from The Century Dictionary and Cyclopedia

  • n. The combined meso- and metathorax of a thysanopterous insect; that portion of the thorax that boars the wings.


Sorry, no etymologies found.


  • Most of the thorax is fused to form the pterothorax which is tilted to displace the legs forward and the wings backward.

    Insecta (Aquatic)

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