Cicada 2024 Factset. Brood xix (19) periodical cicadas emerged in the spring of 2024 in alabama, arkansas, georgia, illinois, indiana, kentucky, louisiana, missouri, mississippi, north. Trillions of cicadas are expected to emerge in 17 u.s.

The males produce this call with an organ known as the tymbal that clicks when a cicada flexes its muscles. What to know | pbs news.