There are always small flying insects in flowers. Is there any way to eliminate them?

Using the chemical tropism of insects, the sweet and sour solution is used to trap and kill them: the specific method is: add the sweet and sour solution into a small pot, spray a little insecticide into it and put it next to the plants. After half an hour's action, you will find many dead bugs. But this method is not easy to "kill" small flying insects. The best way is to remove a layer of 3-5cm topsoil and backfill it with fine sand, so that a layer of fine sand can effectively isolate and attract flying insects, and the sand is breathable and will not affect the breathing of plants.

Try not to use decomposable fertilizer at ordinary times, and spread a layer of sand or other media on the surface of the basin soil to isolate the original basin soil from the air, so that there will be no small flying insects; Control insects with drugs. If you find small flying insects, you can spray mosquito killer at home, close the bedroom door or spray it when you go out, and open the window for ventilation after you go home, which will not cause harm to your family. You can chop up onions, then add water and sprinkle them evenly on the flowers. This will kill the eggs on the flowers, and the flying insects will not come back when they smell this smell.

Hanging a yellow board, using the yellowing characteristics of insects, will catch flying insects, which can play a certain role in preventing insects. And has no adverse effect on human health. In addition, we can put some mothballs beside the flowerpot and use the smell of mothballs to drive away some bugs. We can also hang an incandescent lamp with 10O watt on the balcony and turn on the trematode at night. Flying insects tend to glow, and when they touch incandescent lamps, they will fall down immediately but not necessarily die. If you catch a basin of water below, they will all drown.

Plant mint on the countertop of the window to drive away mosquitoes with the special smell of mint. Twist the dried Artemisia argyi leaves into a rope, light it and put it in the room. The smoke of mugwort leaves can repel mosquitoes. Soak 5 grams of cigarette shreds in water, about 500 ml of water, for 24 hours, gently knead, and then filter out tobacco residues until the water turns brown. Watering flowers with this brown water has obvious effect on removing small flying insects.