Hygrotus decoratus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Dytiscidae
- genus: Hygrotus
- species: Hygrotus decoratus
Rust- Wallern im Burgenland
Burgenland
Austria- Luxembourg
Leksand
Dalarna- Brevik
- Vallentuna
Stockholm- Storvreta
Uppsala- Karlstad
Värmland
Sweden
Bodle Street- Breighton
- Bridgwater
- Bromborough
- Brundall
- Bubwith
- Burgess Hill
- Chigwell
- Coltishall
- Copmanthorpe
- Earley
- East Harling
- East Molesey
- Esher
- Griston
- Guildford
- Hertford
- Hinchley Wood
- Ipswich
- Knaresborough
- Ledsham
- Lewes
- Little Amwell
- Market Harborough
- Martham
- Pevensey
- Riccall
- Robertsbridge
- Saint Albans
- Stalham
- Strensall
- Tetney
- Thames Ditton
- Theydon Bois
- Uckfield
- Waterbeach
- Wedmore
- Woolwich
England
United Kingdom
Bolzano
Aspelt
Jussy