Hydroporus tristis
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Dytiscidae
- genus: Hydroporus
- species: Hydroporus tristis
Gramatneusiedl- Moosbrunn
Lower Austria- Reith bei Kitzbühel
Tyrol
Austria- Italy
Eschen
Eschen- Gamprin
Gamprin- Mauren
Mauren- Ruggell
Ruggell- Schellenberg
Schellenberg
Liechtenstein
Bertrange
03
Luxembourg
Hudiksvall
Gävleborg- Råneå
Norrbotten- Eriksbo
- Hammarkullen
Västra Götaland
Sweden
Addlestone- Ambleside
- Ascot
- Ashley
- Axbridge
- Bardon Mill
- Barlby
- Belsize Park
- Bordon
- Botesdale
- Brockenhurst
- Bury
- Castleside
- Cheddar
- Chertsey
- Church Stretton
- Clipsham
- Copmanthorpe
- Crowle
- Cuddington
- Dersingham
- Doddington
- Dukinfield
- East Boldon
- East Harling
- East Molesey
- Eastrington
- Ellerton
- Elstead
- Esher
- Farnham
- Fleet
- Frimley
- Glossop
- Griston
- Hale
- Hathersage
- Haughton Green
- Hayfield
- High Peak
- Hinchley Wood
- Hyde
- Ilkley
- Ipswich
- Keswick
- Kingsley
- Kirknewton
- Liphook
- Lyndhurst
- Market Harborough
- Martham
- Melbourne
- Meltham Mills
- Muggleswick
- Murton
- Newmarket
- Newport
- Normandy
- Oakmere
- Prescot
- Pulborough
- Riccall
- Ripley
- Scotter
- Seascale
- South Bank
- Strensall
- Sunningdale
- Sutton upon Derwent
- Sway
- Thames Ditton
- Thornton
- Three Legged Cross
- Tow Law
- Wareham
- Whittingham
- Wilmslow
- Woking
- Yateley
England- Randalstown
Northern Ireland
United Kingdom
Marion- Marion Center
Massachusetts
United States
Krün
Aldino - Aldein