Wasp venom contains a pheromone that causes other wasps to become more aggressive.
We all know that wasps can sting repeatedly, but here are some facts about wasps you may not know
The sting of a wasp should wear off within 24 hours, but for a small minority of people, the venom in their sting causes anaphylactic shock which can be fatal.
Though wasp stings hurt, symptoms normally improve after a few hours
Though wasp sting hurt, symptoms normally improve after a few hours but you may still feel irritation and swelling for a few days.
Most wasps are capable of stinging numerous times
Unlike many bee species, most wasps are capable of stinging numerous times because their stinger is not barbed.