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Tomáš Bohdal
Department of Biological Disciplines, Faculty of Agriculture, University of South Bohemia in České Budějovice, Branišovská 31a, 370 05 České Budějovice, Czech Republic
Josef Navrátil
Department of Biological Disciplines, Faculty of Agriculture, University of South Bohemia in České Budějovice, Branišovská 31a, 370 05 České Budějovice, Czech Republic
František Sedláček
Department of Zoology, Faculty of Science, University of South Bohemia in České Budějovice, Branišovská 31, 370 05 České Budějovice, Czech Republic