Cricket (IMAGE) Penn State Caption Standing stationary at each of 41 survey locations enabled postdoctoral researcher D.J. McNeil to listen for the mating calls of Ensifera species, such as this striped ground cricket, and map their presence across an urban-to-rural gradient. Credit D.J. McNeil, Penn State Usage Restrictions None License Licensed 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.