The Species of the Subgenus Leptoferonia Casey (Coleoptera: Carabidae: Pterostichus )

@inproceedings{Hacker1968TheSO,
  title={The Species of the Subgenus Leptoferonia Casey (Coleoptera: Carabidae: Pterostichus )},
  author={Hilary A. Hacker},
  year={1968}
}
The purpose of this paper is to facilitate identification of the species in the subgenus Leptoferonia Casey of the genus Pterostichus Bonelli. As currently defined, the subgenus may be an artificial grouping of species. After the subgenus Hypherpes Chaudoir has been revised, it may be possible to clarify the relationships between the two subgenera and between the species within Leptojeronia. The subgenus Leptoferonia is composed of 21 species that occur from British Columbia south through… 

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