Insect catching device based on combined action of pheromone and light source

The utility model discloses an insect catching device based on the combined action of pheromone and a light source, which comprises a top cover, a mounting port arranged on the top cover, an insect trapping lamp arranged in the mounting port, a placing box arranged at the bottom of the insect trapping lamp, a plurality of emitting ports arranged on the placing box in a surrounding manner, a connecting seat arranged below the top cover, and a light source arranged on the connecting seat. The top cover is connected with the connecting base through the connecting plate, and the catching barrel is arranged below the connecting base and detachably connected with the connecting base. The insect trap is simple in structure and low in manufacturing cost, the trap lamp is matched with pheromones, the trap efficiency of specified insects can be effectively improved, the trap lamp with the convex mirror structure can greatly enlarge the illumination range of the trap lamp, enlarge the trap range, reduce the placing numb