Two new quill mite species (Prostigmata: Syringophilidae) parasitizing Australian birds Glowska, Eliza Laniecka, Izabella Zootaxa 2013 3670 3 385 390 8TF7P [151,470,1833,1858] Arachnida Syringophilidae Megasyringophilus GBIF Animalia Trombidiformes 1 386 Arthropoda species cacatua sp. nov.    Typematerial.Female holotypeand male paratypefrom  Cacatuagalerita(Latham) ( Psittaciformes: Psittacidae),  AUSTRALIA: Mount Hart, 10 September 1976, coll. Kimberley Expedition.   Typedeposition. Holotypeand paratypeare deposited in the Biozentrum Grindel und Zoologisches Museum Hamburg in the University of Hamburg, Germany.   Etymology.The name  cacatuarefers to the generic name of the host.  Differential diagnosis.This new species  Megasyringophilus cacatua  sp. nov.is morphologically similar to  M. platycercusBochkov and Faindescribed from  Platycercuseximius(Shaw) ( Psittaciformes: Psittacidae) ( Bochkov & Fain 2003). Females of both species have claws of legs III–IV without basal angle and stylophore constricted posteriorly. Females of  M. cacatua  sp. nov.are distinguishable from  M. platycercusby the length ratio of setae vi: ve1:5, g2:ag11:2, and by the presence of the hysteronotal shield. In females of  M. platycercus, thelength ratio of setae vi:veis 1:2.3, g2,and ag1are subequal in the length and the hysteronotal shield is absent.