Digger wasps in wooden porch

Digger wasps in wooden porch

Observation - Digger wasps in wooden porch - UK and Ireland. Description: Looks like 2 digger wasps (Ectemnius sp?) have set up residence in the open wooden porch of my house. Initially I thought they might be cuckoo bees (Nomada species), but iSpot user Syrphus has put me on the right trail (they look very similar). They are v

Looks like 2 digger wasps (Ectemnius sp?) have set up residence in the open wooden porch of my house. Initially I thought they might be cuckoo bees (Nomada species), but iSpot user Syrphus has put me on the right trail (they look very similar). They are very active and appear to excavating 3 or four holes in the wooden cross-beams.