PROBLEM TO BE SOLVED: To provide a flying pest insect repellent composition exhibiting excellent repellent effect against flying pest.SOLUTION: There is provided a flying pest insect repellent composition containing following components (A) to (E), a flying pest insect repellent sheet by impregnating the flying pest insect repellent composition into a sheet-like substrate, and a flying pest insect repellent method for applying the flying pest insect repellent composition to skin. (A) octahydro-2H-1-benzopyran-2-on of 0.05 mass% to 5 mass%. (B) tris (hydroxymethyl)aminomethane of 0.05 mass% to 5 mass%. (C) a nonionic surfactant of 0.05 mass% to 4 mass%. (D) alcohol having 2 to 3 carbon atoms of 5 mass% to 60 mass%. (E) water.SELECTED DRAWING: None【課題】飛翔害虫に対して優れた忌避効果を示す飛翔害虫忌避剤組成物の提供。【解決手段】下記成分(A)～(E)を含有する飛翔害虫忌避剤組成物、該飛翔害虫忌避剤組成物をシート状基材に含浸させてなる飛翔害虫忌避剤シート、及び該飛翔害虫忌避剤組成物を肌に適用する飛翔害虫忌避方法。 (A) オクタヒドロ-2H-1-ベンゾピラン-2-オン 0.05質量％以上５質量％以下 (B) トリス（ヒドロキシメチル）アミノメタン 0.05質量％以上５質量％以下 (C) 非イオン性界面活性剤 0.05質量％以上４質量％以下 (D) 炭素数２～３のアルコール ５質量％以上60質量％以下 (E) 水【選択図】なし
