PROBLEM TO BE SOLVED: To provide an attractant with a high attracting performance to gastropods, and to provide an attracting-insecticide for gastropoda including the attracting substance mixed with an effective insecticide to the gastropoda.SOLUTION: The invention relates to the attractant for gastropod including at least one kind of carboxylic acid selected from n-nonoic acid, guerlain acid and phenylacetic acid as the attractant, the attracting-insecticide for gastropoda consisting of a mixture of at least one kind of the carboxylic acid as the attractant and an effective insecticide component to the gastropoda, and the method for attracting the gastropoda using at least one kind of the carboxylic acid as the attractant.COPYRIGHT: (C)2009,JPO&INPIT【課題】腹足類に対してより誘引力の高い誘引剤、およびその誘引物質に腹足類に有効な殺虫成分を混合させた腹足類の誘引・殺虫剤の提供。【解決手段】n-ノナン酸、ゲラン酸、及びフェニル酢酸から選ばれるカルボン酸の1種以上を誘引物質として含有する腹足類の誘引剤、並びに上記カルボン酸の1種以上を誘引物質として含有し、腹足類に有効な殺虫成分を混合させたことを特徴とする腹足類の誘引・殺虫剤、並びに上記カルボン酸の1種以上を、誘引物質として使用することを特徴とする腹足類の誘引方法。【選択図】なし