Of North American Dicaelus this one most resembles "Pterostichus", is smallest (less than 15 mm), shiniest, and does not have elytral interval 7 carinate like the others.
Range
QC-IA south to AL-SC.
Contributed by tom murray on 21 May, 2008 - 7:23pm Additional contributions by Thrasher Last updated 21 February, 2016 - 7:09pm