opalescent when laid. Later, the developing embryo is visible as a red ring. The larvae are up to 20 mm long, initially whitish and later pale pinkish…
ferrugineus ) presence and only later stages of attack are conspicuous. However, the damage done before these later stages when detection becomes…
are laid in May or June in groups in the soil. They hatch about one month later and the larvae start to feed on roots. The larvae (‘wireworms’) are…
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…
yellowish when hatching with a dark head capsule and prothoracic shield, later they become earth-brown to dingy grey. They are about 1.5 mm long just…
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…
developing a greyish colour and a black cephalic capsule in the first stage, but later adopting a variety of colours such as green, brown, pink, and…
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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