(IMAGE) Max Planck Institute for Chemical Ecology Caption The symbiotic microbes were localized in the insect gut by fluorescence in situ hybridization (FISH) using probes for general bacteria (red), Coriobacterium (green), and the host cell nuclei (purple). Credit Sailendharan Sudakaran, Max Planck Institute for Chemical Ecology 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.