This utility model belongs to the field of pest capture technology, and particularly relates to a
trapping device for the peach-necked
longhorn beetle. It includes: a
bottle body with a
top cap threaded onto its top surface; an inner liner fitted onto the inner wall of the
bottle body; multiple connecting posts fixedly installed on the bottom surface of the
top cap, with the bottom ends of the connecting posts fixedly connected to the top surface of the inner liner; multiple through holes on the outer wall of the inner liner; multiple
bottle slots evenly spaced on the outer wall of the bottle body; and movable baffles rotatably installed within each bottle slot; and an adjustment component mounted on the bottle body to rotate the multiple movable baffles. When removing the peach-necked
longhorn beetle from the bottle body, simply rotate the
top cap, which will detach from the bottle body. Pulling the top cap at this point will cause the inner liner to rise simultaneously. Since the top cap has multiple through holes, the
trapping liquid inside the inner liner will drain through these holes, causing the inner liner to lift along with the peach-necked
longhorn beetle inside the bottle, thus facilitating its removal.