The present invention relates to aryl sulphide and aryl sulphoxide derivatives, to their use as acaricides and insecticides for controlling animal pests and to processes and intermediates for their preparation. The aryl sulphide and aryl sulphoxide derivatives have the general structure (I) in which the respective radicals have the meanings given in the description.本發明係有關一種芳基硫化物及芳基亞碸衍生物、其作為控制動物害蟲之殺蟎劑與殺蟲劑之用途,及製備其之方法與中間物。該芳基硫化物及芳基亞碸衍生物係如一般結構式(I)其中各基團之定義係如說明書中之說明。