Figure 4

Depiction of the best-fit biogeographical model (BayAreaLIKE + J) as indicated by BioGeoBEARS for Sumaterana (a) and Wijayarana (b); photos by UA. Red arrows indicate range-copying while blue arrows represent Dispersal (D), Vicariance (V), and/or Extinction (E) events. Boxes with color represent geographic regions (see Fig. 3 for legend).