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Genus Pterostichus

Beetle ID Request - Pterostichus Black Beetle - Pterostichus melanarius Voucher Carabid - Pterostichus lustrans Carabid - Pterostichus pensylvanicus Ground Beetle - Pterostichus sculptus - male Ground Beetle - Pterostichus mutus Pterostichus melanarius - Pterostichus Cow Creek72-J01 - Pterostichus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Carabidae (Ground Beetles)
Subfamily Harpalinae
Supertribe Pterostichitae
Tribe Pterostichini (Woodland Ground Beetles)
Genus Pterostichus
Explanation of Names
Pterostichus Bonelli 1810
Numbers
~180 spp. (incl. 4 adventive) in 23 subgenera in our area, ~1060 spp. total(1)(2)
All subgenera are now represented in the guide
Identification
Mentum tooth emarginate at apex; inner lobe of the maxilla prolonged into a heavily sclerotized, arched, inwardly directed tooth which appears hooked; terminal segment of all palpi cylindrical or fusiform; antennae pubescent from and including the fourth segment; prothorax with single or double laterobasal fovea and with two lateral setae; elytral epipleura crossed. Most species with abbreviated scutellar stria with an ocellate puncture at its base; first metatarsal segment usually with external furrow.
Range
Holarctic, much more diverse in Eurasia; in NA, more diverse in the north and the mountains