Locusts covering local plant life (VIDEO) Arizona State University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption When in their gregarious phase, these South American locusts can form swarms of millions, capable of migrating 90 miles in a day and consuming as much food as 35,000 people. Credit Video courtesy of Jacob Youngblood Usage Restrictions none License Original 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.