Cicada 2024 Chicago Med. Now the great dual periodical cicada emergence of 2024 — an event of a magnitude not seen since 1803 — has burst from below to join the earlier shows in the. Magicicada neotredecim, magicicada tredecim, magicicada tredecassini, magicicada tredecula.
Where billions of cicadas will emerge this spring (and over the next decade), in one map. Two broods of cicadas—brood xix and xiii, which emerge every 13 and 17 years, respectively—are appearing together in 2024.