Alam, Muhammad Munir2008-11-202008-11-202008-11-20https://hdl.handle.net/2139/387enPlease contact the West Indiana Division at the University of the West Indies,St.Augustine in order to view the full thesis. Contact: wimail@sta.uwi.eduAleyrodidae -- Biological controlCabbage looper -- JamaicaPlutellidae -- Biological control -- JamaicaTrichoplusia -- Biological control -- JamaicaCruciferae -- Diseases and pests -- Biological control -- JamaicaFluctuation in the populations of Plutella xylostella, Trichoplusia Ni, Bemisia Tabaci and their natural enemies in JamaicaThesis