Hydroporus discretus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Dytiscidae
- genus: Hydroporus
- species: Hydroporus discretus
Maria-Anzbach
Lower Austria- Sankt Lorenz
Upper Austria
Austria
Krün
Bavaria- Flechtingen
Saxony-Anhalt
Germany
Drogheda- Greystones
- Loch Garman
- New Ross
Leinster
Ireland
Port Erin
00
Isle Of Man
Ancroft- Ashington
- Askern
- Awsworth
- Bardon Mill
- Bardsey
- Barnham
- Barrow upon Humber
- Basingstoke
- Bawtry
- Bedlington
- Bembridge
- Berkhamsted
- Billingshurst
- Bishopstone
- Borrowash
- Botesdale
- Bourne
- Boxgrove
- Boynton
- Bradfield
- Brading
- Bramhope
- Bridport
- Brockenhurst
- Broughton
- Buntingford
- Burgess Hill
- Carlisle
- Castor
- Catcliffe
- Chapel en le Frith
- Chapletown
- Chigwell
- Choppington
- Codford
- Conisbrough
- Copmanthorpe
- Corsenside
- Cotgrave
- Crawley Down
- Croft
- Cuffley
- Darras Hall
- Deighton
- Didcot
- Dinnington
- Disley
- Easington Colliery
- East Dereham
- East Harling
- East Keswick
- East Molesey
- Farndon
- Farnham Royal
- Flamstead
- Flimby
- Fontwell
- Four Marks
- Glinton
- Goostrey
- Great Bookham
- Greatham
- Greetham
- Griston
- Guiseley
- Hathersage
- Helmsley
- Hemingbrough
- Heslington
- High Barnet
- Hinchley Wood
- Hollingworth
- Holmes Chapel
- Holtby
- Holwick
- Hoole
- Horrabridge
- Howden
- Ilkley
- Ipplepen
- Kingsley
- Kirby Underdale
- Kirkby Stephen
- Knaresborough
- Landewednack
- Ledsham
- Leysdown-on-Sea
- Liss
- Little Hallingbury
- Loftus
- Longdendale
- Maghull
- Maidstone
- Malton
- Marden
- Marholm
- Mayfield
- Melbourne
- Menston
- Mickle Trafford
- Milnrow
- Murton
- Nafferton
- New Mills
- Newbiggin
- Newburn
- Northborough
- Oadby
- Orgreave
- Pembury
- Pickering
- Pittington
- Quorndon
- Richmond
- Rochester
- Rowlands Gill
- Ruddington
- Rushall
- Saint Albans
- Sandown
- Sapcote
- Sawbridgeworth
- Sawtry
- Seaham
- Seaview
- Severn Beach
- Shildon
- Shirebrook
- St. Buryan
- Stalham
- Staveley
- Stevenage
- Stilton
- Stocksbridge
- Stockton
- Stowmarket
- Sutton Courtenay
- Sutton upon Derwent
- Sway
- Thames Ditton
- Thornton
- Tonbridge
- Treeton
- Upton
- Wandsworth
- West Hallam
- West Rainton
- Wheatley
- Wigston Magna
- Winterbourne
- Woodsetts
- Wool
- Woolpit
- Wye
- Wylam
- Yelverton
England- Comber
- Holywood
- Limavady
- Randalstown
Northern Ireland
United Kingdom
Bressanone - Brixen
Beaufort
Karlshamn