AbstractThis paper focuses on the parasitic nematodes of citrus, Tylenchulus semipenetrans, Radopholus similis, R. citri, Pratylenchus sp., Belonolaimus longicaudatus, Meloidogyne sp., Xiphinema sp., Trichodorus sp., Paratrichodorus sp., Hemicycliophora sp. and Caloosia sp. Their symptoms, biology and ecology, economic importance, management measures are discussed.