The present invention provides an arthropod pests control composition comprising, as active ingredients, 4-oxo-4-[(2-phenylethyl)amino]-butyric acid and a compound of formula (A) a method of controlling arthropod pests, which comprises applying effective amounts of 4-oxo-4-[(2-phenylethyl)amino]-butyric acid and a compound of formula (A) to a plant or growing site of plant and so on.本發明提供一種防治節肢害蟲之組成物,該組成物包含作為活性成分之4-側氧基-4-[(2-苯基乙基)胺基]丁酸及式(A)化合物;一種防治節肢害蟲之方法,該方法包含施加有效量之4-側氧基-4-[(2-苯基乙基)胺基]丁酸及式(A)化合物於植物或植物的生長位置等等。
