New species of Concavapsocus (Psocodea: Psyllipsocidae) from the mid-Cretaceous amber of Myanmar.

A new species of Psyllipsocidae, Concavapsocus valvaculeiformus sp. nov., is described from mid-Cretaceous Kachin amber in Myanmar. The key diagnostic distinctions separating the new species from its congeners encompass: 1) the presence/absence of th…

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