Luckily because Berna has proven herself to be a dumb ass - I tend to get on her quick when I see her messing with something I don't instantly recognise
I thought she was playing with a bit of string. So I was grabbing for her to make sure she didn't eat string. SURPRISE that thing I couldn't quite see what she was batting at was in fact an insect. And it was not a fly.
It is now under the tree where I know it's hive is. although I'm worried it's not going to make it. It wasn't trying to fly at all so I'm worried Berna hurt it's wing. Hopefully it's just tired or too scared.
No, she doesn't seem to have been stung.
I have no idea how she's managed to avoid being stung.