Dung Beetles Modify Emissions (1 of 2) (IMAGE) University of Helsinki Caption By digging around in their food, dung beetles like <i>Aphodius pedellus</i> may aerate cow pats -- and thereby modify methane emissions. Credit Drawing of beetle by Kari Heliövaara, photo of cow pat by Eleanor Slade. 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.