A flying insect pest trap is provided that can exhibit a good attracting effect on flying insect pests typified by small flies such as Drosophilidae, Phoridae, Sciaridae, Mycetophilidae, Psychodidae, etc. A flying insect pest trap (100) for catching a flying insect pest by causing an attracting component in the trap (100) to vaporize and diffuse out of the trap (100), includes a lid portion (20) having a plurality of attraction openings (23) through which the flying insect pest is attracted into the trap (100), and a tray portion (10) that accommodates a chemical substance portion (30) containing the attracting component, and retains the flying insect pest entering the trap (100) through a plurality of attraction openings (23). At least half the plurality of attraction openings (23) have shapes that are different from each other.提供一種飛翔害蟲捕捉器,對以果蠅、蚤蠅、黑翅蕈蠅科、蕈蠅、蝶蠅等的小蒼蠅類為代表的飛翔害蟲,可發揮優良的引誘效果。一種飛翔害蟲捕捉器100,使內部的引誘成分揮發到外部而捕捉飛翔害蟲,包含:形成有將飛翔害蟲引誘至內部的複數個引誘口23之蓋部20;收納含有引誘成分的藥劑部30,並且積存由複數個引誘口23侵入到內部的飛翔害蟲之托盤部10,複數個引誘口23其60%以上具有互異的形狀,複數個引誘口23形成於由俯視看對蓋部20的中心隨機的位置。10‧‧‧托盤部20‧‧‧蓋部100‧‧‧飛翔害蟲捕捉器
