Walking on smooth or rough ground: passive control of pretarsal attachment in ants

@article{Endlein2007WalkingOS,
  title={Walking on smooth or rough ground: passive control of pretarsal attachment in ants},
  author={Thomas Endlein and Walter Federle},
  journal={Journal of Comparative Physiology A},
  year={2007},
  volume={194},
  pages={49-60}
}
The hymenopteran tarsus is equipped with claws and a movable adhesive pad (arolium). Even though both organs are specialised for substrates of different roughness, they are moved by the same muscle, the claw flexor. Here we show that despite this seemingly unfavourable design, the use of arolium and claws can be adjusted according to surface roughness by mechanical control. Tendon pull experiments in ants (Oecophylla smaragdina) revealed that the claw flexor elicits rotary movements around… CONTINUE READING
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Adaptive features on the tarsi of cockroaches (Insecta: Dictyoptera)

  • JW Arnold
  • Int J Insect Morphol Embryol
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