Bumblebees, unlike honeybees, are able to sting multiple times, but they are much less likely to sting than hornets, yellow jackets or honeybees. ... The bumblebee workers and queens are the only members of the nest that will sting.

Which bumble bees do not sting?

Only female bumblebees (queens and workers) have a sting; male bumblebees (drones) do not. Contrary to a honeybee sting, the bumblebee sting has no barbs, which means that a bumblebee can pull back its sting without the sting detaching from its abdomen, thus a bumblebee can sting several times.

Do yellow and black bumble bees sting?

How Serious Are Bumblebees? Bumblebees are not as aggressive and likely to sting as are hornets and yellowjackets. Males cannot sting, and females only do so when they feel threatened. Their stings, however, are painful and could be dangerous to those with allergies.