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After it emerges from the nymph case, the cicada slowly turns almost black from the earlier red colour. It then flies away after some time to start finding a mate. The flying form has a shortish lifespan. Soon after mating and laying the eggs in the branch of a tree, the female dies. The eggs hatch out and nymphs burrow into the ground to live there for up to 15 or 17 years (in North America). The nymphs then emerge, hatch into the cicada and the cycle starts again. This prime number of years spent underground allows them to 'miss' some predators who have life cycles of even numbered years.
Perhaps some entomologist can explain it better, but that is how I understand it.
23/11/2009 - 08:07Cameralucida
CategoryWildlife / Nature
Shutter SpeedN/A
Focal LengthN/A
Tagscicada, insect,


Link Posted 23/11/2009 - 13:18
Great image and very interesting prime number fact!

GX20; DA 17-70 F4; 18-55 kit; Ricoh 50mm F2; Vivitar 75-205mm F3.8

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