Taeniarchis        Tortricidae incertae sedis
Tegulifera         Pyralidae, Pyralinae
Tehama             Pyralidae, Crambinae
Teleiodes          Gelechiidae, Gelechiinae
Telorta            Noctuidae, Cuculliinae
Tephrina           Geometridae, Ennominae
Teratoglaea        Noctuidae, Cuculliinae
Terricula          Tortricidae, Tortricinae, Archipini
Tetanolita         Noctuidae, Herminiinae
Tethea             Thyatiridae
Tetramoera         Tortricidae, Olethreutinae, Olethreutini
Thalpophila        Noctuidae, Amphipyrinae
Thaumetopoea       Thaumetopoeidae
Theresimima        Zygaenidae
Theria             Geometridae, Ennominae
Thiodia            Tortricidae, Olethreutinae, Eucosmini
Thyridopteryx      Psychidae
Thyris             Thyrididae
Thysanoplusia      Noctuidae, Plusiinae
Tineola            Tineidae
Tinthia            Sesiidae, Tinthiinae, Tinthiini
Tortricidia        Limacodidae
Tortrix            Tortricidae, Tortricinae, Tortricini
"Tortrix"          Tortricidae, Tortricinae, Epitymbiini
"Tortrix"          Tortricidae, Tortricinae, Archipini
Trachea            Noctuidae, Amphipyrinae
Triaxomera         Tineidae
Trichoplusia       Noctuidae, Plusiinae
Trichoptilus       Pterophoridae
Trifurcula         Nepticulidae
Triphaenia         Noctuidae, Noctuinae
Triphosa           Geometridae, Larentiinae
Tuta               Gelechiidae, Gelechiinae
Tyria              Arctiidae