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On Heels and Toes : How Ants Climb with Adhesive Pads and Tarsal Friction Hair Arrays [Plos One]

Keywords : ants, adhesives, friction, climbing, inscets, legs, buckling, walking

par Frédéric Magné - publié le

Ants are able to climb effortlessly on vertical and inverted smooth surfaces. When climbing, their feet touch the substrate not only with their pretarsal adhesive pads but also with dense arrays of fine hairs on the ventral side of the 3rd and 4th tarsal segments. To understand what role these different attachment structures play during locomotion, we analysed leg kinematics and recorded single-leg ground reaction forces in Weaver ants (Oecophylla smaragdina) climbing vertically on a smooth glass substrate.(...)

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