The present invention relates to the use of N-(Phenylcycloalkyl)carboxamides and N-(Phenylcycloalkyl)thiocarboxamides for the control of nematodes in agriculture and as anthelmintic agents against endoparasites in animals and humans, compositions containing such compounds and methods for the control of nematodes and helminths and furthermore to novel N-(Phenylcycloalkyl)carboxamides and N-(Phenylcycloalkyl)thiocarboxamides, processes and intermediate compounds for their preparation, their use as nematicides, compositions containing such compounds and methods for the control of nematodes.
