The larvae live in the soil and eat food at the roots, and the adult worms damage the leaves on the ground. The body surface of the adult has a hard coleopteron, the general agent is not easy to penetrate, and such insects fly and jump.
Prevention: larvae can be used 50% phoxim EC 1500 times, or 25% quinoline EC 1000 times, or 10% imidacloprid wettable powder 1000 times, or 90% crystal trichlorfon 1000 times, or 80 % Dichlorvos 1000 ~ 1500 times liquid Irrigation. Effective for more than half a month. In the period of adult damage, the above agents can also be used to inject vaccine strains to kill adult insects.
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