PROBLEM TO BE SOLVED: To provide a flying insect pest catcher capable of exhibiting an excellent attracting effect on flying insect pests represented by small flies such as Drosophilidae, Phoridae, Sciaridae, Mycetophilidae, and Psychodidae.SOLUTION: A flying insect pest catcher 100, which attracts and captures flying insect pests, includes a cover 20 in which attracting ports 23 are formed for attracting the flying insect pests into the inside and a tray 10 for holding the flying insect pests intruding the inside through the attracting ports 23, and the cover 20 and the tray 10 each have color tones of L*:20 or more, a*:0 or more and b*:0 or more in a L*a*b* color system (CIE1976) and have the color tones which are different from one another in at least one of a* and b*.COPYRIGHT: (C)2014,JPO&INPIT【課題】ショウジョウバエ、ノミバエ、クロバネキノコバエ、キノコバエ、チョウバエ等のコバエ類に代表される飛翔害虫に対して、優れた誘引効果を発揮することができる飛翔害虫捕獲器を提供する。【解決手段】飛翔害虫を誘引して捕獲する飛翔害虫捕獲器100であって、飛翔害虫を内部に誘引する誘引口23が形成された蓋部20と、誘引口23から内部に侵入した飛翔害虫を溜めるトレイ部10と、を備え、蓋部20及びトレイ部10は、L*a*b*表色系(CIE1976)で、共にL*:20以上、a*:0以上、b*:0以上の色調を有し、且つ、両者のa*及びb*の少なくとも一方が互いに異なる色調を有する。【選択図】図1