Agricultural insect trapping device

The utility model relates to the technical field of striped rice borer agricultural insect water basin trapping, in particular to an agricultural insect trapping device. A water basin (3) is fixed on one side of a supporting rod (1) through a fixing clamp (2), a lure core (4) is arranged on the water basin (3), an overflowing hole is formed in the water basin (3), the outer end of the water basin (3) is connected with the supporting rod (1) through iron wires (6), a water supplement device (7) is arranged on the other side of the supporting rod (1) and the water supplement device (7) is connected in the water basin (3) through a guide tube (8). According to the agricultural insect trapping device, the water basin and the water supplement device are fixed by the fixing clamp, and the stability is maintained. Due to the fact that the water supplement device can automatically supply water for the water basin under the effect of atmospheric pressure, a purpose of automatic trapping agricultural insects is achieve