Cicada emergence holes (IMAGE) American Geophysical Union Caption Two cicada emergence tunnels remain submerged within the infiltrometer ring after a measurement of the soil's infiltration rate. Credit Photo courtesy of Ellen Bergan Usage Restrictions Please use appropriate citations. License Original content 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.