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Textbook Figure



Fig. 8.3

A psocopteran, Pseudicaecilius sp., showing features typical of Psocotera, commonly known as booklice, (a, c) or Paraneoptera (b). (a) Wing-folding mechanism; (b) wing coupling mechanism; (c) Pearman’s organ. Body length 1.3mm.


Taken from:

Evolution of the Insects. By David Grimaldi and Michael S. Engel

Cambridge Unversity Press. NY, USA 2005


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