Biogeography, Extinction, Insects, Dispersal, Phylogeny, Eocene, Bayesian analysis, Mitochondria, Divergence, Gene sequencing, Colonization, historical biogeography, Dispersion, dispersal–extinction–cladogenesis, Crickets, Sampling methods, Recolonization, Innovations, Boreotropical dispersal, ancestral area reconstruction, fossil calibration, disjunct distr...