With rich reds, gentle greens and basic blacks, Nature’s screaming, crawling artwork is the epitome of rare beauty — at least in the eyes of some beholders. To others, it may seem just creepy.

It’s a colorful, ever-changing canvas of bugs. Lots of them.

A once-in-221-year convergence of two broods of periodical cicadas are emerging at the same time. The big effect of the cicadas is the sheer numbers. Trillions are expected to populate 16 states by mid to late June. They can be overwhelming, messy and loud.