In A, 1-day-old eggs treated with neem oil (1%) after 9 days; they showed changes in their development. In B-C, 4-day-old eggs treated with neem oil (1%) after 9 days. In D-E, 2-day-old eggs treated with neem oil (2%), with abnormalities in hatched caterpillars, F shows caterpillars with slight melanisation and lack of cephalic capsule. G, shows the reduced length of body, colouring of the darkened body, and a slight increase in the cephalic region. H, shows caterpillars with greater body length and intense melanisation (bar: 3 mm).
