Control method of bitter melon yellow belly moth

First, the harm symptoms

The newly hatched larvae live on the backs of the leaves and feed on the leaves and leaves the epidermis. They can disperse after being slightly larger. The older larvae bite on the leaves, leaving only the main veins and petioles.

Second, control methods

(1) Eradication of weeds or digging of trenches around the affected fields.

(2) Use black light to trap adult insects.

(3) Destroying the leaves of eggs or clusters of newly hatched larvae at the egg stage in time.

(4) Pharmacy rule of law. Before the third instar larvae were selected, they were given medication in the morning or late afternoon. Use cypermethrin pesticides to evenly spray water, such as 5% lefluxin EC, 25% kungfu EC, and 2.5% dichlorfon 2000 to 3000 times spray. Or use 48% chlorpyrifos EC 1000 to 1500 times.

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