| abstract | A new oribatid mite species of the family Oppiidae, Multioppia (Multioppia) biciliata sp. n. is described from Arak, Markazi province, central-western Iran. The new species is characterized by the rounded rostrum; strongly elbowed rostral setae; long sensilli with oblong head, dilated unilaterally, ciliated bilaterally with 15-16 long cilia on outer and 8 short cilia on inner edge; long, thick and bilaterally ciliate notogastral setae; smooth genital and ciliate epimeral, aggenital, anal and adanal setae. An identification key to Iranian species of Multioppia is presented. |