The invention relates to novel compounds of the formula (I) in which the R1, R2a, R2b, R3, A1, A2, A3, A4, A5 and n radicals are each as defined above, to the use thereof as acaricides and/or insecticides for controlling animal pests and to processes and intermediates for preparation thereof.本發明係關於新穎之式(I)化合物其中,R1、R2a、R2b、R3、A1、A2、A3、A4、A5及n基團係各自定義如前,關於其作為殺蟎劑及/或殺昆蟲劑用來控制動物害蟲之用途及關於其製備方法及中間體。