the black dots of their excreta indicate their presence in the crop. At a later stage, the empty cells become desiccated and the adjacent cells turn…
Young caterpillars are yellowish-white to reddish-brown with dark spots. In later instars the head is mottled, and the body is marked with three…
leaves are slightly curled and acquire a silvery sheen on the underside. Later they become brown and brittle. Badly affected tomato leaves and stems…
become steadily darker. Just before hatching, which occurs about a week later, the young larva is visible within the egg. The full-grown caterpillars…
diamond back moth (Plutella xylostella) are initially yellow or pale green and later darken. They are deposited singly or in small groups of two or…
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