Cercyon melanocephalus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Hydrophilidae
- genus: Cercyon
- species: Cercyon melanocephalus
Zell am See
Salzburg- Admont
- Hohentauern
Styria
Austria
Loughrea
Connaught
Ireland
Färila
Gävleborg- Fjärås kyrkby
- Haverdal
Halland- Överkalix
Norrbotten- Ljunghusen
Skåne- Brevik
- Råsunda
- Vallentuna
Stockholm- Eriksbo
- Hammarkullen
- Mölnlycke
Västra Götaland
Sweden
Ancroft- Barrow upon Soar
- Berkeley
- Bidford-on-avon
- Botesdale
- Brignall
- Burgess Hill
- Burnopfield
- Burton Pidsea
- Carlisle
- Castleford
- Cheshunt
- Chigwell
- Conisbrough
- Cowley
- Denham
- Dursley
- East Boldon
- Enderby
- Ford
- Gainsborough
- Harleston
- Hathern
- Houghton on the Hill
- Langham
- Ledston
- Long Eaton
- Lydbrook
- Maidstone
- Marstow
- Narborough
- Oakham
- Pilsley
- Queenborough
- Quorndon
- Ripon
- Rochester
- Rowlands Gill
- Ruardean
- Sevenoaks
- Shipston on Stour
- Sileby
- Southam
- Staveley
- Stoke
- Stroud
- Sutton Bonington
- Tadworth
- Tarvin
- Turnastone
- Upton
- Waltham Abbey
- Waltham Cross
- Waverton
- Westonzoyland
- Whitchurch
- Whitton
- Winsford
- Wotton-under-Edge
England- Ardglass
- Culmore
- Downpatrick
- Hillsborough
- Kilkeel
Northern Ireland
United Kingdom
Dalheim