New Species of Oribatid Mites of the Families Parakalummidae and Galumnidae (Acari: Oribatida) from Xiao Hinggan Mountains, Northeastern China

Abstract. Two new species of oribatid mites, Sandenia (Porokalumma) elongata sp. nov. (Parakalummidae) and Pergalumna distincta sp. nov. (Galumnidae), are described and illustrated from Xiao Hinggan Mountains in Northeastern China.