Two new and a newly recorded species of the genus Pergalumna (Acari, Oribatida, Galumnidae) from China

Two new species, Pergalumna clava n. sp. and Pergalumna pilosus n. sp., and a newly recorded species, Pergalumna amamiensis Aoki, 1984 of oribatid mites are described and illustrated from China. Pergalumna clava n. sp. is different from most known species of Pergalumna in the dorsosejugal suture complete; developed four pairs notogastral porose areas, Aa transverse irregular wedge; short interlamellar seta and bothridial seta clavate. Pergalumna pilosus n.sp. different from most known species of Pergalumna in the dorsosejugal suture complete; Aa porose area transverse irregular wedge; longer interlamellar barbed; median pore and postanal porose area present.