The invention discloses a bug catching device, which comprises a casing body, an upper cover body, a front cover body, a trapping roller, a second driving unit and a power supply unit.The shell body is integrally formed and has darkroom space, capture space and rotation space, and the rotation space is located between the darkroom space and capture space.The upper cover body covers the capture space and is arranged above the casing body.The front cover covers the darkroom space and is arranged in front of the housing body.The trapping roller is arranged in the rotating space and pivotally connected with the housing body. The trapping roller is exposed in the opening between the upper cover body and the front cover body.Two driving units are arranged in the casing body and are respectively connected with two ends of the trapping roller to drive the trapping roller to rotate.The power supply unit is connected and supplies power to the second drive unit.本創作係揭露一種捕蟲裝置，其包含機殼本體、上蓋體、前蓋體、誘捕滾筒、二驅動單元及電力供應單元。機殼本體一體成型且具有暗室空間、捕集空間及轉動空間，轉動空間位於暗室空間及捕集空間之間。上蓋體覆蓋捕集空間且設於機殼本體之上方。前蓋體覆蓋暗室空間且設於機殼本體之前方。誘捕滾筒設於轉動空間中且可軸轉地樞接機殼本體，誘捕滾筒顯露於上蓋體與前蓋體之間的開口。二驅動單元設於機殼本體中且分別連接誘捕滾筒之兩端，以驅動誘捕滾筒轉動。電力供應單元連結且供電予二驅動單元。
