Yongjian line weather

That thing is called midge, commonly known as biting.

It is said that you can buy a bottle of vitamin B 1, which is very cheap. Take two tablets before mosquitoes appear. According to reports, after vitamin B 1 is ingested into the human body, after metabolism in the body, some metabolites are secreted to the body surface with sweat. This metabolite has a special smell, and mosquitoes dare not approach it.