Original sentence: Queen and worker bumblebees can sting.Queen and worker bumblebees sting, but only do so in self-defense or if their nest is disturbed.See Schmidt Sting Pain Index.The sting is not barbed like that of the honeybee, so they can sting more than once
Edited sentence: Queen and worker bumblebees sting painfully, but only do so in self-defense or if their nest is disturbed.Their sting is not barbed like that of the honeybee, so they can sting more than once