Opravilova V. & Kubicek F. 1999: Acari. In: Opravilova V., Vanhara J. & Sukop I. (eds): Aquatic Invertebrates of the Palava Biosphere Reserve of UNESCO. Folia Fac. Sci. Nat. Uni. Masaryk. Brun., Biol., 101: 111-114.

• Abbreviations following species name identify

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HYDRACHNIDAE

Hydrachna cruenta (Muller, 1766): DY: 20.5 (5), 3.1.1-2, HOL.

EYLAIDAE

Eylais hamata Koenike, 1897: LR: 8.12; 8.13; 8.16, LE, PD (3), 3.1.2, EUA.

E. mutila Koenike, 1897: DY: 20.5 (5), 3.1.1-2, EUS.

E. tantila Koenike, 1897: LE (3), PO: 15.1 (5), 3.1.2, EUS.

HYDRYPHANTIDAE

Hydryphantes placationis Thon, 1890: MR: 2.7 (5), 3.1.2, EUR.

HYDRODROMIDAE

Hydrodroma despiciens (Muller, 1776): MJ: 4.5 (4), 4.1.2.2.1, A5, COS.

LIMNESIIDAE

Limnesia maculata (Muller, 1766): LR: 8.12 (1), A5, HOL.

UNIONICOLIDAE

Neumania deltoides (Piersig, 1894): RA: 17.8 (5), 3.1.1.2, 3.1.2, EUA.

N. vernalis (Muller, 1776): DY: 20.6 (5), 3.1.1-2, EUA.

Unionicola crassipes (Muller, 1776): DY: 20.1; 20.6, MJ: 4.11 (5), 3.1.1-2, COS.

U. figuralis (Koch, 1836): MJ: 4.4 (5), 3.1.1-2, HOL.

PIONIDAE

Piona carnea (Koch, 1836): KJ: 3.2 (5), 3.1.2, HOL.

P. clavicornis (Muller, 1776): KJ: 3.2 (5), 3.1.2, EUA.

P. longipalpalis (Krendovskij, 1878): DY: 20.6, MR: 2.2 (5), 3.1.1-2, EUS.

P. nodata (Muller, 1776): PO: 15.8 (5), 3.1.1-2, HOL.

Pionopsis lutescens (Hermann, 1804): PO: 15.8 (5), 3.1.1, PAL.

ARRENURIDAE

Arrenurus affinis Koenike, 1887: JE: 5.2, KA: 12.12, KJ: 3.4, LE, LR: 8.17, MJ: 4.5, PD (2), 3.1.2, PAL.

A. albator (Muller, 1776): HL, LE, PD (2), 3.1.2, EUR.

A. batilifer Koenike, 1896: BL: 13.2, BR, KA: 12.21 (2), 3.1.2, EUS.

A. bicuspidatus Berlese, 1885: BR, LE, PD, PO: 15.2, (2), 3.1.2, EUA.

A. bifidicodulus Piersig, 1897: BR, KA, LE (2), 3.1.2, EUA.

A. bruzelii Koenike, 1885: HL, KA, LE, MJ: 4.2, PD, PO (2), 3.1.2, EUA.

A. crassicaudatus Kramer, 1875: BL: 13.2, KA: 12.21, LR: 8.1; 8.11; 8.16-17 (2), 3.1.2, EUA.

A. forficatus Neuman, 1880: PO (2), 3.1.2, EUR.

A. globator (Muller, 1776): common, e.g.: LR: 8.12 (1), 3.1.2, EUA.

A. knauthei Koenike, 1805: KA: 12.12, PO (2), 3.1.2, EUR.

A. radiatus Piersig, 1894: PD, LE (2), 3.1.2, EUR.

A. sinuatus (Muller, 1776): BL: 13.1, LR: 8.11-12; 8.16 (2), 3.1.2, EUS.

A. tricuspidator (Muller, 1776): KA: 12, LR: 8.11-12; 8.16 (2), LR: 8.16 (5), 3.1.2, EUS.

A. virens Neuman, 1880: PR: 5.2 (2), 3.1.2, EUR.

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1. HALIK L., 1928: Maly prispevek k faune voduli moravskych. /A small contribution to the fauna of Moravian Hydrachnellae/. Cas. Vlast. spolku mus. v Olomouci, 40: 26. (In Czech).

2. BAYER E., 1939: Hydrachnellarum generis Arrenurus in Bohemia et Moravia revisio critica. Vest. cs. spol. zool., 5: 52-90. ( In Czech, Germ. summ.).

3. LASKA F., 1964: Zur Kenntnis der Wassermilben-Fauna Mährens (Acari, Hydrachnellae). Vest. cs. spol. zool., 28: 312-325.

4. CRHA J., 1955: Prispevek k poznani potravy ryb v mrtvem rameni reky Dyje. /A contribution to the knowledge of the food of fishes in the backwaters of the Dyje River/. Diploma Thesis, Faculty of Science, Masaryk University Brno, 86 pp. (In Czech).

5. Coll. Faculty of Science, Masaryk University Brno, M. HORSAK, P. KMENT, M. OMESOVA, D. VARECHA leg., V. OPRAVILOVA, F. KUBICEK det.

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Vera Opravilova, Frantisek Kubicek (Department of Zoology and Ecology, Faculty of Science, Masaryk University, Kotlarska 2, 611 37 Brno, Czech Republic. E-mail: zoolecol@sci.muni.cz)