PROBLEM TO BE SOLVED: To provide a composition for controlling and protecting a plant from harmful harmful animals by attracting harmful fauna. The present invention relates to a process for producing an anthraquinone compound represented by the following general formula (1): wherein R 1, R 2, R 3 and R 4 are the same or different and are each independently selected from the group consisting of p-anisaldehyde, benzaldehyde, ethyl nicotinate, geraniol, linalool, nerol, citroneol, at least 2 selected from the group consisting of o-anisidine, methyl m-aminobenzoate, methyl o-toluate, ogenol, 3-phenylpropylaldehyde, cinnamaldehyde, eucalyptol, squalane, Wherein the composition has synergistic action.(과제) 유해 절족 동물군을 유인하여, 유해 절족 동물의 피해로부터 식물을 보호하는 방제용 조성물 및 방제 방법의 제공.(해결 수단) p-아니스알데히드, 벤즈알데히드, 니코틴산에틸, 게라니올, 리날롤, 네롤, 시트로네롤, o-아니스알데히드, β-파르네센, 안트라닐산메틸, 벤조산메틸, o-아미노아세토페논, o-아니시딘, m-아미노벤조산메틸, o-톨루산메틸, 오이게놀, 3-페닐프로필알데히드, 신남알데히드, 유칼리프톨, 스쿠알렌, α-헥실신남알데히드로 이루어지는 군에서 선택되는 적어도 2 종을 함유하여 이루어지는 상승적 작용을 갖는 유해 절족 동물 유인 조성물.
