• Woolly apple aphid

  females of the woolly aphid are 1.2-2.6 mm long, purplish brown and covered by masses of white, mealy wax. The siphunculi are pore-like and the cauda is [...] which crawl or are blown by the wind from tree to tree. Sometimes a few winged aphids are produced in summer. Winged egg-laying females are produced in early [...] to year of the woolly aphid depends entirely on wingless, parthenogenetic and viviparous forms. Sometimes a few wingless egg-laying females are produced

• Red plum maggot

  symptoms The mines produced in the fruit quickly become brownish and the flesh in the area near the stone is eaten and converted into a mass of wet brown [...] Droplets of dried up gum can be seen at the entry holes. Life cycle and appearance of Red plum maggot The adults of Cydia funebrana have a wingspan of 11-15 [...] 11-15 mm. The forewings are dull purplish grey, with darker, obscure markings, and irregularly suffused with ash-grey; the hindwings are brownish grey. Eggs

• Codling moth

  invading the fruit, the larvae first form a small cavity just under the skin. The entry hole can be seen and is usually plugged by dry frass. The larva then [...] burrows towards the core and eats a large proportion of the flesh, leaving behind brown frass. The entry point is then greatly enlarged as the tissue beneath [...] black ocellus on the hind part. The hindwings are brown. The eggs are about 1.3 x 1.0 mm, and whitish opalescent when laid. Later, the developing embryo

• Flatheaded woodborer

  their eggs close to the base of the tree stem. The newly emerged larvae are able to locate the roots at distances of 60 cm from the hatching site. They penetrate [...] sufficient to kill a young tree, whereas a few may cause the death of an adult tree. Adults feed on the bark of shoots and smaller branches. Tree mortality [...] which are initially small but become larger as the larvae grow, and leave behind compressed frass. The favoured pupation site is at the base of the stem

• Box tree moth

  Damage symptoms The larvae of the box tree moth ( Cydalima perspectalis ) feed on the leaves of box trees, but can also attack the bark of the trees, causing [...] lines at the beginning of pupation and then turn light brown with a dark pattern towards the end of pupation. There are two variants of adults. The most common [...] can lead to the death of the tree. As the tree is extensively traded within Europe, the box tree moth ( Cydalima perspectalis ) poses a serious threat

• Carnation tortrix

  (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 to [...] General The carnation tortrix ( Cacoecimorpha pronubana ) is a Mediterranean species belonging to the family of Tortricidae . It occurs in the Middle East [...] silken mass. The larvae hide inside the rolled leaves, growing tips or flowers that have been spun together. The feeding caterpillars of the carnation tortrix

• Amblyseius andersoni

  often in the axil of veins. They are oval, white and are approximately 0.14 mm in diameter. The larvae have six legs, are the same colour as the eggs, and [...] into nymphs. The nymphs are larger than the larvae, have eight legs, and are a whitish yellow colour. Adult mites have eight legs, are a translucent white [...] mites. Eggs are oblong and transparent white. Adults are about 0.5 mm in size. Predatory mites are usually found on the lower surface of the leaves, often

• Goat moth

  larvae bore into the bark and down to the sap wood. Development takes 3 or 4 years. The larvae feed on the wood most of the time hibernating in their galleries [...] galleries are very extensive and the larvae burrow in all directions in both sap and hart wood. Attacks are usually confined to the trunk of mature tress [...] from the bark of attacked trees. The larvae emit an unpleasant goat-like smell. Trees eventually die. Life cycle and appearance of Goat moth The wingspan

• General Conditions Koppert

  cover damage as a result of loss of harvest, crop damage and/or damage due to deterioration of the structure of the soil. The payments of damages claimed [...] any circumstance beyond the control of the parties F as a result of which the compliance with and/or timely performance of the agreement can no longer [...] T of any damages suffered in any manner as a result of late delivery, excepting in cases of intent or gross negligence on the part of Koppert. The Buyer

• Black sigatoka disease

  conidia. The ascospores are wind-dispersed over longer distances, the conidia are splash-dispersed within the crop. Both types of spores cause the exact same [...] one month old. The symptoms run parallel to the veins. Within a few days, the spots become a few centimetres in size and turn brown with light grey centres [...] leaves may die within a few weeks. Because of the lack of leaf tissues, fruit maturity is hampered. Life cycle and appearance of Black sigatoka disease