Cicada Invasion 2024. In a rare occurrence, a trillion cicadas from two different broods are expected to begin appearing.  — billions of cicadas are set to surface this spring as two different broods — one that appears every 13 years, and another every 17 years — emerge simultaneously.

 — floyd shockley is planning a road trip to witness a rare natural event that will darken skies across much of the united states — a convergence not of celestial bodies,.  — where are the cicadas already out in 2024?