PROBLEM TO BE SOLVED: To provide an insect pest-repelling composition using a natural product-originated component as an insect pest-repelling agent, capable of carrying out the controlled release of the insect pest-repelling component not only at a normal-temperature and normal-humidity site but also at a high-temperature and high-humidity site, and capable of exhibiting the insect pest-repelling effects over a long period of time.SOLUTION: The insect pest-repelling composition contains a resin, an inorganic filler and the insect pest-repelling agent of the natural product-originated component, wherein the inorganic filler is covered with an organic material. An insect pest-repelling member having at least a part formed from the insect pest-repelling composition is also provided.COPYRIGHT: (C)2009,JPO&INPIT【課題】害虫忌避剤として天然由来成分を用いた害虫忌避組成物であり、且つ常温常湿の場所は勿論のこと、高温多湿の場所であっても、害虫忌避成分を除放することができ、長期間に亘って害虫忌避効果を発揮することが可能な害虫忌避組成物を提供する。【解決手段】樹脂と、無機充填材と、天然由来成分の害虫忌避剤と、を含有してなり、前記無機充填材が有機物で被覆されてなる害虫忌避組成物である。また、少なくとも一部が、この害虫忌避組成物から形成されてなる害虫忌避部材である。【選択図】図1