three pairs of prolegs, instead of the normal five and therefore the caterpillar moves with the same looping motion as an inchworm (geometrid). The…
before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species o…
biological control. The predatory gall midge Feltiella acarisuga is used for the control of the following pests: Spider mites Some of the common…
period of 2 to 3 months. After leaving the egg sac, the crawlers settle along the midribs and veins of the leaves. The next two instars migrate to the…
true cocoon in the mine. The percentage of larvae which spin true cocoons increases in each of the subsequent generations. Adults of the first…
nigrum. Life cycle and appearance of Tomato leafminer The female moth of the tomato leaf miner ( Tuta absoluta ) lays about 260 eggs. The eggs of the…
show signs of wilting during the day which may disappear in the early stages of infection. Under conditions favourable for the bacteria, the whole…
cinerea ) is part of the foot rot complex, which causes rotting of the foot and may cause death of the plants. In cucumber and tomato the fungus…
found on the oldest leaves. The adult emerges from the pupa via a T-shaped fissure. The adult whiteflies can usually be found in the top of the plant…
(with a dark brown band in the females and two red bands in the males) and the hindwings (bright orange) ensure that the moths of the species are easy…
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