Distribution; world
Central and south-western Europe where it is, apparently, extremely rare. Specimens of this species from Spain were discovered amongst the syntype series of N. ferroviaria DUSMET (Schwarz, 1986b). It is also reported from north Africa:
DE, ES, FR, PT
Abundance; world
Extremely rare
Conservation status; world
Conservation status: DE1 - RDB5 (DD), DE2 - RDB1 (CR)