Cercyon tristis
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Hydrophilidae
- genus: Cercyon
- species: Cercyon tristis
Barmston- Barrow upon Soar
- Bircotes
- Bishopthorpe
- Blackwell
- Brightlingsea
- Broomfleet
- Budleigh Salterton
- Burgess Hill
- Burton Constable
- Canvey Island
- Castle Donington
- Castleford
- Castor
- Catcliffe
- Chesterfield
- Chigwell
- Christchurch
- Coltishall
- Colyton
- Copmanthorpe
- Cowley
- Cropwell Bishop
- Deighton
- Dersingham
- Doddington
- Donisthorpe
- East Boldon
- East Leake
- Eastrington
- Ellerker
- Enderby
- Esher
- Eye
- Fimber
- Flamborough
- Flitwick
- Fulford
- Godstone
- Goring
- Greatham
- Griston
- Hadleigh
- Hathern
- Helmsley
- Heslington
- Hinchley Wood
- Holtby
- Hook
- Hoole
- Houghton-le-Spring
- Howden
- Ince
- Ivinghoe
- Kegworth
- Kenilworth
- Ledston
- Leven
- Little Hallingbury
- Long Eaton
- Loughborough
- Malton
- Manea
- Manningtree
- Market Bosworth
- Markfield
- Maulden
- Measham
- Melbourne
- Melton Mowbray
- Mickle Trafford
- Misterton
- Mountsorrel
- Murton
- Narborough
- Neston
- Newborough
- Newhaven
- Newport
- North Ferriby
- Oakmere
- Orgreave
- Paull
- Pevensey
- Pickering
- Pinxton
- Pitsea
- Pulborough
- Pulloxhill
- Purfleet
- Queniborough
- Quorndon
- Radcliffe on Trent
- Riccall
- Royal Leamington Spa
- Saint Osyth
- Scalby
- Seaton
- Selby
- Sileby
- South Bank
- South Benfleet
- South Luffenham
- Southall
- Staveley
- Stoke
- Sutton Bonington
- The Boldons
- Thornley
- Thornton
- Treeton
- Ware
- Wedmore
- West Bridgford
- West Rainton
- Whitton
- Wymondham
- York
England- Belfast
Northern Ireland- Kinross
- Lochmaben
- Milnathort
- Seafield
- Selkirk
Scotland
United Kingdom
Zurndorf
Alzingen
Jämjö