An object of the present invention is to make it possible to kill house ants with a commercially available mosquito catcher. SOLUTION: The fixing of the building frame of the mosquito catcher is as it is, and the horizontal vinyl frame is removed. [Selection diagram] Fig. 1【課題】市販の蚊取り器でも家白アリを捕殺できるようにする。【解決手段】蚊取り器の建枠の固着は其の儘にして横ビニール枠を取り除く構成とした。【選択図】図1