Vivie Jocelyne

Cicada 2024 Timeline Meaning. For the first time in 221 years, this spring will see billions, if not trillions, of cicadas take to the skies in a rare synchronized. Here's what to know about a cicada's life, both under and above ground.

Cicadas count years, likely using the flow of tree sap. In april 2024, trillions of periodical insects descended on the midwest and southeast of the united states, causing so much noise that local residents called the police to complain.