From 1991 to 1993,the samples of pineapple roots and rhizosphere soil from themain production areas in Guangdong province were collected and isolated.Twenty-two species in 19 genera were identified.Among them,the genera Miculenchusand Ottolenchus and Ottolenchus cylindricus etc 8 species were firstly reported inChina. And 16 genera with 22 species including Rhabdotylenchus guangdongensis,HoPlolaimus indicus,Ditylenchus geraerti,Pratylenchus brachyurus,Rotylenchulusreniformis,Aphelenchoides curiolis,Paratrichodorus pachydermus etc,are newrecords in pineapples in China.