Pterostichus niger?

Pterostichus niger?

Observation - Pterostichus niger?. Description: It looks like this species to me, quite a large beetle, almost identical in size to a Carabus granulatus found under the same rock, probably close to 20mm. Page for the species at:-http://www.habitas.org.uk/groundbeetles/species.asp?Item=7294

It looks like this species to me, quite a large beetle, almost identical in size to a Carabus granulatus found under the same rock, probably close to 20mm. Page for the species at:-http://www.habitas.org.uk/groundbeetles/species.asp?Item=7294