Hygrotus parallellogrammus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Dytiscidae
- genus: Hygrotus
- species: Hygrotus parallellogrammus
Klagenfurt am Wörthersee
CarinthiaNeulengbach
Lower Austria
AustriaLeucate
A9
FranceKarlskrona
BlekingeSärö
HallandSkanör med Falsterbo
SkåneSkärhamn
Västra Götaland
SwedenAllhallows
Barking
Belvedere
Bembridge
Brading
Brightlingsea
Burnham on Crouch
Canvey Island
Chafford Hundred
Chigwell
Cliffe
Congresbury
Cooling
Dartford
Deal
East Bergholt
Eye
Freshwater
Gravesend
Grays
Hadleigh
Helpston
High Halstow
Highbridge
Hunstanton
Hythe
Ilford
Ipswich
Leigh-on-Sea
Lewes
Leysdown-on-Sea
Newborough
Newhaven
Newington
Paull
Pevensey
Pitsea
Pulborough
Purfleet
Queenborough
Rochester
Saint Osyth
Sandown
Seaview
Sheerness
Sherborne
Shipley
South Benfleet
Southampton
Spixworth
Stanford-le-Hope
Stoke
Stone
Strood
Tilbury
Waltham Abbey
Wandsworth
Welling
Yarmouth
Yatton
England
United Kingdom