Wasp for ID, please

Wasp for ID, please

Observation - Wasp for ID, please - UK and Ireland. Description: A predominantly black, ophion-type wasp. Red/brown fore-femurs and hind-and mid-tibias. Can anyone help with an ID, please?

A predominantly black, ophion-type wasp. Red/brown fore-femurs and hind-and mid-tibias. Can anyone help with an ID, please?