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The bathroom is too damp and not ventilated and dirty, and it is easy to have this insect, so the symptomatic treatment is fine.
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Pour 84 in the water and you're done, they can fly, I don't know what it's called, my house is so neat. It especially likes to breed in moist places with a little bit of water
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It's normal, you can also take medicine.
1.Too damp. Usually add a little more to the number of times you do sanitation 2, it may be where you crawled from, see where there is a hole, plug it. Plug all the bathrooms, spray insecticides inside, and spray more. Stuffy for 1 hour, let the ventilation be turned on, and you all go out, and the smell is dissipated in it.
There is often a small black bug in the bathroom, which should be called a gnat. So, what should you do if this bug appears in the bathroom? The moth is also known as the butterfly fly, the hairy midge (a kind of midge), belonging to the family of the diptera longhorned suborder (hairy midge): >>>More
Ventilation should be maintained. Spray with pesticides and additionally keep it hygienic.
It is recommended to smoke Xiaoqiang's kind of incense, if it is not easy to buy, you can also try the radar or something. >>>More
Cockroach poop.