Hydrovatus acuminatus- Hydrovatus aristidis
- Hydrovatus badeni
- Hydrovatus bonvouloiri
- Hydrovatus brevipes
- Hydrovatus cardoni
- Hydrovatus castaneus
- Hydrovatus clypealis
- Hydrovatus confertus
- Hydrovatus cuspidatus
- Hydrovatus davidis
- Hydrovatus enigmaticus
- Hydrovatus flammulatus
- Hydrovatus fractus
- Hydrovatus frater
- Hydrovatus fulvescens
- Hydrovatus gracilis
- Hydrovatus hornii
- Hydrovatus laosensis
- Hydrovatus leconteii
- Hydrovatus nigricans
- Hydrovatus nigrita
- Hydrovatus oblongipennis
- Hydrovatus opacus
- Hydrovatus parallelus
- Hydrovatus peninsularis
- Hydrovatus picipennis
- Hydrovatus pinguis
- Hydrovatus platycornis
- Hydrovatus pudicus
- Hydrovatus pumilus
- Hydrovatus pustulatus
- Hydrovatus regimbarti
- Hydrovatus rufescens
- Hydrovatus rufoniger
- Hydrovatus sandwichensis
- Hydrovatus seminarius
- Hydrovatus senegalensis
- Hydrovatus sharpi
- Hydrovatus subrotundatus
- Hydrovatus subtilis