Hydrometra stagnorum
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hemiptera
- family: Hydrometridae
- genus: Hydrometra
- species: Hydrometra stagnorum
Bad Vöslau- Eichgraben
- Gablitz
- Gießhübl
- Gresten
- Klosterneuburg
- Kottingbrunn
- Purkersdorf
Lower Austria- Söchau
Styria- Vienna
Vienna
Austria
Aalst- Aarschot
- Antwerpen
- Assenede
- Balen
- Beernem
- Bever
- Bilzen
- Bornem
- Bree
- De Panne
- Deinze
- Dendermonde
- Grobbendonk
- Harelbeke
- Heist-op-den-Berg
- Herent
- Herentals
- Herk-de-Stad
- Herselt
- Hoeilaart
- Holsbeek
- Houthulst
- Huldenberg
- Ieper
- Ingelmunster
- Kalmthout
- Kaprijke
- Knokke-Heist
- Lanaken
- Ledeberg
- Leopoldsburg
- Lubbeek
- Machelen
- Maldegem
- Mechelen
- Meise
- Nazareth
- Niel
- Oosterzele
- Oud-Heverlee
- Oud-Turnhout
- Overijse
- Overpelt
- Pittem
- Ravels
- Schelle
- Scherpenheuvel-Zichem
- Sint-Katelijne-Waver
- Sint-Kruis
- Steenokkerzeel
- Stekene
- Tervuren
- Tessenderlo
- Torhout
- Veurne
- Vorselaar
- Wemmel
- Wevelgem
- Wichelen
- Zemst
- Zingem
- Zonhoven
- Zuienkerke
Flanders- Aubel
Wallonia
Belgium- France
Rahnsdorf
Berlin- Offenbach
Hesse- Borken
North Rhine-Westphalia- Biesdorf
- Döttesfeld
- Echternacherbrück
- Güllesheim
- Horhausen
- Körperich
- Pleckhausen
- Sinzig
- Wallendorf
Rheinland-Pfalz- Höckendorf
- Wachau
Saxony- Borxleben
Thuringia
Germany
Echternach
02
Luxembourg
Lund- Skanör med Falsterbo
Skåne- Stenkullen
Västra Götaland- Ås
Örebro
Sweden
Acle- Aldbrough
- Alderholt
- Alfreton
- Alvechurch
- Ampthill
- Arlesey
- Arnside
- Asfordby
- Ashby de la Zouch
- Ashford
- Ashley
- Askam in Furness
- Askern
- Aspley Guise
- Aston Clinton
- Astwick
- Astwood Bank
- Atherton
- Awsworth
- Axbridge
- Babworth
- Bakewell
- Baldock
- Barlborough
- Barnsley
- Barrow upon Humber
- Barrow upon Soar
- Barton upon Humber
- Bawtry
- Beighton
- Bentley
- Berrington
- Bewbush
- Bicknacre
- Biddenham
- Biggleswade
- Billingham
- Bingham
- Bircotes
- Birdwell
- Bishopthorpe
- Blackmoorfoot
- Blackrod
- Blackwell
- Bleadon
- Bletchley
- Bolton upon Dearne
- Borrowash
- Bottisham
- Boughton
- Bourne
- Brading
- Brayton
- Bridgwater
- Bridport
- Brighouse
- Brightlingsea
- Broadfield
- Brockenhurst
- Bromham
- Broseley
- Broughton
- Broxbourne
- Brundall
- Budleigh Salterton
- Burgess Hill
- Burnham-on-Sea
- Burton Constable
- Burton Joyce
- Burton upon Stather
- Burton upon Trent
- Bury
- Camblesforth
- Campsall
- Cantley
- Carcroft
- Cardington
- Carlisle
- Catcliffe
- Catterick
- Chadwell St Mary
- Chale
- Chalton
- Chapletown
- Chard
- Charlbury
- Cheddington
- Cheshunt
- Chesterfield
- Chiddingfold
- Chorleywood
- Chorlton
- Clapham
- Clevedon
- Cleveleys
- Clophill
- Coalville
- Colchester
- Coltishall
- Colyton
- Copmanthorpe
- Cotgrave
- Credenhill
- Crewe
- Crigglestone
- Croft
- Crofton
- Cropwell Bishop
- Crowle
- Crowthorne
- Cudworth
- Cuffley
- Curry Rivel
- Danbury
- Darfield
- Darton
- Denby Dale
- Doddington
- Durnford
- Easington
- Easingwold
- East Bergholt
- East Bridgford
- Eastoft
- Eastwood
- Eccles
- Edwinstowe
- Elstree
- Etwall
- Farndon
- Farnham Royal
- Fenwick
- Fernhill Heath
- Findern
- Flitwick
- Ford
