Boreonebria
Guides
Nebria crassicornis crassicornis
A subspecies of ground beetle in the family Carabidae, originally described from western North America. As a member of the subgenus Boreonebria, it belongs to a lineage of cold-adapted carabid beetles typically associated with montane and boreal environments. The subspecific designation indicates geographic or morphological variation within the broader species N. crassicornis.
Nebria crassicornis intermedia
Nebria crassicornis intermedia is a subspecies of ground beetle in the family Carabidae, described by Van Dyke in 1949. It belongs to the subgenus Boreonebria within the genus Nebria, a group of carabid beetles often associated with cool, moist environments. The subspecies designation indicates geographic variation within the broader species N. crassicornis, which occurs in western North America.