Suetsugu Gnat Larva (IMAGE) Kobe University Caption The larvae of Leia ishitanii feed on the decaying flower leaves of Arisaema thunbergii and on fungus mycelia that grow on them, developing into adult fungus gnats that emerge after a few weeks. Credit NISHIGAKI Hiroki Usage Restrictions Credit must be given to the creator. License CC BY 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.