Protocols for purification and identification of the virus are given. The symptoms of the disease in Groundnut are illustrated. Procedures for a simple enzyme-linked immunosorbent assay for the detection of the virus are given. A key is provided as an aid in identifying seven thrips species that have been implicated as vectors of tomato spotted wilt virus on groundnut. The current situation concerning Management of bud necrosis disease is outlined. Suitable insecticides, cultural practices, biological control, and host-plant resistance are discussed.