Quote Originally Posted by sqkcrk View Post
What doesn't seem possible?
Once the stinger entrails have left the bee there is nothing to push against as a reactive force. I thought...

After studying the diagram that Intheswamp linked to there may be a possibility it could happen. I didn't realize that the bee's stinger was two split barbs. If the pumping action results in a see saw action of those barb stingers they could walk their way in deeper, one pushing against the other. That would be one clever sting mechanism.