List of water beetle species recorded in Britain explained
Suborder Adephaga
Note: the family Carabidae (ground beetles), is also part of this suborder; a list of these is at List of ground beetle (Carabidae) species recorded in Britain.
Family Gyrinidae
Family Haliplidae
Family Noteridae
Family Paelobiidae
Family Dytiscidae
Suborder Polyphaga
Infraorder Elateriformia
Superfamily Byrrhoidea
Family Elmidae
- Elmis aenea
- Esolus parallelepipedus
- Limnius volckmari
- Macronychus quadrituberculatus
- Normandia nitens
- Oulimnius major
- Oulimnius rivularis
- Oulimnius troglodytes
- Oulimnius tuberculatus
- Riolus cupreus
- Riolus subviolaceus
- Stenelmis canaliculata
Family Dryopidae
- Pomatinus substriatus
- Dryops anglicanus
- Dryops auriculatus
- Dryops ernesti
- Dryops griseus
- Dryops luridus
- Dryops similaris
- Dryops striatellus
- Dryops nitidulus
Family Limnichidae
Infraorder Staphyliniformia
Superfamily Hydrophiloidea
Family Helophoridae
- Helophorus nubilus
- Helophorus porculus
- Helophorus rufipes
- Helophorus tuberculatus
- Helophorus alternans
- Helophorus aequalis
- Helophorus grandis
- Helophorus arvernicus
- Helophorus brevipalpis
- Helophorus dorsalis
- Helophorus flavipes
- Helophorus fulgidicollis
- Helophorus granularis
- Helophorus griseus
- Helophorus laticollis
- Helophorus longitarsis
- Helophorus minutus
- Helophorus nanus
- Helophorus obscurus
- Helophorus strigifrons
Family Georissidae
Family Hydrochidae
- Hydrochus angustatus
- Hydrochus brevis
- Hydrochus crenatus
- Hydrochus elongatus
- Hydrochus ignicollis
- Hydrochus megaphallus
- Hydrochus nitidicollis
Family Spercheidae
Family Hydrophilidae
Superfamily Staphylinoidea
Family Hydraenidae
- Hydraena britteni
- Hydraena flavipes
- Hydraena gracilis
- Hydraena nigrita
- Hydraena palustris
- Hydraena pulchella
- Hydraena pygmaea
- Hydraena riparia
- Hydraena rufipes
- Hydraena testacea
- Limnebius aluta
- Limnebius crinifer
- Limnebius nitidus
- Limnebius papposus
- Limnebius truncatellus
- Enicocerus exsculptus
- Ochthebius auriculatus
- Ochthebius bicolon
- Ochthebius dilatatus
- Ochthebius aeneus
- Ochthebius lejolisii
- Ochthebius minimus
- Ochthebius difficilis
- Ochthebius nanus
- Ochthebius poweri
- Ochthebius punctatus
- Ochthebius lenensis
- Ochthebius marinus
- Ochthebius pusillus
- Ochthebius viridis
- Aulacochthebius exaratus