Mythimna separata: also known as the armyworm or shaved worm. It is a polyphagous, migratory, fulminant pest that harms food crops and pastures. The crop leaves can be eaten up when it happens. When larvae migrate in groups, almost all of the green crops are preyed, resulting in a large area of ​​reduced or no harvest. Control methods: Check before the harvest, when there are 50 larvae per square meter, the pesticide should be applied for control, commonly used to kill Insecticides include: dichlorvos, trichlorfon, phoxim, cyfluthrin, etc., and are sprayed with water at the required dosage. In the picture, the corn leaves only the veins because it did not control the leaves.
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