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Kill with pesticides first.
Later, keep it clean, dry and ventilated. On sunny days, you should dry your mattress more.
The cockroach, nicknamed Xiaoqiang, has a strong reproductive ability, so quickly killed and washed away with water.
This is a German cockroach, but also a cockroach, I have a lot of them, there is no way to eliminate it all in the world at present, and its origin is earlier than the dinosaurs.
Cause of water leakage: BAI
The waterproof layer is horizontal. >>>More
Slug --- slug (kuòyú), also known as water slug, in some areas of southern China, called slug (not slug), commonly known as slug, is a mollusk, and part of the snail composed of pulmonary, hermaphroditic, looks like a shellless snail, the body surface is moist with mucus, harmful to crops, harmless to the human body. It is sometimes mistaken for a leech in wild meadows.
It is caused by sanitation and citrus water, and after removing it, pay attention to hygiene and remove the citrus water regularly.