Big black beetle

Big black beetle

Observation - Big black beetle. Description: Two of these beetles were found under a log at one of the 'Bug Labs' run for children over the summer. Based on Chinery and other iSpot postings I wonder if it is Pterostichus madidus.

Two of these beetles were found under a log at one of the 'Bug Labs' run for children over the summer. Based on Chinery and other iSpot postings I wonder if it is Pterostichus madidus.