Recently, master Li's dragon fruit is gradually ripening, but what worries Master Li is that there are small black spots on the fruit, so that small black spots, soon there will be small insects crawling out, this is the fruit fly on the dragon fruit (orange small fruit fly), Master Li helplessly said: Another year of white busy, fruit flies are coming again!

< h1 class="pgc-h-arrow-right" > the harm of fruit flies? </h1>
Fruit fly host is very extensive, the host is rich, most of the fruit trees in the south may be affected by it, citrus, plum, mango, dragon fruit, are fruit fly favorite, fruit fly can reproduce all year round, and the reproductive speed is faster.
A fruit fly adult worm lays 1000 eggs, the female worm lays eggs on the peel, it can hatch in 24 hours, the larva hatches into the flesh of the fruit and eats violently, after 6-10 days, the larva becomes an old worm, so it bounces and jumps into the soil to pupate, after more than 10 days, the worm pupa can be feathered, just like this, the fruit fly offspring, the scourge of fruit trees is infinite.
Fruit flies can also cause the spread of dragon fruit canker disease, and when fruit flies are serious, there will generally be more dragon fruit ulcer disease.
<h1 class = "pgc-h-arrow-right" > difficult fruit fly</h1>
Many times it is difficult for us to spray pesticides on fruit trees to prevent fruit flies, because only the female of fruit flies lay eggs on the peel, it will fly away, and fruit flies will not stay on the fruit tree for too long.
Farmers orchard spray pesticides, can kill a part of the fruit fly adult insects, but for the overall situation has little impact, but we can sprinkle some insecticide in the soil before the fruit fly feathering, which can reduce the base of fruit flies, generally sprinkle octyl thion granules can be.
<h1 class="pgc-h-arrow-right" > how to control fruit flies to be effective? </h1>
At present, the so-called physical adhesion agent is more effective, but many growers are worried that the sexual pheromones on the physical binder will attract more fruit flies, and this concern is justified.
Dr. Of Agricultural University has begun to study this problem as early as 5 years ago, after years of research, The doctor discovered the secret of fruit fly aggregation, and creatively applied "aggregate element" to fruit fly control.
Fruit Gulcus Fruit Fly Tracking Binder Fruit Fly Yellow Plate Needle Bee Attractant Citrus Pomegranate Trap ¥38 Purchase
When a fruit fly is stuck by the fruit just tracking binder, the fruit just "aggregate element" sticker will "guide" the fruit fly to send a "distress" signal, so the fruit fly's "relatives and friends" will be attracted to it, and finally achieve "one net", and this principle based on "same population gathering" will not attract "foreign" fruit flies.
The use cost of "aggregate" binder is low, less than 10 yuan per acre of land, can be used for more than half a year, and can also lure some flies and the like, the comprehensive benefits are good, it is worth a try.