Van Leuven, J. T., Meister, R. C., Simon, C. & McCutcheon, J. P. (2014). Sympatric Speciation in a Bacterial Endosymbiont Results in Two Genomes with the Functionality of One. Cell 158(6): 1270–1280. doi:10.1016/j.cell.2014.07.047.
Not read. The summary is drawn from the abstract. A reading should check it first.
Why this is here
A2 rates it “High”, for nonadaptive complexity and lineage splitting: change that adds dependent components without an obvious new collective function. A2’s wider claim that other cicadas show extensive genome fragmentation cites no work by name, and none is registered for it.