Female carpenter bees do have stingers that contain venom, and they're able to sting more than once. Females tend to stay close to their eggs, so you're unlikely to encounter them unless you disturb their nest. Female carpenter bees will only sting if they're directly provoked.

What kind of bee does not sting?

Stingless bees are also known as stingless honey bees or meliponine bees. They are native to tropical regions including Africa, Australia, Asia and tropical America. Females have stingers, but they are small and weak, and not capable of imposing a defensive sting.

Do the really big 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.