Bee attack!

Bee attack!

Observation - Bee attack! - UK and Ireland. Description: I spotted this honey bee on a nettle leaf overhanging the Erewash canal when the 'waspy' looking insect attacked it. Could you please let me know what it is and why it engaged in this behaviour?

I spotted this honey bee on a nettle leaf overhanging the Erewash canal when the 'waspy' looking insect attacked it. Could you please let me know what it is and why it engaged in this behaviour?