Cicadas are large insects that appear periodically in massive numbers. They are known as a symbol of resurrection because of their interesting life cycle, based on prime numbers. Cicada in Princeton, NJ Although Cicadas spend most of their life underground, they eventually have to come up to the surface for sunlight and reproduction. While on the ground, these insects mate and lay their eggs on tree branches. These eggs then take about 6-7 weeks to hatch, after which they bur