Abagrotis          Noctuidae, Noctuinae
Abraxas            Geometridae, Ennominae
Acantholeucania    Noctuidae, Hadeninae
Acanthoplusia      Noctuidae, Plusiinae
Achea              Noctuidae incertae sedis
Acleris            Tortricidae, Tortricinae, Tortricini
Acoloithus         Zygaenidae
Acompsia           Gelechiidae, Dichomerinae
Acossus            Cossidae
Acria              Oecophoridae
Acrobasis          Pyralidae, Phycitinae
Acrocercops        Gracillariidae, Gracillariinae
Acrolepia          Acrolepiidae
Acrolepiopsis      Acrolepiidae
Acronicta          Noctuidae, Acronictinae
Acropolitis        Tortricidae, Tortricinae, Archipini
Actebia            Noctuidae, Noctuinae
Adoxophyes         Tortricidae, Tortricinae, Archipini
Adrapsa            Noctuidae, Herminiinae
Aethes             Tortricidae, Tortricinae, Cochylini
Agapeta            Tortricidae, Tortricinae, Cochylini
Agathia            Geometridae, Geometrinae
Agonopterix        Oecophoridae
Agriopis           Geometridae, Ennominae
Agriphila          Pyralidae, Crambinae
Agrius             Sphingidae
Agrochola          Noctuidae, Cuculliinae
Agroperina         Noctuidae, Amphipyrinae
Agrotis            Noctuidae, Noctuinae
Alabama            Noctuidae, Catocalinae
Albuna             Sesiidae, Sesiinae, Paranthrenini
Alcathoe           Sesiidae, Sesiinae, Synanthedonini
Alcis              Geometridae, Ennominae
Aleimma            Tortricidae, Tortricinae, Tortricini
Aletia             Noctuidae, Hadeninae
Allophyes          Noctuidae, Cuculliinae
Alsophila          Geometridae, Oenochrominae
Amata              Amatidae
Amathes            Noctuidae, Noctuinae
Amblyptilia        Pterophoridae
Ammoconia          Noctuidae, Cuculliinae
Amorbia            Tortricidae, Tortricinae, Sparganothini
Amphion            Sphingidae
Amphipoea          Noctuidae, Amphipyrinae
Amphipyra          Noctuidae, Amphipyrinae
Amsacta            Arctiidae
Amyelois           Pyralidae, Phycitinae
Anacamptodes       Geometridae, Ennominae
Anadevidia         Noctuidae, Plusiinae
Anagrapha          Noctuidae, Plusiinae
Anania             Pyralidae, Pyraustinae
Anarsia            Gelechiidae, Chelariinae
Anatrychyntis      Cosmopterigidae
Anavitrinella      Geometridae, Ennominae
Ancylis            Tortricidae, Olethreutinae, Eucosmini
Andraca            Bombycidae
Andropolia         Noctuidae, Amphipyrinae
Anhimella          Noctuidae, Hadeninae
Anisodes           Geometridae, Sterrhinae
Anomis             Noctuidae, Catocalinae
Antheraea          Saturniidae
Anticarsia         Noctuidae, Catocalinae
Anticlea           Geometridae, Larentiinae
Antispila          Heliozelidae
Apamea             Noctuidae, Amphipyrinae
Aphania            Tortricidae, Olethreutinae, Eucosmini
Aphelia            Tortricidae, Tortricinae, Archipini
Apotomis           Tortricidae, Olethreutinae, Olethreutini
Aproaerema         Gelechiidae, Gelechiinae
Archimeessia       Tineidae
Archippus          Tortricidae, Tortricinae, Archipini
Archips            Tortricidae, Tortricinae, Archipini
Arctia             Arctiidae
Argolamprotes      Gelechiidae, Anomologinae
Argyresthia        Argyresthiidae
Argyrogramma       Noctuidae, Plusiinae
Argyroploce        Tortricidae, Olethreutinae, Olethreutini
Argyrotaenia       Tortricidae, Tortricinae, Archipini
Arotrophora        Tortricidae, Tortricinae, Cnephasiini
Ascotis            Geometridae, Ennominae
Aspilapteryx       Gracillariidae, Gracillariinae
Asthenoptycha      Tortricidae, Tortricinae, Epitymbiini
Aterpia            Tortricidae, Olethreutinae, Olethreutini
Atethmia           Noctuidae, Cuculliinae
Athetis            Noctuidae, Amphipyrinae
Atypha             Noctuidae, Amphipyrinae
Augasma            Coleophoridae
Autographa         Noctuidae, Plusiinae
Axylia             Noctuidae, Noctuinae