It is listed on Appendix II of the Bern Convention, and on Annexes II* and IV of the EU Habitats Directive. It is recorded in the Slovenian National Red List and is protected by national legislation in many range states, e.g. Slovenia, Croatia and Italy. In Slovenia the species is present in caves, which are protected by national legislation, and much of the distribution of this species is within proposed national or international protected areas (Kocevski and Kraski regional parks; NATURA 2000 sites). In Italy it is found in the Riserva Naturale Regionale dei Laghi di Doberdò e Pietrarossa. The subspecies P. a. parkelj is in need of protection, as its habitat is limited to only a few holes in connection with subterranean networks in a very small geographic area.
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