The present invention provides a pest control composition containing a combination of (E)-1-(2-chloro- 1, 3-thiazol-5-ylmethyl)-3-methyl-2-nitroguanidine and [2, 5-dioxo-3-(2-propynyl)-1-imidazolidinyl]methyl 2, 2-dimethyl- 3-(2-methyl-1-propenyl)cyclopropanecarboxylate.