Fig. 4From: Mitochondrial composition of and diffusion limiting factors of three social wasp genera Polistes, Ropalidia, and parapolybia (Hymenoptera: Vespidae)Evolutionary timescale for Polistes, Parapolybia and Ropalidia inferred from PCGR dataset based on two fossil calibration points, the autocorrelated Lognormal relaxed-clock model, the site-heterogeneous mixture GTR + I + G substitution model. A geological time scale is shown at the bottomBack to article page