Hygrotus confluens
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Dytiscidae
- genus: Hygrotus
- species: Hygrotus confluens
Neulengbach
Lower Austria
Austria
Särö
Halland- Nybro
Kalmar- Ljunghusen
- Lomma
- Malmö
Skåne
Sweden
Alton- Aylesford
- Backworth
- Banwell
- Barlborough
- Barnet
- Bassingbourn
- Bayswater
- Beighton
- Belvedere
- Berrington
- Billinghay
- Blackheath
- Blackwell
- Blaydon-on-Tyne
- Bootle
- Bordon
- Boughton
- Breighton
- Brimscombe
- Brockenhurst
- Brough
- Burgess Hill
- Burnham on Crouch
- Burnopfield
- Burton Pidsea
- Cambridge
- Carlisle
- Castleford
- Chapel Allerton
- Chelsea
- Cheshunt
- Chigwell
- Cleethorpes
- Comberton
- Congresbury
- Conisbrough
- Cosby
- Cottenham
- Cresswell
- Crewe
- Cromford
- Crosby
- Dagenham
- Darfield
- Deal
- Dinnington
- Easington
- East Boldon
- East Molesey
- Ellerton
- Elm Park
- Etwall
- Euxton
- Eynsham
- Farnham
- Filey
- Finchampstead
- Finningley
- Formby
- Gateshead
- Glastonbury
- Goostrey
- Gravesend
- Great Bookham
- Great Sankey
- Greenford
- Griston
- Hackney
- Haigh
- Hale
- Hammersmith
- Harleston
- Harrold
- Harrow
- Harrow on the Hill
- Harthill
- Haywards Heath
- Helpston
- Hemingford Grey
- Hessle
- Heywood
- High Barnet
- High Halstow
- Highbridge
- Hinchley Wood
- Histon
- Hollym
- Holmpton
- Howden
- Hunstanton
- Ipswich
- Ivinghoe
- Kensington
- Killamarsh
- Kingsley
- Kingston upon Thames
- Knaresborough
- Ledston
- Leeds
- Lewes
- Litherland
- Little Amwell
- Little Houghton
- Long Ashton
- Long Eaton
- Lyndhurst
- Lynemouth
- Marazion
- Marholm
- Maryport
- Matlock
- Melbourn
- Meldreth
- Mexborough
- Mitcham
- Mobberley
- Narborough
- Newburn
- Newcastle upon Tyne
- Newhaven
- Newington
- Northolt
- Pelton
- Pershore
- Pevensey
- Pickering
- Pinxton
- Pitsea
- Purfleet
- Radley
- Ravenstone
- Redbourn
- Repton
- Ringmer
- Ringway
- Robertsbridge
- Rowlands Gill
- Saint Osyth
- Sandford
- Selsey
- Severn Beach
- Shalfleet
- Sheringham
- Shirebrook
- Shiremoor
- South Nutfield
- Southall
- Spixworth
- Stanford-le-Hope
- Staveley
- Stevenage
- Stone
- Stroud
- Sutton Courtenay
- Sway
- Thames Ditton
- Thornton
- Tideswell
- Tilbury
- Ufford
- Upton
- Uttoxeter
- Walkden
- Walthamstow
- Wandsworth
- Waterbeach
- Waterloo
- Welling
- Wentworth
- West Bridgford
- West Hallam
- West Rainton
- Whickham
- White Waltham
- Whittlesey
- Whitton
- Winscombe
- Winterbourne
- Wirksworth
- Withernsea
- Wombwell
- Wye
- Yatton
- Yaxley
England- Crossgates
- Irvine
- Slamannan
- Stevenston
Scotland
United Kingdom
Beaufort