Get ready for a swarm, because cicadas are returning this spring. A brood of these flying insects is starting to come out of hiding after nearly 20 years underground, and it’s going to be a spectacle ...

PTERYGOTE insects originally evolved as terrestrial animals, but various families of Hemiptera have since colonized aquatic habitats. Corixids live on the bottom, feeding mainly on algae and detritus.

Whether you find cicadas captivating or cringeworthy, you probably have one nagging question: Will my yard look the same once they've come and gone?

The theory is that the huge numbers of cicadas reminded early colonists — as far back as the 1600s — of the biblical plague of locusts in Exodus, so they called them locusts.