Torrenticola nipponica Enami 1940

General features. Idiosoma roundish; dorsal shield with colour pattern as illustrated in Figs 7G-I; Cxgl-4 subapical; excretory pore and Vgl-2 slightly away from the line of primary sclerotization; gnathosoma deep, rostrum shorter than depth of gnathosomal base (Fig. 5D); palp robust and compact, P-2 longer than P-4, P-2 and P-3 ventrodistal projection pointed towards distal, P-4 with well developed ventral tubercles bearing one long and three short setae (Figs 5E-F, 6C). Male: Medial suture line of Cx-II+III short; suture line of Cx-IV medially starting from posterior margin of genital field (Fig. 2B); ejaculatory complex normal in shape (Fig. 5C). Female: Suture of Cx-IV curved (Fig. 2C); genital field pentagonal in shape. Measurements. Male (from South Korea, n = 2; in parentheses specimens from Russia, n = 2) Idiosoma (ventral view: Fig. 5B) L 694-819 (740-755), W 478-534 (508-544); dorsal shield (Figs 5A, 7G-H) L 584-675 (636-670), W 410-469 (422-476), L/W ratio 1.42-1.44 (1.4-1.5); dorsal plate L 556-643 (594-614); shoulder plate L 178-206 (178-188), W 56-61 (59-60), L/W ratio 3.0-3.4 (2.96-3.18); frontal plate L 113-125 (121-125), W 45-50 (46-47), L/W ratio 2.4-2.5 (2.56- 2.72); shoulder/frontal plate L ratio 1.56-1.67 (1.46-1.5). Gnathosomal bay L 148-153 (132-141), Cx-I total L 278-294 (284-286), Cx-I mL 129-141 (145-165), Cx-II+III mL 69-91 (79-92); ratio Cx-I L/Cx-II+III mL 3.2-4.0 (3.1-3.6); Cx-I mL/Cx-II+III mL 1.55-1.87 (1.57-2.08). Genital field L/W 156-181/117-133 (168-172/125-132), L/W ratio 1.33-1.36 (1.26-1.38); ejaculatory complex L 231 (224-251); distance genital field-excretory pore 131-178 (138-145), genital field-caudal idiosoma margin 183-231 (172-205). Gnathosoma vL 273-303 (277-297); chelicera total L 319-347 (323-343); palp total L 279-316 (284-291), dL: P-1, 34-37 (33-36); P-2, 92-101 (92-95); P-3, 52-63 (51-59); P-4, 82-93 (82-92); P-5, 19-22 (17-18); P-2/P-4 ratio 1.09-1.13 (1.03-1.12). Female (from Russia, n = 2). Idiosoma (ventral view: Fig. 6B) L 860-867, W 629-635; dorsal shield (Figs 6A, 7I) L 723-782, W 502-544, L/W ratio 1.44; dorsal plate L 680-731; shoulder plate L 211-214, W 66-73, L/W ratio 2.92-3.2; frontal plate L 128-139, W 59-64, L/W ratio 2.16- 2.17; shoulder/frontal plate L ratio 1.54-1.65. Gnathosomal bay L 168-178, Cx-I total L 303-310, Cx-I mL 132-145, Cx-II+III mL 30-40; ratio Cx-I L/Cx-II+III mL 7.75-10.1; Cx-I mL/Cx-II+III mL 3.63-4.4. Genital field L/W 185-195/172-178, L/W ratio 1.04-1.13; distance genital field-excretory pore 208-210, genital field-caudal idiosoma margin 297-310. Gnathosoma vL 330-336; chelicera total L 420; palp total L 341-345, dL: P-1, 41-43; P-2, 115-116; P-3, 65-67; P-4, 100-102; P-5, 18-19; P-2/P-4 ratio 1.13-1.16.

Japan (Uzi region- Enami, 1940), South Korea (Chindo Island – Chung & Kim 1995; present study). New for the fauna of Russia.