periodical cicadas (IMAGE) Entomological Society of America Caption Periodical cicadas—the insects that emerge by the billions every 13 or 17 years and make a racket with their mating calls—are loud enough to be detected through an emerging technology called distributed fiber optic sensing. A new study shows how sensors deployed on the cables bringing high-speed internet to American households could open new pathways for charting populations of these famously ephemeral bugs. Credit Pennsylvania Department of Conservation and Natural Resources - Forestry, Bugwood.org Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.