PROBLEM TO BE SOLVED: To provide a flying insect pest catcher exhibiting high attractive effect and capturing efficiency to flying insect pests, especially small flies, for a long period of time if a highly wetting chemical holder is used, having a simple structure, and easy to use.SOLUTION: In the flying insect pest catcher, the chemical holder with a liquid chemical composition held in the wet state in a non-woven fabric carrier is housed in a tray, and a lid with an opening is fitted to a hollow top of the tray. The chemical composition contains an insecticidal ingredient, an attractive ingredient and a moisturizing ingredient. The bulk density of the non-woven fabric carrier is 0.02-0.1, and the thickness of a side end face of the carrier is 5-30 mm.COPYRIGHT: (C)2012,JPO&INPIT【課題】湿潤性に富んだ薬液保持体を使用した場合に、飛翔害虫、特にコバエ類に対して長期間にわたり高い誘引効果と捕獲効率を示し、しかも構造が簡単で、使い易い飛翔害虫捕獲具の提供。【課題の解決手段】液状の薬剤組成物を不織布製担体に湿潤状態で保持させた薬液保持体をトレイ部に収納し、開口部を有する蓋部を前記トレイ部の中空天面に嵌着してなる飛翔害虫捕獲具において、前記薬剤組成物が殺虫成分と誘引成分と保湿成分を含有し、前記不織布製担体はそのかさ密度が0.02~0.1で、かつその側部端面の厚さが5~30mmである飛翔害虫捕獲具。【選択図】図2