Cuticular Hydrocarbons (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Cuticular hydrocarbons cover the bodies of all insects like a layer of wax, consisting of a mixture of liquid and solid components. The hydrocarbons of Myrmica rubra can even form crystal, here visible under the microscope as star-like structures. Credit photo/©: Bérengère Abou Usage Restrictions This image may only be used in connection with the press release "Melting properties determine biological functions of cuticular hydrocarbon layer of ants", issued by Johannes Gutenberg University Mainz on February 26, 2020. 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.