In this investigation,
the occurrence of the most damaging species, R. similis
and H. oryzicola were not detected in West Bengal. Similar
investigations were undertaken in the All India Coordinated
Research Project on plant parasitic nematodes from
the Hooghly, 24-Pargonas (North) and Nadia districts of
West Bengal but the nematode species were not encountered
(Anonymous 2000b).