PROBLEM TO BE SOLVED: To provide an oil-in-water pest repellent composition which is particularly excellent in a repellent persistence effect against flying pests, is safe, has a good feel when applied to the skin, and is also excellent in long-term storage stability. An oil-in-water type pest repellent composition containing the following components (A) to (C). (A) Silicone oil, ester oil, ether oil, hydrocarbon oil, aliphatic alcohol, which has a surface tension of 40 mN/m or less at 25° C. and a viscosity at 23° C. of 400 mPa·s or less measured by a B-type rotational viscometer, and One or more non-volatile liquid oil components selected from the group consisting of polyhydric alcohols: 13% by mass or more and 50% by mass or less (B) Hydrophobic particles having a volume median particle size of 0.1 μm or more and 40 μm or less: 0.5 Mass% or more and 35% by mass or less (C) Water: 30% by mass or more and 86.5% by mass or less [Selection diagram] None【課題】特に飛翔害虫に対する忌避持続効果に優れ、安全で、かつ皮膚に塗布した際の感触が良好で、長期保存安定性にも優れる水中油型の害虫忌避組成物を提供する。【解決手段】下記成分（Ａ）～（Ｃ）を含有する、水中油型の害虫忌避組成物。（Ａ）２５℃における表面張力が４０ｍＮ／ｍ以下、Ｂ形回転粘度計による２３℃における粘度が４００ｍＰａ・ｓ以下である、シリコーン油、エステル油、エーテル油、炭化水素油、脂肪族アルコール、及び多価アルコールからなる群から選ばれる１種以上の不揮発性液状油性成分：１３質量％以上５０質量％以下（Ｂ）体積中位粒径が０．１μｍ以上４０μｍ以下の疎水性粒子：０．５質量％以上３５質量％以下（Ｃ）水：３０質量％以上８６．５質量％以下【選択図】なし
