The Caterpillar's Menu (image) Netherlands Institute of Ecology (NIOO-KNAW) Share Print E-Mail Caption During the experiment, the caterpillars were served either complete dandelion plants or clipped dandelion leaves. With the first menu option came the soil as a bonus, and the caterpillars made use of that opportunity to enrich their intestinal flora. Credit NIOO-KNAW Usage Restrictions Usage of this picture is allowed, when linked to the subject of the specific press release. Share Print E-Mail 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.