Table 1. List of the caves visited for the collection of the samples with collection date and number of samples.

Cave name	Speleological cadastre number	Municipality	Province	Date	Number of samples
Grotta del Bandito	1002 Pi/CN	Roaschia	Cuneo	02/2011	3
Grotta inferiore del Pugnetto or Tana del lupo	1502 Pi/TO	Mezzenile	Torino	02/2011	4
Grotta di Chiabrano or Tuna del Diau	1621 Pi/TO	Perrero	Torino	02/2011	8