rugathodesSpecies distributions in oceanic islands or in underground ecosystems may show some striking features. In islands, closely related taxa with largely overlapping distributions are frequently reported, while some cave-dwelling species are widespread across several cave localities that are not connected. In collaboration with Dr. Pedro Oromí (Canary Islands, Spain), I am conducting research on the phylogeographic patterns of some of the aforementioned cases that occur in the Canary Islands and their lava tubes