Machilidae, Familia
Machimus, Genus
Macroglossinae, Subfamilia
Macroglossum, Genus
Macropis, Genus
Maculinea, Genus
Malachiidae, Familia
Malacosoma, Genus
Mandibulata, Phylum
Maniola, Genus
Maniolini, Tribus
Mantidae, Familia
Mantinae, Subfamilia
Mantis, Genus
Mantispa, Genus
Mantispidae, Familia
Mantodea, Ordo
Margarodidae, Familia
Masarinae, Subfamilia
Meconema, Genus
Meconominae, Subfamilia
Mecoptera, Ordo
Megachile, Genus
Megachilinae, Subfamilia
Megadontoidea, Superfamilia
Megadontoidea, Superfamilia
Megaloptera, Ordo
Melanargia, Genus
Melanargiini, Tribus
Melanoplus, Genus
Melasina, Genus
Melecta, Genus
Meliscaeva, Genus
Melitaea, Genus
Melitaeini, Tribus
Melitta, Genus
Melittinae, Subfamilia
Mellinus, Genus
Meloe, Genus
Meloidae, Familia
Melolontha, Genus
Membracidae, Familia
Mesembrina, Genus
Mesopsocidae, Familia
Mesopsocus, Genus
Mesovelia, Genus
Mesoveliidae, Familia
Messor, Genus
Metaxypleona, Ordo
Methocha, Genus
Metrioptera, Genus
Microdon, Genus
Microgasterinae, Subfamilia
Micropterigidae, Familia
Micropterix, Genus
Microvelia, Genus
Microveliidae, Familia
Mikiola, Genus
Mimas, Genus
Minois, Genus
Miramella, Genus
Miridae, Familia
Miscophus, Genus
Molannidae, Familia
Molorchini, Tribus
Molorchus, Genus
Monochamini, Tribus
Monochamus, Genus
Monotrysia, Subordo
Monotylota, Genus
Mormo, Genus
Musca, Genus
Muscidae, Familia
Mutilla, Genus
Mutillidae, Familia
Mylabris, Genus
Mymecophilus, Genus
Myopa, Genus
Myrmeleon, Genus
Myrmeleonidae, Familia
Myrmeleotettix, Genus
Myrmica, Genus
Myrmicinae, Subfamilia
Myrmus, Genus
Mystacides, Genus