Fig. 1: Time-calibrated phylogeny mapping ancestral ranges.

Ancestral range estimates (ARE) are mapped on the grafted Maximum Clade Credibility (MCC) tree using pies to represent posterior marginal likelihood of bioregions estimated from 1000 Biogeographic Stochastic Maps simulated with the DEC + J model. ARE of the 7 genus-groups are shown with pies at respective Most Recent Common Ancestor (MRCA) nodes. Regional In Situ Radiations (RISR) used in analyses are displayed with rectangles on their crown nodes. Capitalized names correspond to genus-groups from Schmidt & Shattuck24: PLAT. Platythyrea group; PLEC. Plectroctena group; H. Harpegnathos group. Ant images are modified from original pictures by F. Brassard. Results for alternative divergence dating hypotheses are shown in Supplementary Fig. S9.