The hydrodynamics of water strider locomotion

Article Abstract:

Denny's paradox that infant water striders, whose legs are too slow to generate waves, should be incapable of propelling themselves along the surface is resolved through reporting the results of high-speed video and particle-tracking studies. The findings reveal that strider transfers momentum to the underlying fluid not through capillary waves but through hemispherical vortices shed by its driving legs.

Locomotion

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How to walk on water

Article Abstract:

The scientific reasons that propel the water striders, insects that are adapted for locomotion and foraging on top of still water, across water are described. Models of water-strider locomotion has proposed that the animals move forward by creating surface waves that carry momentum backwards.

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Meniscus-climbing insects

Article Abstract:

The meniscus-climbing technique that the insects use and thus propel themselves laterally without moving their appendages is studied. A theoretical model is developed to rationalize the climbers' characteristic body postures and predict climbing trajectories consistent with those reported.

Physiological aspects, Insects, Aquatic, Aquatic insects, Animal swimming, Meniscus (Anatomy)

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