The remarkable image below, is part of "17 Year Cicada" piece of writing which is labeled within "Green Cicada", "17 Year Cicada 2014" and "Cicadas 17 Year".
17 Year Cicada: 17 Year Cicada Life Span - But the biggest puzzle to biologists is the significance of cicadas extended life cycles.
Periodical cicadas are native and the longest-lived North American species. No other insect here generates so much interest. They do not occur anywhere else in the world!
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