Pentamerismus oregonensis McGregor, 1949 and Pentamerismus taxi (Haller, 1877)

These two species infest common coniferous trees and Taxus baccata L., respectively (Bozai 1969; Komlovszky 1980; Ripka 1998; Ripka et al. 2002). Pentamerismus taxi was found together with Cheletogenes ornatus (Canestrini and Fanzago, 1876) ( Acari: Cheyletidae), a predatory mite.