List of water beetle species recorded in Britain

= 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

* "Gyrinus aeratus"
* "Gyrinus caspius"
* "Gyrinus distinctus"
* "Gyrinus marinus"
* "Gyrinus minutus"
* "Gyrinus natator"
* "Gyrinus opacus"
* "Gyrinus paykulli"
* "Gyrinus substriatus"
* "Gyrinus suffriani"
* "Gyrinus urinator"
* "Orectochilus villosus" — hairy whirligig beetle

Family Haliplidae

* "Brychius elevatus"
* "Peltodytes caesus"
* "Haliplus confinis"
* "Haliplus obliquus"
* "Haliplus varius"
* "Haliplus lineatocollis"
* "Haliplus apicalis"
* "Haliplus fluviatilis"
* "Haliplus furcatus"
* "Haliplus heydeni"
* "Haliplus immaculatus"
* "Haliplus lineolatus"
* "Haliplus ruficollis"
* "Haliplus sibiricus"
* "Haliplus flavicollis"
* "Haliplus fulvus"
* "Haliplus laminatus"
* "Haliplus mucronatus"
* "Haliplus variegatus"

Family Noteridae

* "Noterus clavicornis"
* "Noterus crassicornis"

Family Paelobiidae

* "Hygrobia hermanni"

Family Dytiscidae

*"Agabus arcticus"
*"Agabus congener"
*"Agabus sturmii"
*"Agabus labiatus"
*"Agabus uliginosus"
*"Agabus undulatus"
*"Agabus affinis"
*"Agabus biguttatus"
*"Agabus bipustulatus"
*"Agabus brunneus"
*"Agabus conspersus"
*"Agabus didymus"
*"Agabus guttatus"
*"Agabus melanarius"
*"Agabus nebulosus"
*"Agabus paludosus"
*"Agabus striolatus"
*"Agabus unguicularis"
*"Ilybius aenescens"
*"Ilybius ater"
*"Ilybius chalconatus"
*"Ilybius fenestratus"
*"Ilybius fuliginosus"
*"Ilybius guttiger"
*"Ilybius montanus"
*"Ilybius quadriguttatus"
*"Ilybius subaeneus"
*"Ilybius wasastjernae"
*"Platambus maculatus"
*"Colymbetes fuscus"
*"Rhantus grapii"
*"Rhantus bistriatus"
*"Rhantus exsoletus"
*"Rhantus frontalis"
*"Rhantus suturalis"
*"Rhantus suturellus"
*"Liopterus haemorrhoidalis"
*"Acilius canaliculatus"
*"Acilius sulcatus"
*"Graphoderus bilineatus"
*"Graphoderus cinereus"
*"Graphoderus zonatus"
*"Cybister lateralimarginalis"
*"Dytiscus circumcinctus"
*"Dytiscus circumflexus"
*"Dytiscus dimidiatus"
*"Dytiscus lapponicus"
*"Dytiscus marginalis" - great diving beetle
*"Dytiscus semisulcatus"
*"Hydaticus continentalis"
*"Hydaticus seminiger"
*"Hydaticus transversalis"
*"Bidessus minutissimus"
*"Bidessus unistriatus"
*"Hydroglyphus geminus"
*"Deronectes latus"
*"Graptodytes bilineatus"
*"Graptodytes flavipes"
*"Graptodytes granularis"
*"Graptodytes pictus"
*"Hydroporus angustatus"
*"Hydroporus discretus"
*"Hydroporus elongatulus"
*"Hydroporus erythrocephalus"
*"Hydroporus ferrugineus"
*"Hydroporus glabriusculus"
*"Hydroporus gyllenhalii"
*"Hydroporus incognitus"
*"Hydroporus longicornis"
*"Hydroporus longulus"
*"Hydroporus marginatus"
*"Hydroporus melanarius"
*"Hydroporus memnonius"
*"Hydroporus morio"
*"Hydroporus necopinatus"
*"Hydroporus neglectus"
*"Hydroporus nigrita"
*"Hydroporus obscurus"
*"Hydroporus obsoletus"
*"Hydroporus palustris"
*"Hydroporus planus"
*"Hydroporus pubescens"
*"Hydroporus rufifrons"
*"Hydroporus scalesianus"
*"Hydroporus striola"
*"Hydroporus tessellatus"
*"Hydroporus tristis"
*"Hydroporus umbrosus"
*"Nebrioporus assimilis"
*"Nebrioporus depressus"
*"Nebrioporus elegans"
*"Nebrioporus canaliculatus"
*"Oreodytes alpinus"
*"Oreodytes davisii"
*"Oreodytes sanmarkii"
*"Oreodytes septentrionalis"
*"Porhydrus lineatus"
*"Scarodytes halensis"
*"Stictonectes lepidus"
*"Stictotarsus duodecimpustulatus"
*"Stictotarsus multilineatus"
*"Suphrodytes dorsalis"
*"Hydrovatus clypealis"
*"Hygrotus confluens"
*"Hygrotus impressopunctatus"
*"Hygrotus nigrolineatus"
*"Hygrotus novemlineatus"
*"Hygrotus parallelogrammus"
*"Hygrotus decoratus"
*"Hygrotus inaequalis"
*"Hygrotus quinquelineatus"
*"Hygrotus versicolor"
*"Hyphydrus ovatus"
*"Laccornis oblongus"
*"Laccophilus hyalinus"
*"Laccophilus minutus"
*"Laccophilus poecilus"

