(1) Agricultural prevention and control. Remove the cocoon before the adult emerges, eliminate the larvae or pupae, and promptly remove the leaves where the larvae are clustered.

(2)Pharmaceutical prevention and control. When spraying during the larval damage period, commonly used chemicals include 50% fenitrothion EC 1000 times, 50% thiamine EC 1000 times, 50% malathion EC 1000 times, 10% bromohorse EC 2000 times, 20% Chrysanthemum emulsifiable concentrate 2000 times liquid, 20% chlorohorse emulsifiable concentrate 2000 times liquid, 20% fenpropathrin emulsifiable concentrate 2000 times liquid, 2.5% Kungfu 3000-3500 times liquid, 2.5% fentanyl emulsifiable concentrate 3000-3500 times liquid, 20% 3,000 to 3,500 times of liquid of 10% Uranus EC, 3,000 to 3,500 times of liquid, and 4,000 to 5,000 times of 10% Uranus EC.

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