In late summer wasps, like fly into a rage. Attacks on humans happen more often. The experts found out that the reason for such hatred of insects to mankind is alcohol.
It is important to remember that the bite of the stinging insects can cause anaphylactic shock in people with allergies. People who are prone to such a state, when a wasp sting should get professional medical help promptly. Otherwise there is a risk of complications including death.
Any stinging insects may attack a human for no apparent reason. To explain why this is so, only after careful assessment of the incident. All wasps are very negative attitude to the fact, when a person drives individual wasps hand. This behavior is perceived insects as an attack. Unnecessary and sudden movements when meeting with the OCA is better not to do it, then the insect just fly his way and will not touch the person.