Suborder Polyphaga

Infraorder Elateriformia

Superfamily Byrrhoidea

Family Elmidae

* "Elmis aenea"
* "Esolus parallelepipedus"
* "Limnius volckmari"
* "Macronychus quadrituberculatus"
* "Normandia nitens"
* "Oulimnus major"
* "Oulimnus rivularis"
* "Oulimnus troglodytes"
* "Oulimnus 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

* "Limnichus pygmaeus"

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

* "Georissus crenulatus"

Family Hydrochidae

* "Hydrochus angustatus"
* "Hydrochus brevis"
* "Hydrochus crenatus"
* "Hydrochus elongatus"
* "Hydrochus ignicollis"
* "Hydrochus megaphallus"
* "Hydrochus nitidicollis"

Family Spercheidae

* "Spercheus emarginatus"

Family Hydrophilidae

*"Anacaena bipustulata"
*"Anacaena globulus"
*"Anacaena limbata"
*"Anacaena lutescens"
*"Paracymus aeneus"
*"Paracymus scutellaris"
*"Berosus affinis"
*"Berosus luridus"
*"Berosus signaticollis"
*"Berosus fulvus"
*"Chaetarthria seminulum"
*"Chaetarthria simillima"
*"Cymbiodyta marginellus"
*"Enochrus affinis"
*"Enochrus bicolor"
*"Enochrus coarctatus"
*"Enochrus fuscipennis"
*"Enochrus halophilus"
*"Enochrus melanocephalus"
*"Enochrus nigritus"
*"Enochrus ochropterus"
*"Enochrus quadripunctatus"
*"Enochrus testaceus"
*"Helochares lividus"
*"Helochares obscurus"
*"Helochares punctatus"
*"Hydrobius fuscipes"
*"Limnoxenus niger"
*"Hydrochara caraboides" - lesser silver water beetle
*"Hydrophilus piceus" - great silver water beetle
*"Laccobius atratus"
*"Laccobius bipunctatus"
*"Laccobius colon"
*"Laccobius minutus"
*"Laccobius obscuratus"
*"Laccobius simulatrix"
*"Laccobius sinuatus"
*"Laccobius striatulus"
*"Laccobius ytenensis"
*"Coelostoma orbiculare"
*"Dactylosternum abdominale"
*"Cercyon alpinus"
*"Cercyon bifenestratus"
*"Cercyon convexiusculus"
*"Cercyon depressus"
*"Cercyon granarius"
*"Cercyon haemorrhoidalis"
*"Cercyon impressus"
*"Cercyon laminatus"
*"Cercyon lateralis"
*"Cercyon littoralis"
*"Cercyon marinus"
*"Cercyon melanocephalus"
*"Cercyon nigriceps"
*"Cercyon obsoletus"
*"Cercyon pygmaeus"
*"Cercyon quisquilius"
*"Cercyon sternalis"
*"Cercyon terminatus"
*"Cercyon tristis"
*"Cercyon unipunctatus"
*"Cercyon analis"
*"Cercyon ustulatus"
*"Megasternum concinnum"
*"Cryptopleurum crenatum"
*"Cryptopleurum minutum"
*"Cryptopleurum subtile"
*"Sphaeridium bipustulatum"
*"Sphaeridium lunatum"
*"Sphaeridium marginatum"
*"Sphaeridium scarabaeoides"

uperfamily 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"