PROBLEM TO BE SOLVED: To provide an insect trap which can be easily distributed at a low price, is easy to handle in field surveys, and has excellent maintainability such as repair. SOLUTION: A trapping member B for accommodating an insect to be captured, a body A for detachably storing a fan for trapping the insect to be trapped in the trapping member B, and a battery for a part of a pillar A pillar portion including a pillar provided with a socket, a roof portion C provided on the pillar portion, a light bulb for attracting insects to be captured, and a circuit structure that supplies electric power for lighting the light bulb. The circuit structure is an insect trap formed by stacking a lower structure including a pair of cranks, one of which has a wiring structure, and an upper structure including a pair of cranks, one of which has a wiring structure. [Selection diagram] Fig. 1【課題】低価格で流通が行いやすく、野外調査での取り回しが容易であり、また修理などのメンテナンス性に優れた捕虫器を提供する。【解決手段】捕獲対象の昆虫を収容する捕集部材Ｂと、捕集部材Ｂ内に捕獲対象の昆虫を取り込むためのファンを着脱自在に格納するボディ本体Ａと、一部の支柱に電池用ソケットを設けた支柱からなる支柱部と、支柱部の上に設けられた屋根部Ｃと、捕獲対象の昆虫を引き寄せるための電球と、この電球に点灯のための電力を供給する回路構造体を備え、回路構造体は、一方が配線構造を有する一対のクランク部からなる下部構造体と、一方が配線構造を有する一対のクランク部からなる上部構造体を重ね合わせて構成される捕虫器。【選択図】図１
