| Hydrobius | |
|---|---|
| Hydrobius fuscipes | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Insecta |
| Order: | Coleoptera |
| Suborder: | Polyphaga |
| Infraorder: | Staphyliniformia |
| Family: | Hydrophilidae |
| Tribe: | Hydrophilini |
| Genus: | Hydrobius Leach, 1815 |
Hydrobius is a genus of hydrophilid beetles that contains nine species distributed throughout the Holarctic realm.