Favourite Dishes of Slugs: Lettuce (IMAGE) Friedrich-Schiller-Universitaet Jena Caption Iceberg lettuce belongs to the favorite dishes of slugs. If, however, the lettuce is treated with oxylipins from moss, the slug will reject it (right leaf). Credit Martin Rempt/Uni Jena 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.