Citrus small fruit fly, also known as needle bee, yellow fly, fruit maggot, is a plant quarantine object, the high incidence of harm in June to November, 1 to 3 months before maturity, fruit accumulation has a certain amount of sugar, small fruit fly will come to harm, now is the late maturing varieties of high incidence of harm period.
The harm of small fruit flies to citrus: adult insects will lay eggs in the fruit, and the larvae moth in the fruit, destroying the capsule, causing the unripe yellow, fruit rot, fruit fall, etc., after being harmed, the fruit has no commodity value.
Citrus needle migration is strong, single spray control effect is not ideal, the best physical control + pharmaceutical control, in the high incidence of harm before the prevention and control, such as sugar orange, orange in the about to change color on the yellow board, booby trap ball, hang insect bottle, load insecticide and so on, began to control.
Hanging yellow plate control (there is insect attractant on it)
Hanging booby trap bottle (coated with insect traps)
Hanging booby traps for control (there is insect trap on it)
The orchard is equipped with insecticidal lamps
When citrus flies are highly harmful, they can be sprayed with agents such as cypermethrin and methrin to drive them away. Fruit that has been infested by small fruit flies should be treated intensively, first killing insects (pentosylthion or cypermethrin) and then burying deeply, and destroying its larvae on the side bottom.
It is not difficult to control small fruit flies, the commonly used method is to hang the yellow plate / booby trap bottle / booby trap ball in advance, the orchard is hung around a circle and in the park, the prevention and control effect is better, plus the high incidence of harm spray drive, you can effectively prevent and control. 【Disclaimer】The content of this article is for reference only!