Black insect: ID enquiry

Black insect: ID enquiry

Observation - Black insect: ID enquiry - UK and Ireland. Description: For some time, I have been wondering what this insect is. Could it possibly be the spider-hunting wasp Anoplius nigerrimus?

For some time, I have been wondering what this insect is. Could it possibly be the spider-hunting wasp Anoplius nigerrimus?