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Understanding evolutionary relationships in the superfamily Psylloidea is challenging due to the lack of clear morphological synapomorphies for many groups. Some families and many of the genera, including the two largest, Cacopsylla Ossiannilsson and Trioza Foerster, have long been acknowledged as nonmonophyletic and the circumscription of natural groups has remained fluid. We present the best phylogenetic...
Abstract.Liadopsylla apedeticasp.n. Ouvrard, Burckhardt & Azar and L. hesperiasp.n. Ouvrard & Burckhardt are described from Lebanon and New Jersey amber, respectively, constituting the first descriptions of Psylloidea preserved in Cretaceous amber. Liadopsylla hesperia is the first representative of Liadopsyllidae found in the New World. Liadopsylla apedetica is remarkably well preserved,...
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