Described in 1854, identified by Paladilhe in 1870, but never found again since. This species has not been studied properly since then and its taxonomic status remains doubtful. Could be in fact Belgrandia marginata.

This species was described from the surroundings of Nice, an area which has been highly impacted by urbanization (especially the construction of the airport). According to Falkner et al. (2002), in his publication in 1910 Caziot reported searching for the species in all the localities cited in the literature, but did not find it. Falkner et al. (2002) therefore considered this species Extinct, but it was not listed as Extinct by Regnier et al. (2009). Although many malacologists have surveyed this area since 1910, no one has recorded this species, however it is considered Critically Endangered (Possibly Extinct) because it is possible that spring snails could be present in a small spring that has been overlooked.

Belgrandia varica is restricted to the springs around the Var river delta (near Nice and Cannes, south-eastern France). It is known only from four sites, in one location (Var River).

There are no population data available for this species.

This is a freshwater spring snail.

The natural habitats in the delta of the Var River have been changed by human activities, such as construction of the airport, increased urbanisation and the consequent habitat degradation resulting from pollution, etc., and, as such, most of the sites where Belgrandia varica occurred have changed.

This species is not known to be traded.

There are no species-specific conservation actions in place, however surveys are required to establish the absence and possible extinction of the species.