Cicadas are loud. And while some are around every year, there is at least one species that lives for up to seventeen years. They mate every seventeen years. In 2013 we are witnessing the emergence of Brood II, one of the numerous clusters that are synchronised to each other. But when and where have other broods been spotted over time? The New York Times looked at this question last week via an interactive graphic.
Credit for the piece goes to Jonathan Corum.