< Topic >The capture vessel whose it is difficult for the mite where the mite of hakubishin and the like is easy to penetrate inside, inside is captured to escape is offered.SolutionsThe frame 5 which becomes the opening 5a one end aperture and the said opening 5a concerning the capture vessel 1 which is formed with the door 6 which opening and closing possibly is closed, the said door 6, elastic member through 10, 11 and 12, when the closing board 7 which is supported in rockable state, 8 and 9 is laid out, load works on frame 5 side, to close and board 7, 8 and 9 the said elastic member resisting the attaching power of 10, 11 and 12 and frame plate surface fluctuating on 2, 3 and 4 sides when it becomes open attitude, there is no said load elasticityFluctuating on frame 5 central site component with the carriage return power of 10, 11 and 12, in order to return to original closed attitude, it constituted.< Choice figure >Drawing 1【課題】ハクビシン等の小動物が内部に進入しやすく、内部に捕獲された小動物が逃げ出すことが難しい捕獲器を提供する。【解決手段】一端が開口した開口部5aとなっている筐体5と該開口部5aを開閉可能に塞ぐ扉6とで構成した捕獲器1について、、該扉6を、弾性部材10、11、12を介して揺動可能な状態で支持される塞ぎ板7、8、9を配置し、筐体5側に負荷が働くと塞ぎ板7、8、9が該弾性部材10、11、12の付勢力に抗して筐体板面2、3、4側に揺動して開放姿勢になり、該負荷がなくなると弾性部材10、11、12の復帰力によって筐体5中央側に揺動して元の閉鎖姿勢に戻るように構成した。【選択図】図1