Beetle id please

Beetle id please

Observation - Beetle id please - UK and Ireland. Description: I disturbed this beele while walking in a cutover bog today,it was running from clump to clump of moss,about 15-17mm long ,bronze to black in colour.

I disturbed this beele while walking in a cutover bog today,it was running from clump to clump of moss,about 15-17mm long ,bronze to black in colour.