Fig 1 (IMAGE) University of Bristol Caption The brains of a Heliconius (pollen feeding) and Eueides (non-pollen feeding relative) showing the whole brain in grey and the mushroom bodies in red, alongside a comparison of the isolated mushroom bodies. Colours are artificial. Credit Antoine Couto et al, linked to paper Usage Restrictions Once with release 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.