018). CONSERVATION STATUS Endangered B1ab (see Mammola et al. 2016; Isaia & Mammola 2018).