This invention relates to an insect catching device, comprising a guiding structure, at least one LED lamp, an air discharging room, a casing, a turbine, a plurality of supporting racks, and a storage tank. The at least one LED lamp is disposed on the guiding structure. The air discharging room has a top surface, at least one side surface, a bottom surface and at least one door. The top surface has an opening the at least one side surface has a plurality of holes. The casing has an inlet, an outlet, and a main body, wherein the inlet is connected to the guiding structure the outlet is connected to the top surface opening of the air discharging room, and the main body is connected between the inlet and the outlet. The turbine is disposed inside the main body of the casing, comprising a power source. The plurality of supporting racks support the casing and the turbine. The storage tank is disposed below the bottom surface of the air discharging room.一種捕蟲裝置包含導引結構、至少一LED燈、排氣室、外殼、渦輪機、複數個支架、以及收納槽。至少一LED燈設置於該導引結構上。排氣室具有頂面、至少一側面、底面、以及至少一門。頂面具有開口;至少一側面具有複數個孔。外殼具有入口、出口、以及本體。入口連接於該導引結構;出口連接於該排氣室的該頂面的該開口;本體連接於該入口和該出口之間。渦輪機設置於該外殼的該本體內,包含一電源。複數個支架支撐該外殼和該渦輪機。收納槽設置於該排氣室的該底面的下方。100‧‧‧捕蟲裝置110‧‧‧導引結構120‧‧‧LED燈130‧‧‧外殼132‧‧‧入口134‧‧‧本體136‧‧‧出口140‧‧‧渦輪機150‧‧‧排氣室151‧‧‧頂面152‧‧‧開口153‧‧‧側面154‧‧‧孔155‧‧‧底面156‧‧‧門160‧‧‧支架165‧‧‧支架170‧‧‧收納槽
