At present, the white moth wax beetles begin to accumulate on the longan ear, harming the sap, causing fruit drop, secreting mucus, and inducing soot disease, affecting the fruit's enlargement and maturity. Therefore, prevention and control should be conducted in time to protect the fruits.
Control methods At present, attention is paid to the examination of longan ear, and it is found that white larvae are adsorbed on the ear, and beating, and when white cotton is attached, it is necessary to continuously spray 2-3 times of low-toxic high-effective insecticide and pyrethroid pesticide mixture. , 800 times 90% trichlorfon, 1500 times 2.5% deltamethrin mixture, or 1500 times 48% chlorpyrifos, 1500 times 5.7% cyfluthrin mixture, spray once every 7-10 days, evenly spray all The leaves and ears should be dropped with water drops. 10-15 minutes after spraying, the white moth paraffins fell to death, the insecticidal rate of 95% or more.
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