Meloidogyne (Nématode à galles des racines)
Melanaphis pyrarius - Geoktapia pyrarius - Aphis pyrastri Boisduval - Melanaphis pyraria (Puceron brun du poirier)
Mengea tertiaria
Megacephala carolina
Mastax
Mastax albonotata
Mastax alternans
Mastax annulata
Mastax brittoni
Mastax burgeoni
Mastax Carissima
Mastax confusa
Mastax congoensis
Mastax elegantula
Mastax euanthes
Mastax extrema
Mastax en Floride
Mastax Formosana
Mastax forteculpta
Mastax fulvonotata
Mastax gestroi
Mastax Hargreavesi
Mastax histrio
Mastax Humilis
Mastax Kivuensis
Mastax Klapperichi
Mastax Kulti
Mastax laeviceps
Mastax latefasciata
Mastax liebkei
Mastax louwerensi
Mastax Moesta
Mastax nana
Mastax nepalensis
Mastax okavango
Mastax ornata
Mastax ornatella
Mastax pakistana
Mastax parreyssi
Mastax philippina
Mastax poecila
Mastax pulchella
Mastax pygmaea
Mastax Raffrayi
Mastax Rawalpindi
Mastax royi
Mastax rugiceps
Mastax saganicola
Mastax senegalensis
Mastax striaticeps
Mastax subornatella
Mastax tessmanni
Mastax Thermarum
Mastax tratorius
Mastax vegeta
Mecyclothorax
Marellia remipes
Mastax sudanica
Meloidogyne incognita
Meloidogyne hapla
Musca domestica - Mouche domestique.