Aturus multisetus 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 : 25

Aturus multisetus Kim & Chung, 1993

( Fig. 71 )

Material. 1 male, Russia, Primory Territory, Khasansky District, “Kedrovaya Pad National Nature Biosphere Reserve”, Sea of Japan basin, Goraysky spring, flowing into the Kedrovaya River, N 43°06.015’; E 131°33.398’; depth 10–20 cm; substrate: boulders, cobbles, pebbles, fine-grained sand. 3.10.2010, leg. K.A. Semenchenko, D.A. Sidorov.

Male. Measurements (n=1). Length of idiosoma 343, width 297; length of dorsal shield 295, width 260; length of capitulum 86, width 78; length of basal segment of chelicera 81, length of cheliceral stylet 27; length of capitular bay 88; length of pedipalpal segments (P-1–5): 22, 55, 33, 76, 32; length of leg segments: I-L- 1–6—51, 53, 56, 73, 86, 100; II-L- 1–6—54, 65, 59, 78, 92, 103; III-L- 1–6—62, 78, 70, 110, 159, 140; IV-L- 1–6—94, 121, 111, 108, 100, 101.

Pedipalp: trochanter ( Fig. 71 ) short, thin with 1 dorsodistal seta; ventral margin of femur conсave, with slightly developed ventrodistal projection; femur with 3 dorsoproximal setae and 2 dorsodistal ones; genu with 1 longer and 1 shorter dorsodistal setae, its ventral margin concave; tibia expanded distally with 2 ventrodistal setae (thick and thin), few thin dorsal 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, but with 6 genital acetabula on one side of the idiosoma and 9 on the other (in Korean specimens these numbers vary from 6 to 7).

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.