Length: 11 - 15 mm
Ground Beetles in the genus Platynus are nearly always found under rocks or other cover in damp places. These damp places range from river banks to sphagnum bogs.
Some key traits of this genus:
Photo data (upper photo): 9 June 2006. Beside pond, Ruraldale, Upshur County, West Virginia.
Photo data (middle photo): 8 October 2005. Holly River State Park, Webster County, West Virginia.
Photo data (bottom photo): 16 June 2006. Cheat Summit Fort, Randolph County, West Virginia.