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Range DescriptionThis species has a highly patchy distribution in the Pannonian Basin. Now, it is present in Austria (Bad Vslau, Bad Fischau) (Resichutz, pers. comm. 2009), Slovenia (Buseca vas) and Hungary (Kcs). In 2008, it went extinct in Romania (Rabagani) (Sirbu, pers. comm., 2009). There are other occurrences mentioned in the literature, which are partly based on misidentification and are partly unconfirmed. It is extinct in Croatia where the last known record was in 1905.