Psydrinae
Guides
Nomius
Nomius is a genus of ground beetles (Carabidae) in the tribe Psydrini, subfamily Psydrinae. The genus contains at least one well-documented species, Nomius pygmaeus, which exhibits a remarkable disjunct distribution across North America, Europe, and Asia. Members are characterized by their isolated phylogenetic position within the Harpalinae subfamily.
Psydrus piceus
Psydrus piceus is a species of ground beetle in the family Carabidae, subfamily Psydrinae. The genus Psydrus is a small group within Carabidae, and P. piceus represents one of the few described species in this genus. The species has been documented in North America, with records from both the United States and Canada.