Cicada 2024 Timeline. With spring in full swing, a subterranean clock is ticking in more than a dozen. The missouri department of conservation provides a timeline for future periodical cicada emergences and information on the biology of the cicadas.

The map above shows confirmed presence (cicada symbols) periodical cicada records collected by project collaborators during the current periodical cicada emergence. Billions of the winged insects will make an appearance across the midwest and the southeast, beginning in some places in late april, for a raucous mating ritual that tends.