Insecticidal device for forestry nursery

The utility model relates to the field of nursery pest killing, and particularly discloses a forestry nursery pest killing device which comprises a pest killing box, a scraper blade, a drawer and a sliding rod, a trap lamp is fixedly connected to the middle of the inner side face of the pest killing box, a pest inlet net is fixedly connected to the inner wall of one side of the pest killing box, and a pest killing net is fixedly connected to the middle of the inner wall of the pest killing box. The insect killing net is parallel to the insect inlet net, a sliding groove is formed in the inner side of the upper surface of the insect killing box, a scraping plate is connected into the sliding groove in a sliding fit mode, and the scraping plate is attached to the insect killing net. The scraping plate slides back and forth in the sliding groove by rotating the lead screw forwards and reversely, so that dead insect bodies adhered to the surface of the insect killing net are scraped, the insect killing net is pre