Acneus quadrimaculatus
Acneus quadrimaculatus is a species of water penny beetle in the family Psephenidae. It is endemic to the United States with records from California and Oregon. Adults occur in riparian vegetation.
Acneus quadrimaculatus is a species of water penny beetle in the family Psephenidae. It is endemic to the United States with records from California and Oregon. Adults occur in riparian vegetation.