Like most other stinging wasps and bees, bumblebees sting to defend themselves and their nest. Bumblebees, unlike honeybees, are able to sting multiple times, but they are much less likely to sting than hornets, yellow jackets or honeybees.

Why do bees sting me for no reason?

Bees sting for the purpose of self defence or defence of the colony from predators. ... However, they do not sting for no reason. As an example, even though wasps can behave as predators, bees will often be seen foraging close to wasps, with neither insect attacking the other with intent to sting.

How do you stop a bumblebee stinging?

Bee stings are traditionally treated with ice or cold compresses to help reduce pain and swelling. Anti-inflammatories such as Motrin or Advil may also help. You can treat itching and redness with hydrocortisone cream or calamine lotion.