An object of the present invention is to provide a new insecticidal compound by paying attention to the insecticidal activity contained in the flower part of marigold, and to provide an insecticide containing the compound as an active ingredient. There are provided an insecticidal compound represented by the following chemical formula: [Formula 1], and an insecticide containing the insecticidal compound as an active ingredient or an insecticide containing, as active ingredients, the insecticidal compound and an insecticidal compound represented by the following chemical formula: [Formula 2], wherein the insecticide can exhibit extraordinary insecticidal efficacy compared with existing pyrethroid-based insecticidal compounds.