PROBLEM TO BE SOLVED: To provide a noxious organism repelling sheet or paper in which a fiber from Sophora flavescens Aiton is used as it is or prepared by mixing the Sophora flavescens Aiton fiber and a noxious organism repelling component derived from Sophora flavescens Aiton into Japanese paper.SOLUTION: The noxious organism repelling component prepared from Sophora flavescens Aiton, the Sophora flavescens Aiton fiber, and a plant fiber which is a raw material of Japanese paper are mixed and formed into a sheet or paper.COPYRIGHT: (C)2009,JPO&INPIT【課題】クララ繊維をそのまま使用するか、或いはクララ繊維とクララ由来の有害生物忌避成分を和紙に混入した、有害生物忌避シートまたは紙状物を提供する。【解決手段】クララから得られる有害生物忌避成分と、クララの繊維と、和紙の原料となる植物繊維とを混ぜ合わせてシートまたは紙状物に形成する。【選択図】 なし