Once-in-221-Year Cicada Emergence Showcases Intricate Beauty

Trillions of cicadas are captivating scientists and artists with their unique colors and patterns.

The simultaneous emergence of two cicada broods occurs every 221 years.
Trillions of cicadas are expected across 16 U.S. states by mid to late June.
Scientists and artists find beauty in the cicadas' vibrant red eyes and patterned wings.
Some people find the insects' appearance unsettling despite their intricate details.
The phenomenon is a predictable event that fascinates biologists and entomologists.