The biogeographic relationships among the Cantacaderinae (Heteroptera) are revisited in the light of a genus and species recently described. The results are reasonably congruent with previous studies, but with some differences. The common ancestor of Cantacaderinae may not be restricted to Australia but to a more widely distributed taxon. The Cantacaderinae evolved into two lineages: the Ceratocaderini   Carldrakeanini, originating in the Australia–New Zealand complex; and the Cantacaderini, originating in the Oriental region and dispersing through a south-eastern arc of continental fragments but not through the Asian peninsula.