Ecological prevention and control method for rice chilo suppressalis

The invention relates to the technical field of ecological prevention and control of pests, and particularly discloses an ecological prevention and control method for rice chilo suppressalis. According to the ecological prevention and control method, nectariferous functional plants with a long flowering period are planted around a rice ridge on a large scale, and the nectariferous functional plants are selected from one or more of soybeans, sesames and zinnia. According to the ecological prevention and control method for the rice chilo suppressalis, the biological diversity of a rice field system can be protected and adjusted, alternative hosts, foodstuff and shelters are provided for natural enemies, stable growth of natural enemy populations is promoted and protected, eggs, larvae and adults of the rice chilo suppressalis are ecologically killed through chilo suppressalis natural enemies, and a traditional method for preventing and controlling the chilo suppressalis through a large amount of pesticide in th