Aturus multiclavus Kim & Chung, 1993

Semenchenko, Ksenia A. & Tuzovskij, Petr V., 2011, New water mites species of the genus Aturus Kramer (Acariformes, Aturidae) from the Far East of Russia, Zootaxa 2933, pp. 1-26 : 24

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).

Figures

FIGURES 70 – 71. Aturus multiclavus Kim & Chung, 1993, male: 70, pedipalp, lateral view; Aturus multisetus Kim & Chung, 1993, male: 71, pedipalp, lateral view. Scale bar = 25 µm.