on the lower portion of plants. When newly laid they are creamy white but turn to a patchy yellow as they age. The mites have two nymphal stages:…
the corn earworm The eggs of corn earworm are a milky-white colour, which turn dark grey before hatching, and have a ribbed spherical shape. The…
parts of the stem. Gerbera flowers deform and discolour with the leaves turning bronze, mainly along the midrib. Even a mild infestation can cause…
ground. The pupae are approximately 2 cm long and a glossy brown colour, turning black shortly before the adult moth emerges. Damage symptoms Large…
of the tomato pinworm The eggs are whitish in colour to start with, then turn brown or orange as they develop and can be found on the underside of the
retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a reduction in…
hindwings are narrow, pointed toward the apex. The tips of the wings appear to turn upward slightly when viewed from the side. In males, the upper…
d on the underside near the leaf stalk, which tends to cause the leaf to turn brown and curl up. A typical indication of an attack of broad mite ( Pol
transpiration and reduced plant growth. As damage increases, whole leaves turn yellow, and as more cell sap is removed, the leaf, and eventually the…
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