Blisters form 4 hours after being stung.If broken, the blisters can lead to bacterial infection.Hypersensitive people may have allergic reactions, even anaphylactic shock or death.

• 4小时后，在被螫处会形成水泡，若水泡破裂后伤口易引起细菌感染，体质敏感的人会产生过敏反应，严重者会休克甚至死亡。