Frias Martins, A.
Neubert, E., Cuttelod, A. & Nichols, C.
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This species in uncommon, but has adapted to secondary forests and faces no major threats, therefore it is considered as Least Concern (LC).
This species is known from São Miguel, Graciosa, São Jorge and Pico islands in the Azores.
This species is found on São Miguel, Graciosa, São Jorge and Pico islands in the Azores. Morelet (1860) described this species based on only one specimen from Pico island, but Backhuys (1975) found some specimens, on Pico island, at the edge of arable land under plant-covered stones. This is a rare species, found primarily in forests.
Leiostyla rugulosa lives in forested habitats, endemic and secondary, but Backhuys (1975) found some specimens on Pico island, at the edge of arable land under plant-covered stones.
This species is uncommon; however, because it has adapted to secondary forests and is found on several islands, no threats are foreseen.
More research on the taxonomy is needed.