Abstract
Four new species of the genus Malaconothrus Berlese 1916 from South Africa and Lesotho are described (Malaconothrus minimus sp. nov., Malaconothrus longidorsus sp. nov., Malaconothrus engelbrechti sp. nov. and Malaconothrus stigmatus sp. nov.) and a description of the South African representatives of the species Malaconothrus indifferens Hammer 1966 is given.