Trap

The utility model discloses a trap, construct including mythimna separata board, slowly -releasing bottle and fixed knot, the slowly -releasing bottle contains and is used for luring the pheromones of drawing appointed pest to lure the core, the slowly -releasing bottle be equipped with with pheromones lure the volatile gaseous of core to export the outer output structure of bottle to, the fixed knot structure is fixed in the slowly -releasing bottle on the mythimna separata board. The utility model discloses a trap can lure the core to different pest kinds flourishing different types of pheromones in the slowly -releasing bottle, realizes that it traps to carry out the pertinence to the multiple pest in the agricultural production, through the volatile gaseous molecular diffusion that the output unit helps luring the core with pheromones is outside to the slowly -releasing bottle, attract the pest to the mythimna separata board by the adhesion on the mythimna separata board, prevent pest harm fruit, reached