To provide a trap for improving the trapping efficiency by guiding the position in the height direction thereof to rise from the initial position when the loop portion tightening the legs of the vermin is reduced in diameter.SOLUTION: The outer tube 2, the inner tube 3 accommodated in the outer tube 2 and having the tread plate 4 provided therein, a wire formed with a loop portion 6a circling around the inner tube 3 at one end via a casing 5 6, a torsion spring 7 for reducing the diameter of the loop portion 6a when the arm portions 7a, 7b are attached to the wire 6 closer to the other end than the binding metal fitting 5 and the loop portion 6a is detached from the inner tube 3, A single frame body 9 attached to the inner tube 3 via a support shaft 8 a arranged on the inner periphery of the tube 3, and the frame body 9 has its body portion extending beyond the inner peripheral face 3 b of the inner tube 3 When the vermin exerts a tread on the step board 4, the loop portion 6 a, which is detached from the inner tube 3, is hooked on the protruding portion 10, and the frame body 9 is pivoted around the support shaft 8 a To do.(FIG.【課題】害獣の脚を締め付けるループ部が縮径する際に、その高さ方向の位置が当初の位置から上昇するように案内されることで、捕獲効率を向上させるくくり罠を提供する。【解決手段】外筒2と、外筒2に収容され、踏板4が内部に設けられる内筒3と、くくり金具5を介して一端に内筒3を周回するループ部6aが形成されるワイヤー6と、くくり金具5よりも他端寄りのワイヤー6に腕部7a,7bが取り付けられ、ループ部6aが内筒3から外れた場合に、ループ部6aを縮径するねじりばね7と、内筒3の内周に配置される支軸8aを介して内筒3に取り付けられる1個の枠体9を備え、枠体9は、その胴部に、内筒3の内周面3bを超えてはみ出すはみ出し部10が形成され、害獣が踏板4を踏み付ける場合に、内筒3から外れたループ部6aがはみ出し部10に掛止され、枠体9を支軸8aを中心として回動させる。【選択図】図1
