Proteus species distribution
https://www.mdpi.com/1424-2818/18/11/659 Subterranean environments are characterised by high spatial fragmentation and limited connectivity, which can strongly influence genetic structure and species distributions in troglobitic organisms. Here, we investigated the occurrence and spatial distribution of Proteus scopolii and P. xanthostictus within the Italian sector of the Classical Karst, the only Italian area where the two species naturally coexist. Species distributions were assessed using the mitochondrial cytochrome c oxidase subunit I (COI) marker, combined with morphological traits and the Scaled Mass Index (SMI),…