PROBLEM TO BE SOLVED: To provide an insect repelling system 1 easily fittable with a card obtained by impregnating a cardboard with a natural insect pest repellent.SOLUTION: A card 13 made of a cardboard impregnated with a repellent for maintaining an insect repelling effect for at least one month is fitted to a holder 11 provided with opening parts obtained by boring many holes to gradually volatilize the repellent component, and the purpose is achieved. A string is attached to the card-fitted holder, and the same can be arranged by being easily suspended on a structure in a place or a zone at which insect repelling is performed. Since volatilization starts in the case when the holder is kept as it is, it is sealed into an external bag 10 made of a sealable aluminum vapor-deposited film till a user uses to prevent the reduction of the repellent. Further, the external bag made of the aluminum vapor-deposited film is imparted with metallic luster and is used alone or in combination, thus a repelling effect action by light reflection is also imparted thereto.【課題】天然系害虫忌避剤を板紙に含浸させたカードで、容易に取り付け可能な虫除けシステム１を提供する。【解決手段】最低１ヶ月間、虫除け効果を持続させるために忌避剤を含浸させた板紙でできたカード１３を、多数の穴をあけ忌避剤成分を徐々に揮発させるよう開口部を設けたホルダ１１に装着してその目的を達成する。カード装着したホルダにはヒモをつけて虫除けを行う場所、区域の構造物に容易に吊り下げて配置できるようにする。上記ホルダそのままだと揮発しはじめるのでユーザーが使用するまで密封性のアルミ蒸着フィルム製の外装袋１０に封入して忌避剤が減少しないようにしてある。またこのアルミ蒸着フィルム製の外装袋は金属光沢をもたせ、単独でまたは併用で使用することで、光反射による忌避効果作用も附与してある。【選択図】図１
