Abstract
The development, reproductive performance, and population dynamics of fall army worm Spodoptera frugiperda (J E Smith) on different host plants were evaluated under laboratory conditions. The egg masses were collected from maize fields and kept in laboratory for incubation. The first instar larvae were shifted on to maize, soybean, cotton leaves, and artificial diet. The duration of larval period, pupal period, adult longevity and the total life cycle was recorded. The results revealed that larvae reared on artificial diet exhibited shorter larval and pupal periods with less adult longevity compared to those reared on maize, soybean, and cotton. Additionally, fecundity was highest among individuals reared on artificial diet, followed by maize, soybean, and cotton.
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