Abstract
Twenty species of the genus Schizocarpus Trouessart, 1896 (Acari: Chirodiscidae) are recorded from six live individuals of the Eurasian beaver Castor fiber belorussicus Lavrov (Rodentia: Castoridae) captured by modified fish-traps near Wiżajny village (Suwałki, north-eastern Poland). Eight species are described as new: Schizocarpus heatherae sp. nov., S. faini sp. nov., S. klompeni sp. nov., S. parahumilis sp. nov., S. gozdziewskii sp. nov., S. pseudonumerosus sp. nov., S. zurowskii sp. nov., and S. testiculatus sp. nov. Twelve previously described species are as follows: S. brachyurus (Dubinina, 1964), S. capitis (Dubinina, 1964), S. curtus Fain and Lukoschus, 1985, S. fedjushini (Dubinina, 1964), S. insignis Fain and Lukoschus, 1985, S. intercalatus Fain and Lukoschus, 1985, S. numerosus (Dubinina, 1964), S. parvus (Dubinina, 1964), S. pygidialis Fain and Lukoschus, 1985, S. radiatus Fain and Lukoschus, 1985, S. subhexapilis Fain and Lukoschus, 1985, and S. subparvus (Dubinina, 1964). Data on geographical distribution and microhabitats of Schizocarpus spp. detected on C. f. belorussicus in the Suwałki population are summarized in table format.
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