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wingless and immobile, and covered with a hard scale (armoured scales and soft scales) or with waxy threads (mealybugs). They suck the sap of plants a…
increased transpiration and reduced plant growth. As damage increases whole leaves turn yellow, and as more cell sap is removed, the leaf, and…
citrus. Life cycle and appearance of Oleander scale Adult oleander scales are a greyish, dirty white or yellowy colour, round in shape, with a scale…
always pink or red. They appear matt, never glossy. Winged individuals have a brown-black head and thorax and a reddish abdomen. There is a dark brown…
yellow and the abdomen mainly yellowish orange with 2 silvery crossbands. The wings are clear with black veins and marked with black spots and…
can produce 100-150 young over a period of six to eight weeks, at a rate of one to three a day. The crawlers are mobile and very small, so they are…
types of fruit and forest trees, and ornamental shrubs and trees. Damage is mostly caused by sap depletion; the shoots dry up and die, and defoliation…
growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation. The overall effect is a reduction of photosynthesis an…
eggs in clusters of 150-200 and can lay up to 2000 eggs in a lifetime. Eggs are white, pinkish or light green and spherical, and are usually laid on…
With a serious infestation the leaves themselves can shrivel, and there can be varying levels of fruit damage depending on the species of thrips and…
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