+Department of Zoology, Osmania University, Hyderabad, India
++Nematology Laboratory, Plant Protection Institute, Agricultural Research Centre, Beltsville, Maryland, 20705, U.S.A
A parasitic nematode, Howardula aptini is reported from India, parasitising a new host the thrip Magaluriothrips sp. a pest of leguminous crops. Details of morphology, percentage of infection of the host and seasonal incidence are given. The life history, biology of the parasite and the damage caused to its host are described, usefulness of the parasite as biological control agent is suggested.