They were recorded as appearing every year, mainly in December and January in western Sydney, with a similar 92-day emergence period from late November until late February recorded in South East Queensland.
2.
The emergence period of large prime numbers ( 13 and 17 years ) was hypothesized to be a predator avoidance strategy adopted to eliminate the possibility of potential predators receiving periodic population boosts by synchronizing their own generations to divisors of the cicada emergence period.
3.
The emergence period of large prime numbers ( 13 and 17 years ) was hypothesized to be a predator avoidance strategy adopted to eliminate the possibility of potential predators receiving periodic population boosts by synchronizing their own generations to divisors of the cicada emergence period.
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