Aquatic-coleoptera
Guides
Hydrocanthus regius
Hydrocanthus regius is a species of burrowing water beetle in the family Noteridae, described by Young in 1953. The genus Hydrocanthus comprises small aquatic beetles adapted to burrowing in muddy substrates. Species in this genus are found across North America. Very few observations of H. regius exist in public databases, suggesting it is either genuinely rare, under-recorded, or restricted to specific habitats.