sentences:  Endophytic fungi colonize the living, internal tissues of their host without causing any harmful effects.A recent study has shown that 29 endophytes belonging to different taxa were present in the samples collected from "T. cordifolia".Extracts of the endophytic fungus "Nigrospora sphaerica" obtained from "T. cordifolia" were found to have insecticidal properties against the Oriental leafworm moth ("Spodoptera litura"), a polyphagous pest.