Harmful characteristics: In addition to the four sword bugs mainly sucking the sap of the leaves at the seedling stage of rice, the rest are mainly based on the sap of the spike ear, resulting in grain and grain, which directly affects the yield.
Prevention and control methods: (1) Timely ploughing and irrigation, eradicating weeds on the edge of fields and ditches, and eliminating some overwintering insects; using lights to trap adult insects; removing egg blocks and hatching nymphs; protecting and using natural enemies.
(2) Before the overwintering adults lay eggs after stinging, and before the nymph hatches to the 3rd instar stage, the following agents can be used for control: octylthion, cypermethrin, or cypermethrin.
Rice green bugs
Rice spider-edged bugs
Two-star bugs
Fine hairy bugs