This species is widely distributed around Europe, ranging from southern Scandinavia to the Mediterranean. In the UK, however, it is now found only on the Lewes Levels in Sussex, although it was once more widespread. There are records for southeast Yorkshire, Kent and south Hampshire, as well as East and West Sussex. It was found on the Pevensey Levels until 1972, and it is believed to have disappeared from there through a decline in water quality.
Species with a similar range