Unsure Beetle

Unsure Beetle

Observation - Unsure Beetle - UK and Ireland. Description: Large flying Beetle around moth trap, @20mm+, wouldn't keep still, best pics. Squared wing casings, ribbed, crazy Beetle, never seen one of these. Need help with ID please. Thanks.

Large flying Beetle around moth trap, @20mm+, wouldn't keep still, best pics. Squared wing casings, ribbed, crazy Beetle, never seen one of these. Need help with ID please. Thanks.