Colonizing an insect (IMAGE) University of Maryland Caption With small insects like flies, one fungal strain (tagged with red) takes the front half and the other (tagged with green) takes the back half. In large insects like caterpillars, they subdivide individual segments (the red individual takes the front half of each segment and the green individual takes the back half). Credit University of Maryland, Raymond St. Leger Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA 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.