- Freckleton
- Freshwater
- Glastonbury
- Glossop
- Gossops Green
- Grange-over-Sands
- Great Torrington
- Grimethorpe
- Hadleigh
- Haigh
- Hambleton
- Hampton in Arden
- Harbury
- Harrogate
- Harthill
- Haxby
- Haxey
- Heanor
- Heckmondwike
- Hemel Hempstead
- Hemingbrough
- Hemingford Grey
- Hertford
- Hibaldstow
- High Barnet
- High Coniscliffe
- Higham Ferrers
- Hindley
- Hoddesdon
- Hook
- Hope Valley
- Hornsea
- Horsforth
- Howden
- Hoyland Nether
- Hucknall
- Huntington
- Hurworth
- Ibstock
- Ilkeston
- Ince-in-Makerfield
- Ironbridge
- Irthlingborough
- Iver
- Ivinghoe
- Kegworth
- Kenn
- Keresley
- Kesgrave
- Kidderminster
- Killamarsh
- Kimberley
- Kings Langley
- Kings Worthy
- Kingsbury
- Kingsley
- Kirk Sandall
- Kirkby in Ashfield
- Laceby
- Lavenham
- Leighton Buzzard
- Leiston
- Letchworth
- Letchworth Garden City
- Leyburn
- Lidlington
- Linthwaite
- Little Paxton
- Liversedge
- Llancillo
- Llanrothal
- Lofthouse
- Long Eaton
- Longdendale
- Loughborough
- Lowdham
- Ludlow
- Lyme Regis
- Manea
- Manningtree
- Mansfield
- Markfield
- Marston
- Marston Moretaine
- Maulden
- Mayfield
- Meltham Mills
- Messingham
- Mexborough
- Middlewich
- Milford on Sea
- Millbrook
- Misterton
- Mobberley
- Monk Fryston
- Moss
- Mountsorrel
- Mytholmroyd
- Needingworth
- New Mills
- Newark on Trent
- Newport
- Niton
- Normanton
- North Bradley
- Northwich
- Northwood
- Norton
- Nottingham
- Notton
- Nunthorpe
- Oakley
- Orgreave
- Oxenhope
- Pangbourne
- Pannal
- Paull
- Penistone
- Pershore
- Pevensey
- Pitsea
- Portishead
- Potsgrove
- Poulton le Fylde
- Princes Risborough
- Pucklechurch
- Pulloxhill
- Queniborough
- Quorndon
- Radcliffe
- Radcliffe on Trent
- Redditch
- Reed
- Retford
- Rickmansworth
- Ringwood
- Ripon
- Rossington
- Rowlstone
- Roydon
- Royston
- Rushden
- Ryde
- Ryhill
- Ryton on Dunsmore
- Saint Albans
- Salford
- Sandhurst
- Sandown
- Saughall
- Sawbridgeworth
- Saxilby
- Scalby
- Scawby
- Scotter
- Seaham
- Selby
- Severn Beach
- Shafton
- Shalfleet
- Sharlston
- Sharnbrook
- Shepshed
- Sherburn in Elmet
- Shirebrook
- Shoreham-by-Sea
- Shotley Gate
- Shotwick
- Sidmouth
- Silsden
- Siston
- South Collingham
- South Elmsall
- Southwold
- Stainforth
- Stainton
- Stalham
- Staveley
- Steeton
- Stevenage
- Stewartby
- Stocksbridge
- Stockton-on-Tees
- Stony Stratford
- Stotfold
- Stourport-on-Severn
- Streetly
- Swallowfield
- Swillington
- Swindon
- Telford
- Tenbury Wells
- Tetney
- Thornaby-on-Tees
- Thornton-Cleveleys
- Thrapston
- Tibshelf
- Tickhill
- Tilbury
- Todwick
- Totland
- Trafford Park
- Treeton
- Trowbridge
- Uttoxeter
- Wales
- Waltham Abbey
- Waltham Cross
- Walton
- Ware
- Wareham
- Warfield
- Warton
- Water Eaton
- Wath upon Dearne
- Watton at Stone
- Wedmore
- Wells-next-the-Sea
- Welwyn
- Welwyn Garden City
- West Bridgford
- West Drayton
- West Hallam
- Westhoughton
- Weston
- Wheathampstead
- Whiston
- Whitchurch
- Whitton
- Wigan
- Winchester
- Wingerworth
- Winnersh
- Woburn Sands
- Wold Newton
- Wombwell
- Woodford
- Woodley
- Woodsetts
- Woodstock
- Wool
- Woolley
- Worcester
- Wortley
- Yarnton
- Yateley
- Yatton
England
United Kingdom
Bray-Dunes