Aturus multiclavus Kim & Chung 1993

Aturus multiclavus Kim & Chung, 1993

(Fig. 70)

Material. 1 male, Russia, Primory Territory, Anuchinsky District, Arsenyevka River basin, small spring near Veseloe, N 43°40.133’; E 133°00.428’; depth 10–15 cm; substrate: cobbles, detritus. 14.09.2008, leg. K.A. Semenchenko, D.A. Sidorov.

Male. Measurements (n=1). Length of idiosoma 323, width 257; length of dorsal shield 290, width 204; length of capitulum 76, width 54; length of basal segment of chelicera 65, length of cheliceral stylet 22; length of capitular bay 72; length of pedipalpal segments (P-1–5): 27, 48, 30, 62, 27; length of leg segments: I-L- 1–6—43, 48, 46, 65, 76, 84; II-L- 1–6—38, 43, 47, 56, 73, 78; III-L- 1–6—32, 34, 57, 81, 103, 101; IV-L- 1–6—70, 88, 70, 76, 105, 81.

Pedipalp: trochanter (Fig. 70) short, thin with 1 dorsodistal seta; ventral margin of femur conсave; femur with 3 dorsoproximal setae and 2 dorsodistal ones; genu with subequal in length dorsodistal setae, its ventral margin concave; tibia expanded distally with 2 ventrodistal setae (thick and thin), few thin dorsodistal and short distolateral spine.

Remarks. This species was previously known only from South Korea (Kim & Chung 1993). Our specimen is similar to specimens described from South Korea and differs only in number of peg like setae on the posterior margin of dorsum (17–18 instead of 26–28 in Korean specimens).

Habitat. Running waters.

Distribution. Russia: Far East, Primory Territory; South Korea (Kim & Chung 1993).