Gear teeth of a juvenile Issus coleaptratus (Photo: University of Cambridge)
Color photo showing the darker, sclerotic chitin of the gear teeth (Photo: University of Cambridge)
Photo showing the Issus gears in the context of the mechanical features within they function (Photo: University of Cambridge)
Another view of the gear teeth on the Issus trocanther (Photo: University of Cambridge)
Issus coleaptratus (Photo: Sarefo)
Among the mechanical components not found in nature is the spur gear. That is, until now. Zoologists of the University of Cambridge have discovered that the juvenile form of the leaf-hopper Issus coleoptratus has a set of gear-like linkages between the two jumping legs to synchronize the legs during a jump.
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