Van De Kamp T., Vagovic P., Baumbach T., Riedel A.

in Science, 333 (2011). DOI:10.1126/science.1204245

Abstract

The coxa-trochanteral joints on the legs of the weevil Trigonopterus oblongus (Pascoe) work as a biological screw-and-nut system. The apical portions of the coxae closely resemble nuts with well-defined inner threads covering 345°. The corresponding trochanters have perfectly compatible external spiral threads of 410°.

22 thoughts on “A biological screw in a beetle’s leg

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  2. Klowden M.et al.: Physiological Systems in Insects: Third Edition in Physiological Systems in Insects: Third Edition (2013) 1-682.

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