Nicrophorus Vespilloides Larvae (IMAGE) Max Planck Institute for Chemical Ecology Caption Symbionts from the beetle parents' gut replace competing microbes that would otherwise decompose the larvae's food source and make sure that the larvae thrive well. Credit Shantanu Shukla, 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.