Locusts Facing (IMAGE) University of Leicester Caption A solitary male desert locust (left) facing a gregarious male (right) of the same species. Solitary locusts rely on camouflage to elude their predators. In the swarming gregarious phase, locusts feed on toxic plants to make themselves unpalatable, and develop bright yellow warning colors to advertise this to predators. Credit Image credits: Tom Fayle, University of Cambridge. 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.