friction
- Traction reinforcement in prehensile feet of harvestmen (Arachnida, Opiliones)
Summary: Tarsal wrapping in harvestmen permits a secure foothold on smooth cylindrical objects despite the lack of adhesive foot pads.
- Holding tight to feathers – structural specializations and attachment properties of the avian ectoparasite Crataerina pallida (Diptera, Hippoboscidae)
Highlighted Article: The avian ectoparasitic fly Crataerina pallida (Diptera, Hippoboscidae) can stay attached to its flying host, the common swift, by using a strongly modified tarsal attachment system, which provides exceptionally high attachment forces on various surfaces.