Longiusculus-group
Guides
Hydroporus longiusculus
Hydroporus longiusculus is a predaceous diving beetle in the family Dytiscidae. It is one of two species comprising the longiusculus-group within the genus Hydroporus. The species has undergone taxonomic revision, with three former species (H. hirtellus, H. perplexus, H. utahensis) synonymized under it. It is found in the Nearctic region.