Colorado Potato Beetle (IMAGE) University of Vermont Caption Native to the Rocky Mountains, the Colorado potato beetle has now spread to many parts of the world, chowing potato leaves, costing farmers millions -- and quickly overcoming most every pesticide thrown in its way. A new UVM study sheds light on how these insects become resistant so fast. Credit Lily Shapiro Usage Restrictions with coverage of associated story 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.