Walking Stick on Greenback Ceanothus (image) University of Colorado at Boulder Caption A walking stick insect camouflages with a greenback ceanothus bush in southern California. The ability of the the insect, Timema cristinae, to be well camouflaged affects other insects living on the same plant. Credit Tim Farkas Usage Restrictions None 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.