They don’t sting, and they don’t bite. They don’t suck blood. They won’t make you itch. And your garden is safe. But miniature exoskeletons might be attached to your house. You might see flickers of red-and-black buzz by. Over the weekend, you might’ve heard a monotonous droning begin. No, your eyes are not deceiving you, and your ears are just fine. They are cicadas, part of the Great Southern Brood XIX that reemerge every 13 years. And, despite some maps showing their arrival only...