Our study is based on oribatid mite materials collected from the Dipterocarpus alatus, Haldina cardifolia and Ochrocarpos siamensis tree species in Cat Tien National Park, southern Vietnam. A list of identified taxa includes 44 species/subspecies 31 genera 22 families. Of these, seven are recorded for first time Vietnam, two Oriental region. Sixteen mites were boles, 36 species, crowns. The Jac...