The present application relates to novel pyridyloxyalkylcarboxamides of the formula (I) and to their use as endoparasiticides against endoparasites in animals or humans, and to their use as nematicides for controlling phytopathogenic nematodes, and furthermore to endoparasiticides and nematicides comprising pyridyloxyalkylcarboxamides.本申請案係有關一種新穎之式(I)吡啶氧基烷基甲醯胺類及其做為對抗動物或人類之體內寄生蟲之殺體內寄生蟲劑上之用途,及其做為控制植物病原性線蟲之殺線蟲劑上之用途,及進一步係有關包含吡啶氧基烷基甲醯胺類之殺體內寄生蟲劑及殺線蟲劑。