I carefully photographed, she calmly and sat, did not fly away. After all, if she stings something very painful, and she does not lose a sting, accordingly she can repeatedly bite. In all likelihood, for people with allergies, the bite of a wasp is dangerous because of seizures suffocation. This response is typical for people in their age and who have low immunity. I do not know if it's true or not, they say that the wasps are vindictive. They remember the smell of the offender, because if they live somewhere nearby, they attack the abuser regularly. If the wasp is too annoying you do not have to take any sudden gestures, run back, swing your arms, you have to quietly restrain yourself. The main thing is not to forget that a significant mass of poisonous aspen substance is deadly dangerous!