Agabus unguicularis
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Dytiscidae
- genus: Agabus
- species: Agabus unguicularis
- Gramatneusiedl
- Moosbrunn
Lower Austria
Austria- Jena
Thuringia
Germany- Luxembourg
- Sölvesborg
Blekinge- Jönköping
Jönköping
Sweden- Appley Bridge
- Ash
- Ashley
- Backworth
- Bedlington
- Beeston
- Berrington
- Bishop Auckland
- Bishopthorpe
- Botesdale
- Bramhope
- Breighton
- Bridgwater
- Bubwith
- Burnopfield
- Coltishall
- Copmanthorpe
- Cramlington
- Crewe
- Dinnington
- Doddington
- East Boldon
- East Harling
- Eccleston
- Esher
- Griston
- Guilden Sutton
- Hinchley Wood
- Holtby
- Hoole
- Hornsea
- Kingsley
- Ledsham
- Malton
- Martham
- Mickle Trafford
- Mobberley
- Murton
- Newington
- Oakmere
- Over
- Pelton
- Pittington
- Rowlands Gill
- Sacriston
- Shiremoor
- South Hetton
- Stalham
- Stoke
- Strensall
- The Boldons
- Tyldesley
- Walthamstow
- Waverton
- West Rainton
- Westonzoyland
- Willaston
- Witton Gilbert
- Woking
England- Ballynahinch
- Holywood
- Moira
Northern Ireland- Llanfaethlu
- Llangefni
Wales
United Kingdom