A new species of the spiny trapdoor spider genus Blakistonia (Mygalomorphae: Idiopidae) from Kangaroo Island, South Australia

The first species of the Australian spiny trapdoor spider genus Blakistonia Hogg, 1902 to be recorded from Kangaroo Island, South Australia, is described from both males and females, bringing the number of described species of Blakistonia to 21. Blakistonia rooinsula sp. nov. has been recorded from coastal habitats and nearby locations, across a number of sites on Kangaroo Island.