Cicadas 2024 Map Usa Pdf. According to lawrance, two groups of cicadas — one known as brood xiii, the other as brood xix — will surface at the same time in illinois, creating a rare event. Cicadas typically emerge as the ground begins to warm in the spring and early summer.

Cicadas typically emerge as the ground begins to warm in the spring and early summer. According to lawrance, two groups of cicadas — one known as brood xiii, the other as brood xix — will surface at the same time in illinois, creating a rare event.