Hydroporus planus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Dytiscidae
- genus: Hydroporus
- species: Hydroporus planus
Apetlon- Wallern im Burgenland
Burgenland- Elmen
- Tannheim
- Vorderhornbach
Tyrol- Garsten
- Sankt Ulrich bei Steyr
- Steyr
Upper Austria- Göfis
Vorarlberg
Austria
Gavere
Flanders
Belgium
Erlensee
Hesse- Altenpleen
- Blesewitz
- Boddin
- Groß Polzin
- Lelkendorf
- Nienhagen
- Preetz
- Wasdow
- Züssow
Mecklenburg-Vorpommern- Altstadt Nord
- Altstadt Sud
- Köln
North Rhine-Westphalia- Dahlen
Saxony- Elster
- Kamern
- Listerfehrda
- Mechau
Saxony-Anhalt
Germany
Banagher- Kilkenny
- Leixlip
- Loch Garman
- Rathdrum
Leinster- Cill Airne
- Cobh
- Newmarket on Fergus
Munster
Ireland- Isle Of Man
Bolzano
Trentino-Alto Adige
Italy
Sölvesborg
Blekinge- Borlänge
Dalarna- Järvsö
Gävleborg- Särö
Halland- Mörbylånga
- Nybro
- Södra Sandby
Kalmar- Ljunghusen
- Malmö
- Åhus
Skåne- Brevik
Stockholm- Obbola
Västerbotten
Sweden
Abbotts Ann- Abram
- Acle
- Addlestone
- Adlington
- Aldbrough
- Aldford
- Alfreton
- Allhallows
- Alrewas
- Alsager
- Alton
- Amersham
- Ampthill
- Annfield Plain
- Appley Bridge
- Armthorpe
- Arnside
- Arundel
- Asfordby
- Ash
- Ashbourne
- Ashby de la Zouch
- Ashington
- Ashley
- Askern
- Astwick
- Audley
- Aveley
- Awsworth
- Axbridge
- Babworth
- Backworth
- Baildon
- Bainton
- Bakewell
- Bardon Mill
- Barlborough
- Barlby
- Barmby on the Marsh
- Barmston
- Barnet
- Barnsley
- Barnt Green
- Barrow upon Humber
- Barrow upon Soar
- Bassingbourn
- Battle
- Bawtry
- Bay Horse
- Bayswater
- Beadnell
- Bedlington
- Beighton
- Belper
- Belsize Park
- Bembridge
- Bempton
- Benwell
- Berkhamsted
- Berrington
- Bethnal Green
- Beverley
- Bewbush
- Biddestone
- Billinge
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- Billington
- Bingham
- Bircotes
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- Bishop Auckland
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- Bishopthorpe
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- Blacon
- Blaydon-on-Tyne
- Bleadon
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- Bodle Street
- Bollington
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- Bordon
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- Botesdale
- Bottisham
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- Bourne
- Bovingdon
- Boynton
- Brading
- Bramhope
- Brampton
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- Brantingham
- Braunton
- Brayton
- Bredbury
- Bredon
- Breighton
- Brentford
- Bridgwater
- Bridport
- Brightlingsea
- Brignall
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- Broadfield
- Broadway
- Brockenhurst
- Bromborough
- Brooke
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- Burgess Hill
- Burley
- Burley in Wharfedale
- Burnham on Crouch
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- Burnopfield
- Bursledon
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- Burton Joyce
- Burton Pidsea
- Bury
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- Camblesforth
- Cambridge
- Campsall
- Canterbury
- Canvey Island
- Carlisle
- Castle Donington
- Castleford
- Castor
- Catcliffe
- Catterick
- Chapel en le Frith
- Chapletown
- Charvil
- Chatham
- Cheadle Heath
- Cheddar
- Chelsea
- Chertsey
- Cheshunt
- Chester
- Chesterfield
- Chigwell
- Chobham
- Choppington
- Chorlton
- Church Stretton
- Cinderford
- Claydon
- Clayton-le-Woods
- Cleethorpes
- Clenchwarton
- Cleveleys
- Cliffe
- Clipsham
- Coalville
- Cockermouth
- Codicote
- Colchester
- Collingham
- Colyton
- Comberton
- Congresbury
- Conisbrough
- Cooling
- Copmanthorpe
- Coppull
- Corby
- Cotgrave
- Cottenham
- Cowley
- Coxhoe
- Cramlington
- Cranbrook
- Crawley
- Crawley Down
- Cresswell
- Crewe
- Cricklade
- Croft
- Crofton
- Cromford
- Cropwell Bishop
- Crosby
- Croston
- Crowthorne
- Cuddington
- Cudworth
- Curry Rivel
- Darfield
- Darlington
- Darras Hall
- Dartford
- Darwen
- Deal
- Deanshanger
- Deddington
- Deighton
- Denham
- Denton
- Dersingham
- Desford
- Dinnington
- Doddington
- Doncaster
- Donisthorpe
- Droylsden
- Drybrook
- Dukinfield
- Durham
- Earith
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- Easingwold
- East Ayton
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- Edith Weston
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- Egham
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- Eye
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- Filey
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- Flamborough
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- Freshwater
- Fulford
- Gateshead
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- Glastonbury
- Glinton
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- Golborne
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- Gravesend
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- Houghton on the Hill
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- Huntington
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- Hyde
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- Ince
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- Ipswich
- Ironbridge
- Iver
- Ivinghoe
- Kegworth
- Kensington
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- Kilburn
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- Kingsbridge
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- Kinsham
- Kirby Underdale
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- Kirkby in Ashfield
- Kirkham
- Knaphill
- Knaresborough
- Knebworth
- Lamesley
- Landewednack
- Langtoft
- Larkfield
- Ledsham
- Ledston
- Leigh-on-Sea
- Lenham
- Letchworth
- Letchworth Garden City
- Leven
- Lewes
- Leyland
- Litherland
- Little Amwell
- Little Hallingbury
- Little Lever
- Littleport
- Loftus
- Long Eaton
- Long Sutton
- Longdendale
- Lowdham
- Lyndhurst
- Lynemouth
- Lytchett Matravers
- Maidstone
- Malmesbury
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- Manningtree
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- Markfield
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- Melbourne
- Meldreth
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- Nafferton
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