ExyraExyra is a genus of moths of the family Noctuidae.BiologyCaterpillars of the genus Exyra feed only on Sarracenia. E. fax feeds only on S. purpurea and E. ridingsii feeds only on S. flava, while E. semicrocea feeds on S. minor, S. rubra, ''S. alata, S. leucophylla, and less commonly on S. flava and S. psittacina''.