A pesticidal composition comprising one or two ester compounds represented by formula (I): wherein R is a methoxymethyl group or a methyl group, and cyclohex-l-ene-l,2-dicarboximidomethyl 2,2- dimethyl-3- (2-methyl-1-propenyl) cyclopropanecarboxylate as active ingredients has controlling effect with excellent fast-acting property on pests such as flies, mosquitoes, wasps, etc.
