The present application relates to the use of heterocyclic compounds for controlling animal pests including arthropods, insects and nematodes, to novel heterocyclic compounds, to processes for their preparation and to intermediates for preparing the heterocyclic compounds.本申請案係有關使用雜環化合物防治包括節肢動物、昆蟲與線蟲等動物害蟲之用途,有關新穎之雜環化合物、其製備方法及用於製備該雜環化合物之中間物。