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Keep the bathroom hygienic and ventilated, try to be as dry as possible, and usually spray vinegar or the like, or put some mothballs.
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Do you often wash fruit in the bathroom?
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Family members have urine sugar effects, check the body,
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If you don't want these bugs to appear at home, try to ventilate your home and prevent moisture.
My family used to have it too, and now it's been resolved. >>>More
It should be a common moth midge, regularly flush the toilet floor with boiling water to kill the larvae and eggs, and manually pat the adults to death.
This small flying insect is often referred to as the "gutter fly". It is commonly found in humid environments such as kitchens and bathrooms in old houses, and the fundamental way to prevent and control it is to clean up the living environment. >>>More
Spray with insecticide first! The action to write down is to keep the bathroom hygienic every day, and it is best to clean it frequently with "Mr. Mighty" or Toilet Cleaner!
A method was taught in the TV show, use a small beverage bottle, add less than half a bottle of 84 disinfectant to it, and prick some small holes in the upper part of the bottle, and put the bottle in a place where small insects are easy to infest, such as the drain. My family has tried it and it works very well.