Zschokkea orientalis, Tuzovskij, 2020

Tuzovskij, Petr V., 2020, Description of a new water mite of the genus Zschokkea Koenike, 1892 (Acari, Hydrachnidia, Hydryphantidae) from Northeastern Russia, Amurian Zoological Journal XII (2), pp. 132-137 : 136-137

Key to adults of Zschokkea species in Russia:

1. Idiosomal platelets completely absent ( Figs 2 : 1, 2), number of the genital setae without essential differences in both sexes.......................... Z. orientalis sp. n. — Idiosomal platelets present, female genital setae number is less than in the males........ 2

2.Lateral margins of genital flaps equally convex,

medial margins equally concave ( Sokolov 1940; Gerecke, Gledhill, Pešić, Smit 2016............................. Z.oblonga Koenike,1892 — Lateral margins of genital flaps straight, medial margins equally convex ( Tuzovskij 1976)............ Z. langei ( Tuzovskij, 1976)

Etymology. The species’ epithet, orientalis , is derived from the name of oriental regions of Russia, where it was collected (Kamchatka and Chukotka).

Habitat. Sedge-sphagnum bogs, tundra pools.

Distribution. Asia, Russia: Chukotka, Kamchatka.

Figures

Fig. 2. Zschokkea orientalis sp. n., male: 5 — capitulum, lateral view; 6 — chelicera, lateral view;7 — pedipalp, lateral view; 8 — tarsus of pedipalp; 9 — I–Leg–4–6; 10 — claw of leg IV. Scale bars: 5–7, 9 = 100 μm, 8, 10 = 20 μm Рис. 2. Zschokkea orientalis sp. n., 5 — капитуΛум, боковой виÃ; 6 — хеΛицера, боковой виÃ; 7 — пеÃипаΛьпа, боковой виÃ; 8 — Λапка пеÃипаΛьпы; 9 — коΛено, гоΛень и Λапка ноги IV; 10 — коготок ноги IV. ШкаΛы: 5–7, 9 = 100 μm, 8, 10 = 20 μm