Map showing collection records of non-‘sigillate complex’ Idiosoma species in the sigillatum-clade from south-western Australia; base map shows collection records for all other species in the nigrum-group as smaller grey dots. Specimens sequenced for the molecular analyses are denoted by open circles, and relevant IBRA 7.0 bioregions are as follows: AVW, Avon Wheatbelt; CAR, Carnarvon; COO, Coolgardie; GES, Geraldton Sandplains; JAF, Jarrah Forest; MUR, Murchison; SWA, Swan Coastal Plain; YAL, Yalgoo.