cynipid wasp (IMAGE) Penn State Caption This is a cynipid wasp, whose larvae were recently discovered to induce plant growths called galls containing acidity levels akin to lemons. Credit Courtesy Antoine Guiguet Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.