Whitefly Bemisia tabaci on cassava (IMAGE) Max Planck Institute for Chemical Ecology Caption In Malawi, South East Africa, this pest threatens the food supply of thousands of people. The insect should not be confused with the greenhouse whitefly Trialeurodes vaporariorum, which is more frequently found in Europe. Credit Daniel G. Vassão 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.