Subgenus
Hypherpes
Pterostichus lama. Photo: (c) Charlene Wood, some rights reserved (CC BY-NC-SA)
Pterostichus is a very large genus of ground beetles with a Holarctic distribution in the subfamily Harpalinae. It has over 1,100 species. The beetles are predatory, but sometimes feed on strawberries. They can be found under rocks and prefer slightly moist, sandy soil although preferences differ between species. Pterostichus contains the following species: