The terrific pics below, is segment of "17 Year Cicada" content which is classed as within "17 Year Cicada Evolution", "Cicada 17 Years Cycle", "Insects 17 Year Cicada" and "Cicada Insect 17 Years".
17 Year Cicada: 17 Year Cicada Bug - Do you know that cicadas are quite spectacular insects with dramatic appearances?
Mature nymphs of periodical cicadas begin burrowing upward after 17 years of soil living on the depth of 2-24 inches. This is April, when they actually stop and wait for the proper emerging time. Their muscle structure undergoes major changes at this time.
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