The tobacco caterpillar, Spodoptera litura (Fabricius) is regular polyphagous pest of field and horticultural crops and is distributed throughout Asia, from North Africa to Japan, Australia and New Zealand the eastern part of the world.It infests more than 112 crop plants belonging to 44 families in the world, of which 40 cultivated plants as well as 24 wild plants are known from India.This pest has become devastating because of its features such as polyphagous nature, high reproductive potential, overlapping generations, year round availability of host plants, ability of adults to migrate...