Predatory mites from crops and pastures in South Africa: potential natural enemies of redlegged earth mite Halotydeus destructor (Acari: Penthaleidae) Author Halliday, R. B. text Zootaxa 2005 1079 11 64 journal article 50949 10.5281/zenodo.170355 ab581412-8bf4-4718-b555-e389591088a9 1175­5326 170355 9E06506A-35AC-482A-B8D6-B9FD02FB4A5C Amblyseius usitatus Van der Merwe Amblyseius ( Amblyseius ) usitatus Van der Merwe, 1965: 71; 1968: 140. Specimens examined : Site 94­2 , 1 female ; Site 94­5 , 3 females ; Site 94­16 , 8 females . Amblyseius usitatus is an endemic South African species that was described from grass and Prunus at Potchefstroom (Van der Merwe, 1965, 1968). In the present survey it was found at scattered localities, but was always rare, with only 12 specimens in the entire survey.