Synonyms: Argutor difficilis; Argutor dilatatus; Argutor maritimus; Argutor pyrenaeus (heterotypic); Argutor strenuus; Argutor strenuus barthei; Carabus erythropus (heterotypic); Carabus exaratus (heterotypic); Carabus gagates; Carabus strenuus (heterotypic); Feronia difficilis; Feronia intermedia; Feronia strenua; Feronia wasastjernae (heterotypic); Harpalus pygmaeus (heterotypic); Phonias strenuus; Platysma nigriceps; Platysma solers; Pterostichus difficilis; Pterostichus erythropus (heterotypic); Pterostichus gagates; Pterostichus intermedius (heterotypic); Pterostichus lectulus; Pterostichus nigriceps; Pterostichus pygmaeus; Pterostichus silesiacus (heterotypic); Pterostichus solers; Pterostichus wasastjernae