28 agosto 2014
While studying cicadas, researchers discovered that Hodgkinia had subtly become more complex through a speciation event, in which the original lineage split to produce two separate but interdependent species of Hodgkinia. What was previously thought to be a tripartite, or a three-way symbiosis, is now proven to actually be a four-way symbiosis.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/auaeuGzCxUc/140828135513.htm
