The trap has films (1) fixed vertically by plucking using a sheath or a clip (8) on rigid rods, where the rods (2, 4) are arranged by two pairs and are inserted in a vertical central axle (3). The axle is associated to the rods supporting films and permits tensioning of the films. A funnel cup (5) is made of flexible, smooth and resistance film and is associated to the trap by rods (4) through rings or frame (11).
展开▼