Euscorpius Thorell, 1876

Kovařík, František, Audy, Marek, Sarbu, Serban M. & Fet, Victor, 2023, Euscorpius sulfur sp n (Scorpiones Euscorpiidae) a new cave scorpion from Albania and northwestern Greece, Euscorpius 376, pp. 1-14 : 1

Euscorpius Thorell, 1876

( Figures 1–50 , Table 1) http://zoobank.org/urn:lsid:zoobank.org:act:CEC71123-

0F84-45DD-857E-2D4702C2FD80

Euscorpius Thorell, 1876: 15 ; Fet & Sissom, 2000: 357–377 (in part, complete reference list until 1998); KovařÍk & ŠťÁhlavský, 2020: 1–37, figs. 1–186, tabs. 1–4; KovařÍk et al., 2020: 1–17, figs 1–61, tabs. 1–2; Tropea et al., 2020: 185–197, figs. 1–24, tabs. I–IV; Podnar et al., 2021: 1–26, figs. 1–9.

TYPE SPECIES. Scorpio carpathicus Linnaeus, 1767

DIAGNOSIS. Total length 20–50 mm. Movable fingers of pedipalp chela with MD aligned in a single straight row along entire length of chela fingers; ID, IAD (5 in number) and OD present. OD are displaced to outer aspect of fingers. Pedipalp chela flat in appearance. Trichobothrial pattern type C. Two subdistal denticles present on cheliceral movable finger dorsal edge. Ventral edge of cheliceral movable finger smooth; serrula absent. Two pedal spurs present on legs. Tarsal spurs on legs absent. Sternum pentagonal in shape. Hemispermatophore lamelliform in shape with broad trunk and distal lamina. Telson without subaculear tubercle. Metasoma I–IV with single median carina usually absent.

Figures

Figures 1–2: Euscorpius sulfur sp. n., females paratopotypes in vivo habitus under UV (1, photograph by Ruxandra Nitescu) and white (2, photograph by Traian Brad) light.

Figures 3–6: Euscorpius sulfur sp. n. Figures 3–4. Male holotype in dorsal (3) and ventral (4) views. Figures 5–6. Female paratopotype in dorsal (5) and ventral (6) views. Scale bars: 10 mm.

Figures 7–14: E. sulfur sp. n. Figures 7, 9, 11–14. Male holotype, carapace and tergites I–III (7), coxosternal area and sternites (9), left legs I–IV, retrolateral aspect (11–14 respectively). Figures 8, 10. Female paratopotype, carapace and tergites I–III (8), coxosternal area and sternites III–IV (10).

Figures 15–22: E. sulfur sp. n. Figures 15. Male paratype, telson lateral. Figures 17–19. Male holotype, metasoma and telson lateral (17), dorsal (18), and ventral with sternite VII (19) views. Figures 16, 20–22. Female paratopotype, telson lateral (16), metasoma and telson lateral (20), dorsal (21), and ventral (22) views. Scale bars: 10 mm (17–22).

Figures 23–32. E. sulfur sp. n., male holotype, pedipalp segments. Chela dorsal (23), external (24) and ventral (25) views. Patella dorsal (26), external (27) and ventral (28) views. Trochanter and femur dorsal (29) and ventral (30) views. Movable (31) and fixed (32) finger dentition.

Figures 33–41. E. sulfur sp. n., female paratopotype, pedipalp segments. Chela dorsal (33), external (34) and ventral (35) views. Patella dorsal (36), external (37) and ventral (38) views. Trochanter and femur dorsal (39) and ventral (40) views. Movable finger dentition (41) Trichobothrial pattern is indicated by white circles (33–39).

Figures 42–49. E. sulfur sp. n., female juvenile paratype from Turtle Cave, pedipalp segments.Chela dorsal (42), external (43) and ventral (44) views. Patella dorsal (45), external (46) and ventral (47) views. Trochanter and femur dorsal (48) and ventral (49) views.

Figures 50–51. Figure 50. Map of distribution of E. sulfur sp. n. Figure 51. A map of Sulfur Cave. Surveyes by M. Audy, R. Bouda, drawn by M. Audy (Czech Speleological S ociety 2021).