Magicicada is a genus of cicada unique to the US, characterized by underground juvenile development cycles lasting either 13 or 17 years, and synchronized emergence of adult cicadas in broods. However, scientists warn that 17-year broods may disappear, not because of predation, but simply because a more abundant food source caused by warming temperatures may allow the cicadas to develop faster, slowly shifting the broods to an earlier cycle. Read full article here